MISC - TOYOTA Yoshitaka
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Clarification of the Mechanism of Unintentional Radiated Emissions from Unshielded Twisted Pair Cables
五十嵐俊, 宮脇大輔, 山岸傑, 桑山一郎, 五百旗頭健吾, 豊田啓孝
住友電工テクニカルレビュー(Web) ( 204 ) 2024
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EM/circuit Co-simulation of Mode Conversion due to Continuous Imbalance-factor Change in a Three-conductor Transmission Line System
河野一斗, 金尾奨, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告(Web) 124 ( 10(EMCJ2024 1-6) ) 2024
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Suppression of LC Resonance by Applying RL Snubber to Brush Motor Drive System Including Low-side Switch Circuit
菅翔平, XU Zhenhong, 増野彰人, 五百旗頭健吾, 豊田啓孝
電子情報通信学会大会講演論文集(CD-ROM) 2023 2023
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Electromagnetic Information Leakage in Common Mode from Printed Circuit Boards-Validation of Dominant Occurrence Mechanism in SASEBO-G-
下田洸平, 日室雅貴, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告(Web) 123 ( 125(EMCJ2023 29-34) ) 2023
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Tolerance Evaluation Cost Reduction of Deep-Learning-Based Side-Channel Attack Using Signal-to-Noise Ratio of Leakage Traces
坂上達哉, 日室雅貴, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告(Web) 123 ( 129(ISEC2023 14-53) ) 2023
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Common-Mode Radiated Emission Analysis of Cable-Connected Printed Boards with Adjacent Metal Chassis by Imbalance Difference Model
Iokibe Kengo, Nomura Takeshi, Takatsu Hiroaki, Tsujimoto Takahiro, Toyota Yoshitaka
Transactions of the Japan Institute of Electronics Packaging (Web) 16 2023
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Effective conductivity of CFRP in GHz frequency band and its effect on common-mode noise
五十嵐俊, 山岸傑, 桑山一郎, 五百旗頭健吾, 豊田啓孝
電子情報通信学会大会講演論文集(CD-ROM) 2023 2023
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Yoshitaka Toyota
Journal of The Japan Institute of Electronics Packaging 25 ( 6 ) 535 - 538 2022.9
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Common-Mode Emission Simulation of Communication System with Adjacent Metal Chassis Based on Imbalance Difference Model
Iokibe Kengo, Toyota Yoshitaka
Journal of The Japan Institute of Electronics Packaging 25 ( 5 ) 439 - 445 2022.8
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コモンモードシミュレーションを用いたEMC設計のための支配的なノイズ源の特定—Identification of Dominant Noise Sources of Radiated Disturbance for EMC Design Using Common-mode Simulation
辻本 隆浩, 髙津 宏明, 野村 毅, 五百旗頭 健吾, 川島 渉, 豊田 啓孝
Konica Minolta technology report 19 57 - 62 2022.1
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Imaging of Magnetic Field Absorption by a Coil using an Optical Magnetometer
田中拓充, 田上周路, 豊田啓孝
応用物理学会春季学術講演会講演予稿集(CD-ROM) 69th 2022
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Waveform and Spectrum Analysis for Board Design -Basics and Applications-
豊田啓孝, 住永伸
エレクトロニクス実装学会誌 25 ( 5 ) 2022
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Imaging of AC magnetic field distribution using an optical magnetometer-Magnetic field measurement generated form an induction coil-
田上周路, 田中拓充, 豊田啓孝
電子情報通信学会技術研究報告(Web) 122 ( 67(EMCJ2022 14-27) ) 2022
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A Study for Predicting Correlation Power Analysis Results by Using High-SNR Plaintexts Selected Based on Linear Leakage Model
日室雅貴, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告(Web) 122 ( 122(ISEC2022 7-29) ) 2022
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Current Issues and Future Visions of System Design
豊田啓孝
エレクトロニクス実装学会誌 25 ( 1 ) 2022
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Evaluation of Mode Conversion Due to Imbalance Difference Using Co-simulation of Full-wave and Circuit Analyses
金尾奨, 岩崎浩明, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告(Web) 122 ( 4(EMCJ2022 1-7) ) 2022
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Determination of Circuit Element Constant Ranges by Set-based Design for EMI Filters in Brush Motor Circuits Containing Cables
菅翔平, XU Zhenhong, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告(Web) 122 ( 111(EMCJ2022 28-33) ) 2022
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Experimental Verification of Common-Mode Generation due to Cable Connections with Different Balances and their Suppression by Common-Mode Choke Coils
木村直紀, 金尾奨, 五百旗頭健吾, 豊田啓孝
電気・情報関連学会中国支部連合大会講演論文集(CD-ROM) 73rd 2022
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Parameter Identification of Noise Source Equivalent Circuit Model of Brush Motor Considering Temperature Dependence and Conducted Emission Prediction
菅翔平, 上本篤志, XU Zhenhong, 五百旗頭健吾, 豊田啓孝
電子情報通信学会大会講演論文集(CD-ROM) 2021 2021
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Abnormal Position Detection in Wire Network by Applying k-Nearest Neighbor Algorithm to Sequence Time Domain Reflectometry
亀山大樹, 安原朝陽, 五百旗頭健吾, 豊田啓孝
電子情報通信学会大会講演論文集(CD-ROM) 2021 2021
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Time-Frequency Domain Correlation Power Analysis for Side-Channel Attack Resistance Evaluation of Practical Modules
日室雅貴, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告(Web) 121 ( 6(EMCJ2021 1-6) ) 2021
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Evaluation of Unintentional Radiated Emissions from Unshielded Twist Pair Cable
五十嵐俊, 宮脇大輔, 山岸傑, 桑山一郎, 五百旗頭健吾, 豊田啓孝
電子情報通信学会大会講演論文集(CD-ROM) 2021 2021
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Investigation of Applicable Range of Conducted Disturbance Prediction Using Noise-source Equivalent-circuit Model of DC/DC Converter
大原未緒, ZHANG Shuqi, 五百旗頭健吾, 豊田啓孝
電気・情報関連学会中国支部連合大会講演論文集(CD-ROM) 72nd 2021
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Parameter Identification of Noise-Source Equivalent-Circuit Model of Brush Motor Considering Temperature Dependence and Conducted-Emission Prediction
XU Zhenhong, 菅翔平, 五百旗頭健吾, 豊田啓孝
電気・情報関連学会中国支部連合大会講演論文集(CD-ROM) 72nd 2021
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Investigation of Configuration Parameters in Sequence Time Domain Reflectometry for Detection Sensitivity Improvement-Rectangular Pulse Case-
羽村花音, 亀山大樹, 五百旗頭健吾, 豊田啓孝
電気・情報関連学会中国支部連合大会講演論文集(CD-ROM) 72nd 2021
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Evaluation of Unintended Electromagnetic Radiation in Power bus Resonance Suppression by Multiple Lossy Resonator Filters
児玉秀平, 金尾奨, 五百旗頭健吾, 豊田啓孝
電気・情報関連学会中国支部連合大会講演論文集(CD-ROM) 72nd 2021
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2020 ( 57 ) 49 - 54 2020.12
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2020 ( 184 ) 49 - 54 2020.12
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2020 ( 1 ) 23 - 28 2020.1
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Parameter Identification of Noise-source Equivalent-circuit Model Focusing on Turn-on/Turn-off Timing of DC/DC Converter and Evaluation of Conducted Disturbance Measurement
上松大志, ZHANG Shuqi, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告(Web) 120 ( 282(EMCJ2020 55-63) ) 2020
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Examination of Requirements for Power Side-Channel Attack Resistance Evaluation Boards of Cryptographic Integrated Circuits-Contribution of PDN Transfer Impedance to Leakage Strength-
菅智信, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告(Web) 120 ( 211(HWS2020 25-41) ) 2020
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A Study for Predicting Power Side-Channel Attack Countermeasure Effect by PDN Decoupling Based on Transfer Impedance
五百旗頭健吾, 矢野佑典, 豊田啓孝
電子情報通信学会技術研究報告 119 ( 387(EMCJ2019 81-91)(Web) ) 2020
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Suppression of Mode Conversion Using Asymmetric Differential-Transmission Lines for Dense Parallel Traces
竹内智哉, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告(Web) 120 ( 20(EMCJ2020 5-10) ) 2020
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Simple Model of Connector to Estimate Current Division Factor for Common-mode Radiation Simulation
豊田啓孝, 金尾奨, 佐田野勝水, 五百旗頭健吾
エレクトロニクス実装学会講演大会講演論文集(CD-ROM) 34th 2020
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AC magnetic field distribution measurement with optical magnetometer and ghost imaging technique
田上周路, 田中拓充, 豊田啓孝
Optics & Photonics Japan講演予稿集(CD-ROM) 2020 2020
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119 ( 134 ) 19 - 24 2019.7
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Preliminary Study on Modeling of Noise Current and Electromagnetic Radiation for EMI Evaluation of Movable Device with Brush Motors
上本篤志, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告 119 ( 134(EMD2019 11-16) ) 2019
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Intensity and Phase Estimation of Far-Field Emission of Individual ICs by Using Noise Source Amplitude Modulation Technique
五百旗頭健吾, 吉野慎平, 矢野佑典, 豊田啓孝
電子情報通信学会技術研究報告 119 ( 20(EMCJ2019 13-17)(Web) ) 2019
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Improvement of Prediction Accuracy by Improving Parameters Extraction in 2-port Noise-source Equivalent Circuit Model of DC/DC Converter
大崎悠平, 矢野佑典, 上松大志, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告 118 ( 406(EMCJ2018 100-106)(Web) ) 2019
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PSD手法を用いたビアレス・オープンスタブ型EBG構造の設計
金尾奨, 奥山友貴, 五百旗頭健吾, 豊田啓孝
電子情報通信学会大会講演論文集(CD-ROM) 2019 2019
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周期構造を有する隣接差動線路間のディファレンシャルモードクロストークの低減メカニズム
WANG Chenyu, 竹田大晃, 五百旗頭健吾, 豊田啓孝
電子情報通信学会大会講演論文集(CD-ROM) 2019 2019
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Improvement of Robustness by Normalization of Design Parameters in PSD Method-The Case of Vialess Open-stub EBG Structure-
金尾奨, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告 119 ( 124(EMCJ2019 18-29)(Web) ) 2019
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A study on application of electromagnetic interference source estimation method to power electronics circuit by noise source amplitude modulation and correlation analysis
川島渉, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告 119 ( 124(EMCJ2019 18-29)(Web) ) 2019
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Prediction Accuracy in Conduction Disturbance Voltage of DC/DC Buck Converter Using Noise-source Equivalent-circuit Model
上松大志, 大崎悠平, 矢野佑典, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告 119 ( 1(EMCJ2019 1-12)(Web) ) 2019
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Takeda Hiroaki, Iokibe Kengo, Toyota Yoshitaka
電気学会研究会資料. EMC = The papers of technical meeting on electromagnetic compatibility, IEE Japan 2018 ( 48 ) 11 - 15 2018.11
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Takeda Hiroaki, Iokibe Kengo, Toyota Yoshitaka
電気学会研究会資料. MAG = The papers of technical meeting on magnetics, IEE Japan 2018 ( 120 ) 11 - 15 2018.11
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118 ( 272 ) 1 - 5 2018.10
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117 ( 510 ) 25 - 30 2018.3
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田上 周路, 豊田 啓孝, 藤森 和博, 深野 秀樹
電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 117 ( 384 ) 19 - 23 2018.1
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117 ( 384 ) 49 - 54 2018.1
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117 ( 384 ) 43 - 48 2018.1
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117 ( 384 ) 77 - 81 2018.1
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Analysis of Suppressing Mechanism of Power-bus Resonance Using Lossy Resonator Filter with Pi Equivalent Circuits
金尾奨, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告 118 ( 162(EMCJ2018 22-33)(Web) ) 2018
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差動伝送線路への周期構造導入によるクロストーク抑制
竹田大晃, 五百旗頭健吾, 豊田啓孝
電子情報通信学会論文誌 B(Web) J101-B ( 3 ) 2018
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ノイズ源振幅変調と相関解析に基づく放射源デバイス毎の電磁妨害波放射強度推定
吉野慎平, 石田千晶, 五百旗頭健吾, 豊田啓孝
エレクトロニクス実装学会講演大会講演論文集(CD-ROM) 32nd 2018
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Evaluation of Differential Skew Depending on Rotation Angle in Printed Circuit Board with Meshed Ground Plane
WANG Chenyu, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告 117 ( 510(EMCJ2017 105-112) ) 2018
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Determination of High Priority Countermeasures to Reduce Electromagnetic Interference by Using Noise Source Amplitude Modulation and Evaluation of its Effect
吉野慎平, 石田千晶, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告 117 ( 384(EMCJ2017 88-104) ) 2018
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Miniaturization of Planar EBG Structure with Dual Power Planes-Introduction of Thin Line into the Unit Cell for Increase in Inductance-
LIN Xingxiaoyu, 五百旗頭健吾, 豊田啓孝, 金子俊之
電子情報通信学会技術研究報告 117 ( 384(EMCJ2017 88-104) ) 2018
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Study on Signal-to-Noise Ratio Simulation of Side-Channel Traces Leaked from AES Circuit using EDA tool
手嶋俊彰, 矢野佑典, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告 118 ( 273(ICD2018 39-47) ) 2018
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Insertion of LC Resonator onto Cryptographic Module for Accelerated Evaluation of Side Channel Attack
河田直樹, 矢野佑典, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告 117 ( 384(EMCJ2017 88-104) ) 2018
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117 ( 319 ) 35 - 40 2017.11
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Crosstalk Suppression in Differential Transmission Lines with Periodic Structure
117 ( 1 ) 23 - 28 2017.4
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Parameter Identification of a Noise-source Linear Equivalent Circuit of DC-DC Converter
117 ( 1 ) 29 - 34 2017.4
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アルカリ金属を用いた交流磁界の光学検出―市販の磁界テスタとの比較と永久磁石を用いたプローブ化の検討―
田上周路, 篠原優, 豊田啓孝, 藤森和博, 深野秀樹
電子情報通信学会論文誌 B(Web) J100-B ( 3 ) 158‐165 (WEB ONLY) - 165 2017.3
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Evaluation of Unintended electromagnetic radiation from Myoelectric Artificial Hand
116 ( 399 ) 15 - 18 2017.1
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AC Magnetic Field Imaging by using Digital Micro-mirror Device Reviewed
Taue, Shuji, Toyota, Yoshitaka, Fujimori, Kazuhiro, Fukano, Hideki
2017 22ND MICROOPTICS CONFERENCE (MOC) 2017-November 212 - 213 2017
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損失を有する共振器型フィルタの設置位置による電源層間ノイズ抑制効果の評価と考察
金尾奨, 五百旗頭健吾, 豊田啓孝
電気・情報関連学会中国支部連合大会講演論文集(CD-ROM) 68th 2017
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ノイズ源変調に基づくノイズ源推定法の精度向上
石田千晶, 吉野慎平, 五百旗頭健吾, 豊田啓孝
電子情報通信学会大会講演論文集(CD-ROM) 2017 2017
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RLスナバを用いた同期整流降圧コンバータにおけるLC共振抑制
河田直樹, 矢野佑典, 五百旗頭健吾, 豊田啓孝
電子情報通信学会大会講演論文集(CD-ROM) 2017 2017
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Crosstalk Suppression in Differential Transmission Lines with Periodic Structure
竹田大晃, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告 117 ( 1(EMCJ2017 1-6) ) 2017
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Parameter Identification of a Noise-source Linear Equivalent Circuit of DC-DC Converter
大崎悠平, 矢野佑典, 五百旗頭健吾, 豊田啓孝
電子情報通信学会技術研究報告 117 ( 1(EMCJ2017 1-6) ) 2017
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振幅変調したスイッチング電流とEMI測定の相関係数に基づくノイズ源推定~電源ノイズ測定による原理検証~
石田千晶, 五百旗頭健吾, 豊田啓孝
エレクトロニクス実装学会講演大会講演論文集(CD-ROM) 31st 2017
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Effect of spatial nonuniformity of DC magnetic field on AC magnetic field detection with atomic magnetometer
田上 周路, 篠原 優, 豊田 啓孝, 藤森 和博, 深野 秀樹
電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 116 ( 320 ) 7 - 12 2016.11
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116 ( 255 ) 79 - 84 2016.10
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Miniaturization of a Planar EBG Structure by Using Double Power Plane
116 ( 223 ) 41 - 45 2016.9
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116 ( 26 ) 41 - 45 2016.5
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新・回路レベルのEMC設計(17)モード変換の表現可能な等価回路モデルを用いたノイズ解析
豊田 啓孝
EMC : electro magnetic compatibility : solution technology : 電磁環境工学情報 29 ( 1 ) 99 - 110 2016.5
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Miniaturization of Planar EBG Structure by Using Interdigital Electrodes
116 ( 4 ) 11 - 16 2016.4
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B-4-41 Optimization Method of On-board RL Snubber Parameters in Common Power Distribution Networks
Kawata Naoki, Yano Yuusuke, Iokibe Kengo, Toyota Yoshitaka
Proceedings of the IEICE General Conference 2016 ( 1 ) 361 - 361 2016.3
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B-4-61 A Study on Signal-to-Noise Ratio of Side-Channel Traces for Evaluation of Attacking Cost of Cryptographic Modules
Yano Yusuke, Iokibe Kengo, Toyota Yoshitaka
Proceedings of the IEICE General Conference 2016 ( 1 ) 381 - 381 2016.3
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Connector Model for Use in Common-Mode Antenna Model Used to Estimate Radiation from Printed Circuit Boards with Board-to-Board Connector
Yuri Wakaduki, Tetsushi Watanabe, Yoshitaka Toyota, Kengo Iokibe, Liuji R. Koga, Osami Wada
IEICE TRANSACTIONS ON COMMUNICATIONS E99B ( 3 ) 695 - 702 2016.3
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115 ( 427 ) 65 - 70 2016.1
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Suppression of mode conversion by installing bypass capacitor to power distribution network
Yoshitaka Toyota, Toshiki Mikura, Kengo Iokibe
IEEJ Transactions on Fundamentals and Materials 136 ( 1 ) 25 - 32 2016.1
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Analysis of side-channel information leaking behavior in cryptographic circuit using internal current source
Kengo Iokibe, Nobuhiro Tai, Hiroto Kagotani, Hiroyuki Onishi, Yoshitaka Toyota, Tetsushi Watanabe
IEEJ Transactions on Fundamentals and Materials 136 ( 6 ) 365 - 371 2016
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ディジタルICの電源供給回路網に付加するオンボードRLスナバの最適抵抗値決定式の導出
河田直樹, 吉野慎平, 矢野佑典, 五百旗頭健吾, 豊田啓孝
電気・情報関連学会中国支部連合大会講演論文集(CD-ROM) 67th 2016
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暗号回路におけるサイドチャネル情報漏洩挙動の内部電流源による分析
五百旗頭健吾, 田井伸拓, 籠谷裕人, 大西紘之, 豊田啓孝, 渡辺哲史
電気学会論文誌 A 136 ( 6 ) 2016
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近傍磁界分布測定を利用したサイドチャネル情報漏洩特性の分析
五百旗頭健吾, 矢野佑典, 豊田啓孝
電子情報通信学会大会講演論文集(CD-ROM) 2016 2016
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損失を有する共振器型フィルタ実用化のための複雑形状の電源/GND層間の共振抑制評価
久保輝真, 五百旗頭健吾, 豊田啓孝
電子情報通信学会大会講演論文集(CD-ROM) 2016 2016
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115 ( 309 ) 31 - 36 2015.11
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B-4-47 Optimization of On-board RL Snubber for Damping Resonance in Power Distribution Network for ICs
Iokibe Kengo, Kawata Naoki, Toyota Yoshitaka
Proceedings of the Society Conference of IEICE 2015 ( 1 ) 260 - 260 2015.8
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115 ( 131 ) 49 - 54 2015.7
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Suppression of Mode Conversion by Using Tightly Coupled Asymmetrically Tapered Bend in Differential Lines
Yoshitaka Toyota, Shohei Kan, Kengo Iokibe
IEICE TRANSACTIONS ON COMMUNICATIONS E98B ( 7 ) 1188 - 1195 2015.7
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115 ( 114 ) 29 - 32 2015.6
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115 ( 29 ) 7 - 12 2015.5
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115 ( 29 ) 43 - 48 2015.5
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B-4-63 Effect of Common-mode Characteristic Impedance on Signal Integrity in Differential Transmission Lines
Takariki Keita, Kan Shohei, Toyota Yoshitaka, Iokibe Kengo
Proceedings of the IEICE General Conference 2015 ( 1 ) 353 - 353 2015.2
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A Vialess Open-stub EBG Structure for Power-bus Noise Reduction
YAMASHITA Yuki, TOYOTA Yoshitaka, IOKIBE Kengo, KONDO Koichi, YOSHIDA Shigeyoshi, KANEKO Toshiyuki
IEICE technical report. Electromagnetic compatibility 114 ( 398 ) 57 - 62 2015.1
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Effect of Mg loading on the high-frequency tunability of Ba0.8Sr0.2TiO3 ceramics
Takashi Teranishi, Tsuyoshi Sogabe, Hidetaka Hayashi, Akira Kishimoto, Kengo Iokibe, Yoshitaka Toyota
JAPANESE JOURNAL OF APPLIED PHYSICS 54 ( 1 ) 11502-1-011502-6 2015.1
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線路接続部で生じるモード変換の等価回路モデル －モデルの妥当性とノイズ抑制に向けた検討－
豊田啓孝
電磁環境工学情報EMC 321 ( 9 ) 85 - 100 2015
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Miniaturization of a Planar EBG Structure Using Interdigital Electrodes
Yuki Yamashita, Yoshitaka Toyota, Kengo Iokibe, Koichi Kondo, Shigeyoshi Yoshida, Toshiyuki Kaneko
2015 IEEE ELECTRICAL DESIGN OF ADVANCED PACKAGING AND SYSTEMS SYMPOSIUM 39 - 42 2015
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Formulation of Mode Conversion in Differential Transmission Lines with Bend Discontinuity
Keita Takariki, Kengo Iokibe, Yoshitaka Toyota
2015 IEEE ELECTRICAL DESIGN OF ADVANCED PACKAGING AND SYSTEMS SYMPOSIUM 152 - 155 2015
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Electromagnetic Immunity Analysis Using Modal-equivalent Circuit in Cable Interconnection System
Yoshitaka Toyota, Kengo Iokibe, Liuji R. Koga
2015 ASIA-PACIFIC INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY (APEMC) 716 - 719 2015
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Conducted Disturbance Estimation of Power Converter Circuits Based on Linear Equivalent Circuit Model for EMI Filter Design
Hiroki Geshi, Kengo Iokibe, Yoshitaka Toyota, Tetsushi Watanabe, trial Technology Center of Okayama Pre
Eighth 2015 Korea-Japan Joint Conference on EMT/EMC/BE (KJJC-2015), P-11, Sendai, Japan 89 - 90 2015
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Optically Pumped Alkali-Meta Atomic Magnetometer using Permanent Magnets for AC Magnetic Field Detection
Shuji Taue, Masaru Shinohara, Takayuki Nagaoka, Yoshitaka Toyota, Kazuhiro Fujimori, Hideki Fukano
Eighth 2015 Korea-Japan Joint Conference on EMT/EMC/BE (KJJC-2015), P-15, Sendai, Japan 97 - 98 2015
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Security Simulation against Side-Channel Attacks on Advanced Encryption Standard Circuits Based on Equivalent Circuit Model
Kengo Iokibe, Kazuhiro Maeshima, Tetsushi Watanabe, Yoshitaka Toyota
2015 IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY (EMC) 224 - 229 2015
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Dependence of Power Distribution Network Impedance on Circuits Implemented in Field Programmable Gate Array
Nobuhiro Tai, Kengo Iokibe, Yoshitaka Toyota, Tetsushi Watanabe, trial Technology Center of Okayama Pre
Eighth 2015 Korea-Japan Joint Conference on EMT/EMC/BE (KJJC-2015), P-09, Sendai, Japan 85 - 86 2015
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サイドチャネル情報漏洩に寄与が大きいAES回路部の内部電流源に基づく検討
五百旗頭健吾, 田井伸拓, 大西紘之, 籠谷裕人, 豊田啓孝, 渡辺哲史
情報理論とその応用シンポジウム予稿集(CD-ROM) 38th 2015
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Flexibility of On-Board RL Snubber for PDN Resonance Damping in terms of Mount Location
IOKIBE Kengo, TOYOTA Yoshitaka
IEICE technical report. Electromagnetic compatibility 114 ( 381 ) 69 - 74 2014.12
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MIKURA Toshiki, TOYOTA Yoshitaka, IOKIBE Kengo
IEICE technical report. Electromagnetic compatibility 114 ( 214 ) 5 - 10 2014.9
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B-4-42 Fabrication of Tightly Coupled Asymmetrically Tapered Bend in Differential Transmission Lines and Its Evaluation in Mode-conversion Suppression
Kan Shohei, Toyota Yoshitaka, Iokibe Kengo
Proceedings of the Society Conference of IEICE 2014 ( 1 ) 269 - 269 2014.9
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TOYOTA Yoshitaka, IOKIBE Kengo, KONDO Koichi, YOSHIDA Shigeyoshi
IEICE technical report. Electromagnetic compatibility 114 ( 135 ) 7 - 12 2014.7
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MAESHIMA Kazuhiro, IOKIBE Kengo, WATANABE Tetsushi, TOYOTA Yoshitaka
IEICE technical report. Electromagnetic compatibility 114 ( 129 ) 31 - 36 2014.7
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TAI Nobuhiro, IOKIBE Kengo, KAGOTANI Hiroto, OONISHI Hiroyuki, MAESHIMA Kazuhito, TOYOTA Yoshitaka, WATANABE Tetsushi
IEICE technical report. Electromagnetic compatibility 114 ( 93 ) 13 - 18 2014.6
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WAKADUKI Yuri, TOYOTA Yoshitaka, IOKIBE Kengo, KOGA Liuji R., WATANABE Tetsusi
114 ( 69 ) 29 - 34 2014.5
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KAN Shohei, TOYOTA Yoshitaka, IOKIBE Kengo, WATANABE Tetsushi
IEICE technical report. Electromagnetic compatibility 113 ( 423 ) 27 - 32 2014.1
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Guard Trace with Periodic Structure Taking Signal Integrity into Account
Yoshitaka Toyota, Kengo Iokibe, Tetsushi Watanabe
2014 IEEE ELECTRICAL DESIGN OF ADVANCED PACKAGING & SYSTEMS SYMPOSIUM (EDAPS) 45 - 48 2014
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Power-bus Noise Reduction Using Ferrite-covered Open Stub in Printed Circuit Board
Yoshitaka Toyota
2014 IEEE CPMT SYMPOSIUM JAPAN (ICSJ) 79 - 82 2014
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Suppression of noise propagation between power and ground planes using ferrite-plated EBG structure
K. Kondo, S. Yoshida, Y. Toyota
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy 61 S299 - S302 2014
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Suppression of Mode Conversion by Decreasing Path Difference by using an Asymmetrically Tapered Bend in Differential Transmission Lines
Shohei Kan, Yoshitaka Toyota, Kengo Iokibe, Tetsushi Watanabe
2014 INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, TOKYO (EMC'14/TOKYO) 129 - 132 2014
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Analysis on Equivalent Current Source of AES-128 Circuit for HD Power Model Verification
Kengo Iokibe, Kazuhiro Maeshima, Hiroto Kagotani, Yasuvuki Nogami, Yoshitaka Toyota, Tetsushi Watanabe
2014 INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, TOKYO (EMC'14/TOKYO) 302 - 305 2014
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ディジタルIC電源供給回路へのRLスナバ適用による伝導性電磁雑音低減及び電源品質改善
五百旗頭健吾, 山縣亮介, 豊田啓孝
電子情報通信学会論文誌B J97-B ( 7 ) 497 - 506 2014
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Modal Equivalent Circuit of Bend Discontinuity in Differential Transmission Lines
Yoshitaka Toyota, Shohei Kan, Kengo Iokibe
2014 INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, TOKYO (EMC'14/TOKYO) 117 - 120 2014
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Ferrite-covered Open Stub as Lossy Resonator Filter for Suppressing Noise Propagation in Power Bus
Yoshitaka Toyota, Kengo Iokibe, Koichi Kondo, Shigeyoshi Yoshida
2014 INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY (EMC EUROPE) 765 - 769 2014
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Guard Trace with Periodic Structure for Reducing Common-mode Radiation and Maintaining Signal Integrity
Yuho Terai, Yoshitaka Toyota, Kengo Iokibe, Tetsushi Watanabe
2014 INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, TOKYO (EMC'14/TOKYO) 545 - 548 2014
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Suppression of noise propagation between power and ground planes using ferrite-plated EBG structure
K. Kondo, S. Yoshida, Y. Toyota
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy 61 ( S1 ) S299 - S302 2014
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Modal-equivalent-circuit Modeling of Bend Discontinuity of Differential Transmission Lines
TOYOTA Yoshitaka, KAN Shohei, IOKIBE Kengo, WATANABE Tetsushi
IEICE technical report. Electromagnetic compatibility 113 ( 310 ) 41 - 46 2013.11
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Application of LECCS Model to Predict on-Board Power Voltage Variation of FPGA
SHIMIZU Kana, IOKIBE Kengo, TOYOTA Yoshitaka, WATANABE Tetushi
IEICE technical report. Microwaves 113 ( 260 ) 163 - 168 2013.10
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Simulation of Side-Channel Attack at Board Level by Use of Equipment Circuit Model
Iokibe Kengo, Toyota Yoshitaka
Proceedings of the Society Conference of IEICE 2013 ( 1 ) "SS - 36"-"SS-37" 2013.9
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Design Method of On-Board RL Snubber Inserted in Power Distribution Network of Integrated Circuits
YAMAGATA Ryosuke, IOKIBE Kengo, TOYOTA Yoshitaka
IEICE technical report. Electromagnetic compatibility 113 ( 122 ) 39 - 43 2013.7
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TOYOTA Yoshitaka, IOKIBE Kengo, KONDO Koichi, YOSHIDA Shigeyoshi
IEICE technical report. Electromagnetic compatibility 113 ( 25 ) 25 - 30 2013.5
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Quantitative estimation of total EMI radiation with normal-mode and common-mode antenna models
WATANABE Tetsushi, WAKADUKI Yuri, TOYOTA Yoshitaka, IOKIBE Kengo
IEICE technical report. Electromagnetic compatibility 113 ( 2 ) 7 - 12 2013.4
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TERAI Yuho, TOYOTA Yoshitaka, IOKIBE Kengo, WATANABE Tetsushi
IEICE technical report. Electromagnetic compatibility 113 ( 2 ) 1 - 6 2013.4
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Noise Investigation of Cryptographic ICs for Side-Channel Analysis by Means of Equivalent Current Source Model : A Study with SASEBO-G
IOKIBE Kengo, AMANO Tetsuo, TOYOTA Yoshitaka, WATANABE Tetsushi
IEICE technical report. Electromagnetic compatibility 113 ( 2 ) 25 - 30 2013.4
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B-4-58 Identification of Equivalent Current Source of Cryptographic FPGA for Side-Channel Attack Simulations
Iokibe Kengo, Okamoto Kaoru, Amano Tetsuo, Toyota Yoshitaka, Watanabe Tetsushi
Proceedings of the IEICE General Conference 2013 ( 1 ) 403 - 403 2013.3
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B-4-36 Relationship of Mode Conversion with lmbalance Factor and Voltage Reflection Coefficient
NOBUNAGA Tatsuya, TOYOTA Yoshitaka, IOKIBE Kengo, KOGA Liuji R., WATANABE Tetsushi
Proceedings of the IEICE General Conference 2013 ( 1 ) 381 - 381 2013.3
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Optimization of Resistances in RL Snubbers for Power Distribution Network of Integrated Circuits
Ryosuke Yamagata, Kengo Iokibe, Yoshitaka Toyota
Proceedings of 2013 International Symposium on Electromagnetic Theory (EMTS 2013) 226 - 229 2013
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Equivalent circuit modeling of cryptographic integrated circuit for information security design
Kengo Iokibe, Tetsuo Amano, Kaoru Okamoto, Yoshitaka Toyota
IEEE Transactions on Electromagnetic Compatibility 55 ( 3 ) 581 - 588 2013
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Evaluation of Pigtail Termination of STP cable Using Modal Equivalent Circuit of Four-conductor Transmission Systems
Tatsuya Nobunaga, Yoshitaka Toyota, Kengo Iokibe, Liuji R. Koga, Tetsushi Watanabe
PROCEEDINGS OF 2013 URSI INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC THEORY (EMTS) 222 - 225 2013
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RF Noise Suppression by Lossy Filters in Power Distribution Network
Yoshitaka Toyota, Kengo Iokibe
Proceedings of IEEE CPMT Symposium Japan (ICSJ 2013) 2013
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Effect of EBG structure and ferrite film on power/ground layers for performance maintenance and noise suppression in wireless communication
Kenta Ishimura, Yoshitaka Toyota, Kengo Iokibe, Koichi Kondo, Shigeyoshi Yoshida
EDAPS 2013 - 2013 IEEE Electrical Design of Advanced Packaging Systems Symposium 217 - 220 2013
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Improvement of Linear Equivalent Circuit Model to Identify Simultaneous Switching Noise Current in Cryptographic Integrated Circuits
Kengo Iokibe, Tetsuo Amano, Kaoru Okamoto, Yoshitaka Toyota, Tetsushi Watanabe
2013 IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY (EMC) 834 - 839 2013
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Suppression of Power-bus Resonance by Lossy Resonator Filter Consisting of Open Stub and Magnetic Thin Film
Yoshitaka Toyota, Kengo Iokibe, Koichi Kondo, Shigeyoshi Yoshida, NEC TOKIN Corporatio
Proceedings of 2013 International Symposium on Electromagnetic Compatibility (EMC Europe 2013) 943 - 948 2013
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Electromagnetic Simulation of Printed Circuit Board Adjacent to Conductor Using Equivalent Model Focusing on Common-mode
Yuli Wakaduki, Yoshitaka Toyota, Kengo Iokibe, Ryuji Koga, Tetsushi Watanabe, strial Technology Center of Okayama Pre
Proceedings of 13th International Symposium on Electronics Packaging (ICEP2013) 707 - 712 2013
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モード等価回路を用いた非一様媒質中伝搬の回路シミュレーションとその適用範囲
瀬島孝太, 豊田啓孝, 五百旗頭健吾, 古賀隆治, 渡辺哲史, 岡山県工技セン
電子情報通信学会論文誌B J96-B ( 4 ) 389 - 397 2013
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Improvement of Linear Equivalent Circuit Model to Identify Simultaneous Switching Noise Current in Cryptographic Integrated Circuits
Kengo Iokibe, Tetsuo Amano, Kaoru Okamoto, Yoshitaka Toyota, Tetsushi Watanabe
2013 IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY (EMC) 834 - 839 2013
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新・回路レベルのEMC設計1 伝送系、システム系、CADから見た回路レベルEMC設計
浅井秀樹, 豊田啓孝, 佐々木伸一, 住永伸
電磁環境工学情報EMC 26 ( 4 ) 120 - 128 2013
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Mode Conversion Caused by Discontinuity in Transmission Line From Viewpoint of Imbalance Factor and Modal Characteristic Impedance
Yoshitaka Toyota, Kengo Iokibe, Liuji R. Koga
2013 IEEE ELECTRICAL DESIGN OF ADVANCED PACKAGING AND SYSTEMS SYMPOSIUM (EDAPS) 52 - 55 2013
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Estimation of Data-Dependent Power Voltage Variations of FPGA by Equivalent Circuit Modeling from On-Board Measurements
Kengo Iokibe, Yoshitaka Toyota
2013 9TH INTERNATIONAL WORKSHOP ON ELECTROMAGNETIC COMPATIBILITY OF INTEGRATED CIRCUITS (EMC COMPO 2013) 175 - 179 2013
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IOKIBE Kengo, AMANO Tetsuo, OKAMOTO Kaoru, TOYOTA Yoshitaka, WATANABE Tetsushi
IEICE technical report. Electromagnetic compatibility 112 ( 361 ) 87 - 94 2012.12
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TOYOTA Yoshitaka, WAKADUKI Yuli, IOKIBE Kengo, KOGA Liuji, WATANABE Tetsushi
IEICE technical report. Electromagnetic compatibility 112 ( 256 ) 43 - 48 2012.10
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B-4-50 Suppression of Power-bus Resonance by Quarter-wavelength Resonator with Loss
Mahmood Farhan Zaheed, Toyota Yoshitaka, Iokibe Kengo
Proceedings of the Society Conference of IEICE 2012 ( 1 ) 346 - 346 2012.8
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INOUE Shuhei, IOKIBE Kengo, TOYOTA Yoshitaka, WATANABE Tetsushi
IEICE technical report. Electromagnetic compatibility 112 ( 100 ) 17 - 22 2012.6
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RL Damper Circuit for Electoromagnetic Compatibility and Power Integrity of Integrated Circuits
YAMAGATA Ryosuke, YANO Yusuke, IOKIBE Kengo, TOYOTA Yoshitaka
IEICE technical report. Electromagnetic compatibility 112 ( 12 ) 43 - 48 2012.4
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B-4-10 Linear Equivalent Circuit Modeling of Power Converter Circuit for COnducted Disturbance Reduction Design
Ishiyama Naotaka, Inoue Shuhei, Iokibe Kengo, Toyota Yoshitaka, Watanabe Tetsushi
Proceedings of the IEICE General Conference 2012 ( 1 ) 340 - 340 2012.3
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B-4-29 Identification of Equivalent Current Source of Cryptographic Circuit by Means of LECCS Modeling Method
Okamoto Kaoru, Amano Tetsuo, Iokibe Kengo, Toyota Yoshitaka
Proceedings of the IEICE General Conference 2012 ( 1 ) 359 - 359 2012.3
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B-4-9 Construction of Dual-Port LISN for Linear Equivalent Circuit Modeling of Power Convert Circuit
Inoue Shuhei, Iokibe Kengo, Toyota Yoshitaka, Watanabe Tetsushi
Proceedings of the IEICE General Conference 2012 ( 1 ) 339 - 339 2012.3
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CS-6-6 Circuit Simulation with Modal Equivalent Circuit for Noise Suppression
Toyota Yoshitaka, Iokibe Kengo, Koga Liuji R.
Proceedings of the IEICE General Conference 2012 ( 1 ) "S - 25"-"S-26" 2012.3
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Measurement of IC Package Inductance with Transmission Line Embedded in Package
IOKIBE Kengo, TANIMICHI Ayumi, TOYOTA Yoshitaka
111 ( 412 ) 11 - 16 2012.1
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TOYOTA Yoshitaka, SEJIMA Kota, IOKIBE Kengo, KOGA Liuji R., WATANABE Tetsushi
IEICE technical report. Electromagnetic compatibility 111 ( 319 ) 19 - 24 2011.11
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Band elimination characteristics of EBG structure containing ferrite-plated films
KONDO Koichi, YOSHIDA Shigeyoshi, TOYOTA Yoshitaka
2011 ( 91 ) 59 - 62 2011.11
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Insertion of Dumping Resistor to Reduce RF IC-Power-Current Peak Caused by Resonance due to Parasitic Impedance
YANO Yusuke, IOKIBE Kengo, TOYOTA Yoshitaka
2011 ( 19 ) 29 - 34 2011.10
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21st 217 - 220 2011.9
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Measurement of Self-Inductance of IC Package with THRU Pattern Embedded Instead of Chip
TANIMICHI Ayumi, IOKIBE Kengo, TOYOTA Yoshitaka
IEICE technical report 111 ( 131 ) 31 - 36 2011.7
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Control and design of stopband by applying two stubs to open-stub EBG structure
NAGAO Atsushi, TOYOTA Yoshitaka, IOKIBE Kengo
IEICE technical report 111 ( 131 ) 91 - 96 2011.7
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SEJIMA Kota, TOYOTA Yoshitaka, IOKIBE Kengo, KOGA Liuji R., WATANABE Tetsushi
IEICE technical report 111 ( 66 ) 93 - 98 2011.5
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MAHMOOD Farhan Zaheed, TOYOTA Yoshitaka, IOKIBE Kengo, KONDO Koichi, YOSHIDA Shigeyoshi
IEICE technical report 111 ( 66 ) 75 - 80 2011.5
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AMANO Tetsuo, IOKIBE Kengo, TOYOTA Yoshitaka
IEICE technical report 111 ( 18 ) 19 - 24 2011.4
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B-4-39 On-Board Decoupling to Improve Tolerance of Cryptographic Board against Side-Channel Attacks
Iokibe Kengo, Toyota Yoshitaka
Proceedings of the IEICE General Conference 2011 ( 1 ) 352 - 352 2011.2
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B-4-40 Control of Stopband by Applying Two Stubs to Open-stub EBG Structure
Nagao Atsushi, Toyota Yoshitaka, Iokibe Kengo, Koga Liuji R.
Proceedings of the IEICE General Conference 353 - 353 2011
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TOYOTA Yoshitaka, WATANABE Tetsushi, IOKIBE Kengo, KOGA Ryuji
IEICE technical report 110 ( 300 ) 33 - 38 2010.11
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豊田 啓孝
山陽放送学術文化財団リポ-ト ( 54 ) 22 - 26 2010.10
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BI-2-3 Validation of Parasitic Couplings and Combination with IBIS for PI/SI Calculation in LECCS Model
Iokibe Kengo, Toyota Yoshitaka, Koga Ryuji, Oka Norimasa
Proceedings of the Society Conference of IEICE 2010 ( 1 ) "SS - 81"-"SS-82" 2010.8
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YANO Yusuke, IOKIBE Kengo, TOYOTA Yoshitaka, KOGA Ryuji
IEICE technical report 110 ( 125 ) 39 - 44 2010.7
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Calculation of Common-Mode Radiation from Single-Channel Differential Signaling System Using Imbalance Difference Model
Tohlu Matsushima, Tetsushi Watanabe, Yoshitaka Toyota, Ryuji Koga, Osami Wada
IEICE TRANSACTIONS ON COMMUNICATIONS E93B ( 7 ) 1739 - 1745 2010.7
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Suppression of Guard-Trace Resonance by Matched Termination for Reducing Common-Mode Radiation
Tetsushi Watanabe, Tohlu Matsushima, Yoshitaka Toyota, Osami Wada, Ryuji Koga
IEICE TRANSACTIONS ON COMMUNICATIONS E93B ( 7 ) 1746 - 1753 2010.7
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Linear Equivalent Circuit Model of Inverter in Microwave Oven for EMI Filter Design
IOKIBE Kengo, WATANABE Tetsushi, SAKIYAMA Kazuyuki, SAITO Yoshiyuki, TOYOTA Yoshitaka, KOGA Ryuji
IEICE technical report 110 ( 84 ) 25 - 30 2010.6
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Watanabe Tetsushi, Matsunaga Shigeki, Matsushima Tohlu, Wada Osami, Toyota Yoshitaka, Koga Ryuji
Proceedings of the IEICE General Conference 2010 ( 1 ) SS.110-SS.111 - SS-111 2010.3
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B-4-5 Accuracy Evaluation of Combined IBIS and LECCS Macro Models by SPICE Simulations for PI and SI Performances
OKA Norimasa, IOKIBE Kengo, TOYOTA Yoshitaka, KOGA Ryuji
Proceedings of the IEICE General Conference 2010 ( 1 ) 355 - 355 2010.3
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平衡度不整合理論に基づく多チャンネル差動伝送線路のコモンモード放射予測
松嶋 徹, 渡辺 哲史, 豊田 啓孝, 和田 修己, 古賀 隆治
エレクトロニクス実装学会講演大会, 10B-06,, pp. 28-29 2010.3
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MATSUMOTO Keisuke, TOYOTA Yoshitaka, IOKIBE Kengo, KOGA Ryuji
IEICE technical report 109 ( 370 ) 81 - 86 2010.1
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Prediction of EMI from two-channel differential signaling system based on imbalance difference model Reviewed
T. Matsushima, T. Watanabe, Y. Toyota, R. Koga, O. Wada
IEEE International Symposium on Electromagnetic Compatibility 413 - 418 2010
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PI/SI解析精度向上を目的としたIBIS及びLECCS-core組合せICマクロモデル
岡典正, 五百旗頭健吾, 豊田啓孝, 古賀隆治
電子情報通信学会論文誌C J93-C ( 11 ) 433 - 444 2010
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Development of Equivalent Circuit Model with Transmission Line Model for Designing Filters Formed on Printed Circuit Boards
Keisuke Matsumoto, Yoshitaka Toyota, Kengo Iokibe, Ryuji Koga
2010 IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY (EMC 2010) 289 - 294 2010
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多電源ピンICのLECCS-coreモデルによる電源電流予測精度の検証
五百旗頭健吾, 東亮太, 津田剛宏, 市川浩司, 中村克己, 豊田啓孝, 古賀隆治, デンソー
電子情報通信学会論文誌C J93-C ( 11 ) 516 - 520 2010
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Stopband Characteristics of Planar-type Electromagnetic Bandgap Structure with Ferrite Film
Yoshitaka Toyota, Koichi Kondo, Shigeyoshi Yoshida, Kengo Iokibe, Ryuji Koga
2010 ASIA-PACIFIC INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY & TECHNICAL EXHIBITION ON EMC RF/MICROWAVE MEASUREMENTS & INSTRUMENTATION 664 - 667 2010
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Stopband Characteristics of Planar-type Electromagnetic Bandgap Structure with Ferrite Film
Yoshitaka Toyota, Koichi Kondo, Shigeyoshi Yoshida, Kengo Iokibe, Ryuji Koga
2010 ASIA-PACIFIC INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY & TECHNICAL EXHIBITION ON EMC RF/MICROWAVE MEASUREMENTS & INSTRUMENTATION 664 - 667 2010
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Application of IC Macro Model (LECCS) to Bypass Circuit Design for Improving EMI/PI Performance
OKA Norimasa, IOKIBE Kengo, TOYOTA Yoshitaka, KOGA Ryuji
IEICE technical report 109 ( 241 ) 141 - 146 2009.10
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Application of IC Macro Model (LECCS) to Bypass Circuit Design for Improving EMI/PI Performance
OKA Norimasa, IOKIBE Kengo, TOYOTA Yoshitaka, KOGA Ryuji
IEICE technical report 109 ( 242 ) 141 - 146 2009.10
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B-4-56 An Equivalent Circuit Model for Designing of Band-Elimination Filter Formed on Return Plane of Printed Circuit Board
Matsumoto Keisuke, Toyota Yoshitaka, Iokibe Kengo, Koga Ryuji
Proceedings of the Society Conference of IEICE 2009 ( 1 ) 339 - 339 2009.9
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TASAKA Tomoya, OKA Norimasa, IOKIBE Kengo, TOYOTA Yoshitaka, KOGA Ryuji
IEICE technical report 109 ( 185 ) 1 - 6 2009.8
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Evaluation of EMI Reduction Effect of Guard Traces Based on Imbalance Difference Model
Tohlu Matsushima, Tetsushi Watanabe, Yoshitaka Toyota, Ryuji Koga, Osami Wada
IEICE TRANSACTIONS ON COMMUNICATIONS E92B ( 6 ) 2193 - 2200 2009.6
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Increase of Common-Mode Radiation due to Guard Trace Voltage and Determination of Effective Via-Location
Tohlu Matsushima, Tetsushi Watanabe, Yoshitaka Toyota, Ryuji Koga, Osami Wada
IEICE TRANSACTIONS ON COMMUNICATIONS E92B ( 6 ) 1929 - 1936 2009.6
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YANO Seiji, TOYOTA Yoshitaka, IOKIBE Kengo, KOGA Ryuji, KONDO Koichi, YOSHIDA Shigeyoshi
IEICE technical report 109 ( 18 ) 7 - 12 2009.4
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Effect of Frequency Step on Uncertainty of Measurement by Site VSWR Method
WATANABE Tetsushi, TOYOTA Yoshitaka, IOKIBE Kengo, KOGA Ryuji
IEICE technical report 109 ( 18 ) 1 - 6 2009.4
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CP-2-3 Development and Application of High-Speed EMI Simulators for Supporting EMC Design
Toyota Yoshitaka, Koga Ryuji, Iokibe Kengo, Wada Osami
Proceedings of the IEICE General Conference 2009 ( 1 ) "SS - 4"-"SS-5" 2009.3
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B-4-55 Application of Common-Mode Antenna Model to Actual Printed Circuit Boards : On Antenna Elements
FUKUMASU Keisuke, WATANABE Tetsushi, TOYOTA Yoshitaka, IOKIBE Kengo, KOGA Ryuji
Proceedings of the IEICE General Conference 2009 ( 1 ) 398 - 398 2009.3
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B-4-60 Imbalance Control of Differential Signaling Transmission Line for Reduction of Common Mode
Matsushima Tohlu, Watanabe Tetsushi, Toyota Yoshitaka, Koga Ryuji, Wada Osami
Proceedings of the IEICE General Conference 2009 ( 1 ) 403 - 403 2009.3
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Reduction of EMI from Differential Signaling System Using Asymmetric Guard Trace
Tohlu Matsushima, Tetsushi Watanabe, Yoshitaka Toyota, Kengo Iokibe, Ryuji Koga, Osami Wada
Proceedings of International Conference on Electronics Packaging 2009 (ICEP2009) 718 - 723 2009
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Combination of IBIS and LECCS-core Models for SI Analysis under Non-Ideal Power Supply Conditions
Norimasa Oka, Kengo Iokibe, Yoshitaka Toyota, Ryuji Koga
Proceedings of 2009 Korea-Japan Joint Conference on AP/EMC/EMT (KJJC-AP/EMC/EMT 2009) 159 - 162 2009
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Reduction of Common-mode Radiation by Terminating Guard Trace with Resistors
Tetsushi Watanabe, Tohlu Matsushima, Yoshitaka Toyota, Ryuji Koga, Osami Wada
Proceedings of 2009 Internatinal Symposium on Electromagnetic Compatibility (EMC'09/Kyoto) 97 - 100 2009
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Examination of Power-Ground Resonance for IBIS Model with Non-Ideal Power Supply
Norimasa Oka, Kengo Iokibe, Yoshitaka Toyota, Ryuji Koga
Proceedings of 2009 Internatinal Symposium on Electromagnetic Compatibility (EMC'09/Kyoto) 583 - 586 2009
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Calculation of Common-Mode Radiation from Differential Signaling System Using Imbalance Difference Model
Tohlu Matsushima, Keisuke Fukumasu, Tetsushi Watanabe, Yoshitaka Toyota, Kengo Iokibe, Ryuji Koga, Osami Wada
Proceedings of 2009 Korea-Japan Joint Conference on AP/EMC/EMT (KJJC-AP/EMC/EMT 2009) 187 - 190 2009
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Band Elimination Characteristics of EBG Structure Containing High Permeability Ferrite Thin Films
Koichi Kondo, Shigeyoshi Yoshida, Hiroshi Ono, Yoshitaka Toyota
Proceedings of VIII International Symposium on Electromagnetic Compatibility and Electromagnetic Ecology (EMC'2009) 151 - 153 2009
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Combination of IBIS and LECCS-core Models for SI Analysis under Non-Ideal Power Supply Conditions
Norimasa Oka, Kengo Iokibe, Yoshitaka Toyota, Ryuji Koga
Proceedings of 2009 Korea-Japan Joint Conference on AP/EMC/EMT (KJJC-AP/EMC/EMT 2009) 159 - 162 2009
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Calculation of Common-Mode Radiation from Differential Signaling System Using Imbalance Difference Model
Tohlu Matsushima, Keisuke Fukumasu, Tetsushi Watanabe, Yoshitaka Toyota, Kengo Iokibe, Ryuji Koga, Osami Wada
Proceedings of 2009 Korea-Japan Joint Conference on AP/EMC/EMT (KJJC-AP/EMC/EMT 2009) 187 - 190 2009
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Reduction of EMI from Differential Signaling System Using Asymmetric Guard Trace
Tohlu Matsushima, Tetsushi Watanabe, Yoshitaka Toyota, Kengo Iokibe, Ryuji Koga, Osami Wada
Proceedings of International Conference on Electronics Packaging 2009 (ICEP2009) 718 - 723 2009
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EMI Macro Modeling of Driver Circuits Using Static Characteristics of Transistors
OKA Norimasa, IOKIBE Kengo, TOYOTA Yoshitaka, KOGA Ryuji
The IEICE transactions on communications B J92-B ( 1 ) 287 - 295 2009
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Evaluation of Multiple Power-Supply Pin LECCS-core Model with Different Pattern Design Boards
HIGASHI Ryota, IOKIBE Kengo, TSUDA Takahiro, ICHIKAWA Kouji, NAKAMURA Katsumi, TOYOTA Yoshitaka, KOGA Ryuji
IEICE technical report 108 ( 132 ) 43 - 48 2008.7
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WAKADUKI Yuri, TORIGOE Makoto, WATANABE Tetsushi, TOYOTA Yoshitaka, IOKIBE Kengo, KOGA Ryuji
IEICE technical report 108 ( 132 ) 37 - 42 2008.7
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B-4-37 Experimental Verification of Electromotive Force of Common-mode Defined in Imbalance Difference Mechanism
Matsushima Tohlu, Watanabe Tetsushi, Toyota Yoshitaka, Iokibe Kengo, Koga Ryuji, Wada Osami
Proceedings of the IEICE General Conference 2008 ( 1 ) 346 - 346 2008.3
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Modeling of Microcontroller with Multiple Power Supply Pins for Conducted EMI Simulations
Kengo Iokibe, Ryota Higashi, Takahiro Tsuda, Kouji Ichikawa, Katsumi Nakamura, Yoshitaka Toyota, Ryuji Koga
IEEE EDAPS: 2008 ELECTRICAL DESIGN OF ADVANCED PACKAGING AND SYSTEMS SYMPOSIUM 135 - + 2008
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Determination of Grounding Location for Guard Trace to Reduce Common-Mode Radiation
Tohlu Matsushima, Tetsushi Watanabe, Kengo Iokibe, Yoshitaka Toyota, Ryuji Koga, Osami Wada
Proceedjngs of International Conference on Electronics Packaging 2008 (ICEP 2008) 124 - 129 2008
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Prediction of the Common-mode Radiated Emission from the Board to Board Interconnection through Common-mode Antenna Model
Makoto Torigoe, Akifumi Sadatoshi, Yoshitaka Toyota, Kengo Iokibe, Ruji Koga, Tetsushi Watanabe, Osami Wada
2008 IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, VOLS 1-3 498 - + 2008
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EMC Macro-modeling of CMOS Inverter Using LECCS-I/O Model with Additional Current Source
Kengo Iokibe, Akihiro Ohsaki, Yoshitaka Toyota, Ryuji Koga, Osami Wada
2008 IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, VOLS 1-3 554 - + 2008
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Macro Model of Driver Circuits for EMI Simulation
Norimasa Oka, Kengo Iokibe, Yoshitaka Toyota, Ryuji Koga
Proceedjngs of International Conference on Electronics Packaging 2008 (ICEP 2008) 467 - 472 2008
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Experimental Validation of Imbalance Difference Model to Estimate Common-Mode Excitation in PCBs
Yoshitaka Toyota, Tohlu Matsushima, Kengo Iokibe, Ryuji Koga, Tetsushi Watanabe
2008 IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, VOLS 1-3 578 - + 2008
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EMI simulation based on cavity-mode model for power-bus radiation calculation of power/ground planes with IC/LSI
Yoshitaka Toyota, Masahiro Nishida, Kengo Iokibe, Ryuji Koga, Osami Wada
2008 ASIA-PACIFIC SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY AND 19TH INTERNATIONAL ZURICH SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, VOLS 1 AND 2 423 - + 2008
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Suppressing power bus resonance and radiation using and EBG structure
Yoshitaka Toyota, Kengo Iokibe, Ryuji Koga, Koichi Kondo, Shigeyoshi Yoshida
2008 ASIA-PACIFIC SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY AND 19TH INTERNATIONAL ZURICH SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, VOLS 1 AND 2 566 - + 2008
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B-4-25 EMC macro-modeling of CMOS inverter with two equivalent current sources
Iokibe Kengo, Osaki Akihiro, Toyota Yoshitaka, Koga Ryuji, Wada Osami
Proceedings of the IEICE General Conference 334 334 - 334 2008
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B-4-30 Suppression of Power Bus Resonance and Radiation by High-Permeability Magnetic Metal Sheet Interposed between Power/Ground Planes of Printed Circuit Board
Toyota Yoshitaka, Iokibe Kengo, Koga Ryuji, Kondo Koichi, Yoshida Shigeyoshi
Proceedings of the IEICE General Conference 339 - 339 2008
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Investigation of Parasitic Capacitance to Improve EMC Macro Model LECCS around 1GHz
TAKAHASHI A., IOKIBE K., PAOLETTI U., WADA O., TOYOTA Y., KOGA R.
IEICE technical report 107 ( 167 ) 5 - 10 2007.7
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FUKUMASU Keisuke, WATANABE Tetsushi, TOYOTA Yoshitaka, IOKIBE Kengo, KOGA Ryuji, WADA Osami
IEICE technical report 107 ( 107 ) 39 - 44 2007.6
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SADATOSHI Akifumi, SAKAI Youhei, WATANABE Tetsushi, TOYOTA Yoshitaka, IOKIBE Kengo, KOGA Ryuji, WADA Osami
IEICE technical report 107 ( 25 ) 49 - 54 2007.4
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B-4-42 Miniaturization and Stopband Expansion of EBG Structure Formed in Power/Ground Plane Pair of PCBs Using High Permeability Materials
Toyota Yoshitaka, Iokibe Kengo, Koga Ryuji
Proceedings of the IEICE General Conference 2007 ( 1 ) 366 - 366 2007.3
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Common-mode current related to cable ground in shape
MORIMITSU Kazuya, WATANABE Tetsushi, TOYOTA Yoshitaka, KOGA Ryuji, WADA Osami
IEICE technical report 106 ( 579 ) 71 - 75 2007.3
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Common-mode current related to cable ground in shape
ITE technical report 31 ( 17 ) 71 - 75 2007.3
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Prediction of electromagnetic emissions from PCBs with interconnections through common-mode antenna model
Yoshitaka Toyota, Akifumi Sadatoshi, Tetsushi Watanabe, Kengo Iokibe, Ryuji Koga, Osami Wada
EMC ZURICH-MUNICH 2007, SYMPOSIUM DIGEST 107 - + 2007
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Prediction of common-mode radiation from printed circuit boards with interconnections
Yoshitaka Toyota, Akifumi Sadatoshi, Tetsushi Watanabe, Kengo Iokibe, Ryuji Koga, Osami Wada
2007 4TH INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY PROCEEDING: EMC 2007 142 - + 2007
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Miniaturization of electromagnetic bandgap (EBG) structures with high-permeability magnetic metal sheet
Yoshitaka Toyota, Kengo Iokibe, Ryuji Koga, Arif Ege Engin, Tae Hong Kim, Madhavan Swaminathan
2007 IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY: WORKSHOP AND TUTORIAL NOTES, VOLS 1-3 55 - + 2007
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Fast and accurate estimation of radiated emission from printed circuit board using common-mode antenna model based on common-mode potential distribution
Yoshitaka Toyota, Youhei Sakai, Makoto Torigoe, Ryuji Koga, Tetsushi Watanabe, Osami Wada
2007 IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY: WORKSHOP AND TUTORIAL NOTES, VOLS 1-3 702 - + 2007
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コモンモード電位分布に基づくプリント回路基板の等価アンテナモデル
酒井 陽平, 渡辺 哲史, 豊田 啓孝, 古賀 隆治, 和田
電子情報通信学会論文誌 B J90-B ( 11 ) 1116 - 1123 2007
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Determination of Effective Parasitic Capacitance around IC Package for EMC modeling
Kengo Iokibe, Atsuhiro Takahashi, Umberto Paoletti, Osami Wada, Yoshitaka Toyota, Ryuji Koga
Proceedings of 6th International Workshop on Electromagnetic Compatibility of Integrated Circuits (EMC Compo 2007) 31 - 34 2007
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Fast calculation of radiated emissions from arbitrarily shaped PCB with IC/LSI
Masahiro Nishida, Yoshitaka Toyota, Kengo Iokibe, Ryuji Koga, Osami Wada
2007 4TH INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY PROCEEDING: EMC 2007 255 - + 2007
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プリント回路基板の電源/グランドプレーンに形成する不要電磁波伝搬抑制のためのプレーナEBG構造の小型化
豊田 啓孝, エンゲン アリフ エゲ, スワミナッサン マダハバン, 五百旗頭, 健, 古賀 隆治
電子情報通信学会論文誌 B J90-B ( 11 ) 1135 - 1142 2007
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Stopband analysis using dispersion diagram for two-dimensional electromagnetic bandgap structures in printed circuit boards
Yoshitaka Toyota, Arif Ege Engin, Tae Hong Kim, Madhavan Swaminathan
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS 16 ( 12 ) 645 - 647 2006.12
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Determination of impedances in LECCS-I/O model by 3-port VNA measurement for higher frequency range
OSAKI Akihiro, IOKIBE Kengo, TOYOTA Yoshitaka, KOGA Ryuji, WADA Osami
IEICE technical report 106 ( 182 ) 17 - 22 2006.7
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EMI antenna model based on common-mode potential distribution for fast prediction of radiated emission Reviewed
Y. Sakai, T. Watanabe, O. Wada, T. Matsushima, K. Iokibe, Y. Toyota, R. Koga
IEEE International Symposium on Electromagnetic Compatibility 2 280 - 284 2006
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Virtual Port Parameters in Segmentation Method for Modeling Power Bus Structures in Multilayer PCBs
Zhi Liang Wang, Osami Wada, Yoshitaka Toyota, Ryuji Koga
International Journal of Microwave and Optical Technology 2006
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マイクロコントローラの多電源ピンLECCS-coreモデルの構築
中村克己, 南澤裕一郎, 豊田啓孝, 古賀隆治, 和田修己, 斎藤義行, 中村篤
電子情報通信学会論文誌 C 2006
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バイスタティックライダによる水雲粒子径測定原理の検証
小林隆, 五百旗頭健吾, 杉本伸夫, 豊田啓孝, 古賀隆治
電気・情報関連学会中国支部連合大会講演論文集(CD-ROM) 57th 2006
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Modeling and simulation of via-connected power bus stacks in multilayer PCBs
ZL Wang, O Wada, T Harada, T Yaguchi, Y Toyota, R Koga
IEICE TRANSACTIONS ON COMMUNICATIONS E88B ( 8 ) 3176 - 3181 2005.8
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Examination for imbalance matching at receiver end of high differential transmission system
MORIMITSU Kazuya, SHIGENARI Hiroshi, TOYOTA Yoshitaka, KOGA Ryuji, WADA Osami
IEICE technical report. EMD 105 ( 216 ) 7 - 12 2005.7
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Construction of LECCS-core Model for Multiple Power-supply Pin LSI by S-parameter Measurement
MINAMISAWA Yuichiro, OHTA Arinobu, TOYOTA Tomohiro, NAKAMURA Katsumi, WADA Osami, TOYOTA Yoshitaka, KOGA Ryuji, SAITO Yoshiyuki, NAKAMURA Atsushi
ITE technical report 29 ( 20 ) 85 - 90 2005.3
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Construction of LECCS-core Model for Multiple Power-supply Pin LSI by S-parameter Measurement
MINAMISAWA Yuichiro, OHTA Arinobu, TOYOTA Tomohiro, NAKAMURA Katsumi, WADA Osami, TOYOTA Yoshitaka, KOGA Ryuji, SAITO Yoshiyuki, NAKAMURA Atsushi
IEICE technical report. Electromagnetic compatibility 104 ( 705 ) 85 - 90 2005.3
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Impedance Parameter Extraction of LECCS-I/O Model by S-parameter Measurement
KONDO Yohei, SUGANO Ayako, TANAKA Daisuke, WADA Osami, TOYOTA Yoshitaka, KOGA Ryuji
IEICE technical report. Electromagnetic compatibility 104 ( 705 ) 79 - 84 2005.3
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Convergence acceleration and accuracy improvement in power bus impedance calculation with a fast algorithm using cavity modes
ZL Wang, O Wada, Y Toyota, R Koga
IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY 47 ( 1 ) 2 - 9 2005.2
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An inverted rib waveguide with both close coupling and strong confinement for optoelectronic integration and optical interconnection : Numerical results
OUAABA Khalid, TOYOTA Yoshitaka, WADA Osami, KOGA Ryuji
Technical report of IEICE. OPE 104 ( 606 ) 7 - 12 2005.1
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Characteristic Analysis of Tunable Dispersion Compensator with Double Ring Resonator
MOTOMURA Tetsuyuki, TOYOTA Yoshitaka, WADA Osami, KOGA Ryuji
Technical report of IEICE. OPE 104 ( 606 ) 13 - 16 2005.1
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Iokibe Kengo, Toyota Yoshitaka, Wada Osami, Koga Ryuji
Memoirs of the Faculty of Engineering, Okayama University 39 ( 1 ) 93 - 101 2005.1
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NOBUYOSHI Terumi, KOGA Ryuji, TOYOTA Yoshitaka
Technical report of IEICE. OPE 104 ( 412 ) 23 - 26 2004.11
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A bidirectional iteration algorithm for determining lidar ratios and its use to evaluate boundary values in the lidar inversion
K Iokibe, Y Itoh, Y Toyota, O Wada, R Koga
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS 43 ( 9A ) 6513 - 6519 2004.9
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Prediction of EMI Reduction with Guard Traces on PCBs Based on Imbalance Difference Mechanism
MATSUSHIMA Tohlu, WATANABE Tetsushi, WADA Osami, TOYOTA Yoshitaka, KOGA Ryuji
IEICE technical report. Electromagnetic compatibility 104 ( 231 ) 53 - 58 2004.7
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KISHIMOTO Masanori, WATANABE Tetsushi, MURAO Takashi, WADA Osami, TOYOTA Yoshitaka, KOGA Ryuji
IEICE technical report. Electromagnetic compatibility 103 ( 440 ) 39 - 44 2004.1
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Expansion of EMC Macro-model (LECCS-I/O) to Digital ICs with Multi-bit Drivers
TANAKA Daisuke, KONDO Youhei, OSAKA Hideki, WADA Osami, TOYOTA Yoshitaka, KOGA Ryuji
IEICE technical report. Electromagnetic compatibility 103 ( 440 ) 45 - 50 2004.1
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Efficient Calculation of Power Bus Impedance using a Fast Algorithm Together with a Segmentation Method
Zhi Liang Wang, Osami Wada, Yoshitaka Toyota, Ryuji Koga
IEEJ Transactions on Fundamentals and Materials 124 ( 12 ) 1185 - 1192 2004
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二重リング共振器による共振波長間隔の拡大と光合分波
豊田啓孝, 和田修己, 古賀隆治
応用物理 第73巻, 第11号, pp.1428-1432 2004
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Linear Equivalent Circuit and Current Source for I/O (LECCS-I/O) Modeling of IC Power Current for EMI Simulation
Hideki Osaka, Daisuke Tanaka, Osami Wada, Yoshitaka Toyota, Ryuji Koga
Journal of Japan Institute of Electronics Packaging 7 ( 6 ) 517 - 524 2004
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Expansion of EMC Macro-model (LECCS) to Multiple Power-supply Pin LSI
TOYOTA Tomohiro, MINAMISAWA Yuichiro, NAKAMURA Katsumi, WADA Osami, TOYOTA Yoshitaka, KOGA Ryuji
IEICE technical report. Electromagnetic compatibility 103 ( 488 ) 41 - 46 2003.11
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AKAZAWA Teppei, WANG Zhi Liang, TOYOTA Yoshitaka, WADA Osami, KOGA Ryuji
IEICE technical report. Electromagnetic compatibility 103 ( 223 ) 43 - 48 2003.7
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MATSUNAGA Shigeki, KISHIMOTO Masanori, WATANABE Tetsushi, TOYOTA Yoshitaka, WADA Osami, KOGA Ryuji
IEICE technical report. Electromagnetic compatibility 103 ( 223 ) 61 - 68 2003.7
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A Simulation Method for EM Radiation from Power/Ground Plane of PCB by Using a Power Current Model, Vol.J86-B,No.2, pp.226-235
TAKAYAMA Keisuke, KINOSHITA Tomohiro, MATSUISHI Takuya, MATSUNAGA Shigeki, WANG Zhi Liang, TOYOTA Yoshitaka, WADA Osami, KOGA Ryuji, FUKUMOTO Yukihiro, SHIBATA Osamu
IEICE transactions on communications 86 ( 2 ) 887 - 887 2003.2
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Multipath structure for FSR expansion in waveguide-based optical ring resonator
IS Hidayat, Y Toyota, O Torigoe, O Wada, R Koga
ELECTRONICS LETTERS 39 ( 4 ) 366 - 367 2003.2
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Aerosol Extinction Coefficient Continuously Measured with Polarized Mie Scattering Lidar
Iokibe Kengo, Toyota Yoshitaka, Wada Osami, Koga Ryuji
Memoirs of the Faculty of Engineering, Okayama University Vol.37, No.2, pp.89-97 ( 2 ) 89 - 97 2003
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LSIの電源端子電流モデルのEMIシミュレーションへの適用
高山惠介, 木下智博, 松石拓也, 松永茂樹, 王志良, 豊田啓孝, 和田修己, 古賀隆治, 福本幸弘, 柴田修
電子情報通信学会論文誌B 2003
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黄砂の観測を目的としたインターネットシステム上のレーザレーダ運用
古賀隆治, 五百旗頭健吾, 伊藤嘉則, 白川紘之, 豊田啓孝, 和田修己
計測自動制御学会中国支部学術講演会論文集 12th 2003
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Effect of a rectangular field-stop for the laser rader receiving telescope
GOTOH Takanori, IOKIBE Kengo, TOYOTA Yoshitaka, WADA Osami, KOGA Ryuji
Technical report of IEICE. OPE 102 ( 448 ) 73 - 78 2002.11
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Time response analysis of optical functional devices with multiple paths
ICHI-UMA Satoru, TOYOTA Yoshitaka, SYARIF HIDAYAT Iip, WADA Osami, KOGA Ryuji
Technical report of IEICE. OPE 102 ( 448 ) 67 - 72 2002.11
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Output-Load Dependency of Power Current Model of CMOS Driver Circuit
KINOSHITA Tomohiro, OSAKA Hideki, WADA Osami, TOYOTA Yoshitaka, KOGA Ryuji
IEICE technical report. Electromagnetic compatibility 102 ( 25 ) 25 - 30 2002.4
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Watanabe Tetsushi, Wada Osami, Koga Ryuji, Toyota Yoshitaka, Miyashita Takuya
Memoirs of the Faculty of Engineering, Okayama University 36 ( 2 ) 83 - 89 2002
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Application of segmentation method to analysis of power/ground plane resonance in multilayer PCBs
ZL Wang, O Wada, Y Toyota, R Koga
2002 3RD INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY 775 - 778 2002
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Hidayat Iip Syarif, Toyota Yoshitaka, Torigoe Osamu, Wada Osami, Koga Ryuji
Memoirs of the Faculty of Engineering, Okayama University 36 ( 2 ) 73 - 82 2002
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Analytical simulation of radiated emission from power bus noise on PCB with linear macro-model of IC/LSI
Osami Wada, Zhi Liang Wang, Yukihiro Fukumoto, Yoshitaka Toyota, Ryuji Koga
XXVIth General Assembly of the International Union of Radio Science(URSI) 2002
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Analysis of Cascade Microring-Resonator Type of Interleave Filter
Iip Syarif Hidayat, Yoshitaka Toyota, Osami Wada, Ryuji Koga
Asia-Pacific Conference on Communications (APCC 2002) 2002
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Estimation of common-mode EMI caused by a signal line in the vicinity of ground edge on a PCB
T Watanabe, O Wada, Y Toyota, R Koga
2002 IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, VOLS 1 AND 2, SYMPOSIUM RECORD 113 - 118 2002
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Radiated emission analysis of power bus noise by using a power current model of an LSI
Y Fukumoto, O Shibata, K Takayama, T Kinoshita, ZL Wang, Y Toyota, O Wada, R Koga
2002 IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, VOLS 1 AND 2, SYMPOSIUM RECORD 1037 - 1042 2002
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Pulse Timing Control of Multiple Signal Interconnections for Reduction of EMI
Memoirs of the Faculty of Engineering, Okayama University 37 ( 1 ) 51 - 60 2002
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岡山・福山における偏光ライダーによる対流圏同時観測
五百旗頭健吾, 香川直己, 豊田啓孝, 和田修己, 古賀隆治
応用物理学会学術講演会講演予稿集 63rd ( 3 ) 2002
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Numerical analysis of optical ring resonators with double-ring structure to extend their FSR
TOYOTA Yoshitaka, HIDAYAT Iip SYARIF, TORIGOE Osamu, ICHI-UMA Satoru, WADA Osami, KOGA Ryuji
Technical report of IEICE. OPE 101 ( 504 ) 37 - 42 2001.12
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A simple method for measuring the relative permittivity of printed circuit board materials
A Namba, S Wada, Y Toyota, Y Fukumoto, ZL Wang, R Koga, T Miyashita, T Watanabe
IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY 43 ( 4 ) 515 - 519 2001.11
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Power current model of LSI/IC containing equivalent internal impedance for EMI analysis of digital circuits
Y Fukumoto, Y Takahata, O Wada, Y Toyota, T Miyashita, R Koga
IEICE TRANSACTIONS ON COMMUNICATIONS E84B ( 11 ) 3041 - 3049 2001.11
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C-3-46 Analysis of Interleaver with Double-Cavity Ring-Resonator Structure
Hidayat I.S., Ohnishi M., Ichi-uma S., Toyota Y., Wada O., Koga R.
Proceedings of the Society Conference of IEICE 2001 ( 1 ) 156 - 156 2001.8
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Spectrum analysis of amplitude-expanded pulse generated by pillbox-type optical modulator
Ichi-uma Satoru, Hidayat Iip Syarif, Toyota Yoshitaka, Wada Osami, Koga Ryuji
Proceedings of the Society Conference of IEICE 2001 ( 1 ) 115 - 115 2001.8
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Power Current Simulation for EMC Design of LSI
TAKAYAMA Keisuke, KINOSHITA Tomohiro, MATSUNAGA Shigeki, WANG Zhi Liang, TOYOTA Yoshitaka, WADA Osami, KOGA Ryuji, FUKUMOTO Yukihiro, SHIBATA Osamu
IEICE technical report. Electromagnetic compatibility 101 ( 178 ) 73 - 78 2001.7
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Stable inversion method for a polarized-lidar: analysis and simulation
H Wei, R Koga, K Iokibe, O Wada, Y Toyota
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION 18 ( 2 ) 392 - 398 2001.2
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Numerical analysis of amplitude-expanded pulse generation in pillbox-type optical modulator
TOYOTA Yoshitaka, WADA Osami, KOGA Ryuji
Technical report of IEICE. OPE 100 ( 590 ) 1 - 6 2001.1
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Depolarization properties of Asian dust (Kosa) measured in 1998-2000 at Okayama, Japan
H Wei, R Koga, K Iokibe, O Wada, Y Toyota, N Kagawa
LIDAR REMOTE SENSING FOR INDUSTRY AND ENVIRONMENT MONITORING 4153 559 - 566 2001
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Power current model of LSI and parameter identification for EMI simulation of digital PCBs
Y Fukumoto, T Matsuishi, T Kinoshita, O Wada, Y Toyota, R Koga
2001 IEEE EMC INTERNATIONAL SYMPOSIUM, VOLS 1 AND 2 1185 - 1190 2001
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Reduction of Q-factor of resonance in power/ground planes of multilayer PCBs by using resistive metal films
Zhi Liang Wang, Osami Wada, Yoshitaka Toyota, Ryuji Koga
Trans. Inst. Electr. Eng. Jpn. A 2001
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WADA Osami, WANG Zhi Liang, TOYOTA Yoshitaka, KOGA Ryuji
EMCJ 100 ( 510 ) 85 - 90 2000.12
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An Improved Closed-Form Expression for Accurate and Rapid Calculation of Power/Ground Plane Impedance in Multilayer PCBs
WANG Zhi Liang, WADA Osami, TOYOTA Yoshitaka, KOGA Ryuji
2000 ( 65 ) 17 - 23 2000.10
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Parameter Identification for a power current model of LSI
FUKUMOTO Yukihiro, MATSUISHI Takuya, TOYOTA Yoshitaka, WADA Osami, KOGA Ryuji
EMCJ 100 ( 207 ) 49 - 54 2000.7
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Reducing Q-factors of Resonances in Power/Ground Planes of Multilayer PCBs by Using Resistive Metallic Layers
Zhi Liang Wang, Osami Wada, Yoshitaka Toyota, Ryuji Koga
Proceedings of the 2000 Japan-China Joint Meeting on Optical Fiber Science and Electromagnetic Theory (OFSET) 2000 2000
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Observation of Kosa with Mie Lidar at Okayama in the Spring of 2000
Ryuji Koga, Kengo Iokibe, He Wei, Osami Wada, Yoshitaka Toyota, Naoki Kagawa
The Proceedings of Asian Lidar Observation Network Conference 2000 2000
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Power Current Model of Digital IC with Internal Impedance for Power Decoupling Simulation
Osami Wada, Yasuo Takahata, Yoshitaka Toyota, Ryuji Koga, Takuya Miyashita, Yukihiro Fukumoto
4th European Symposium on Electromagnetic Compatibility Proceedings 2000
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Depolarization properties of Asian dust (KOSA) measured hyLIDAR in Okayama in the spring of 1998
Wei He, Koga Ryuji, Iokibe Kengo, Wada Osami, Toyota Yoshitaka
Memoirs of the Faculty of Engineering, Okayama University 34 ( 1 ) 27 - 37 2000
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Power decoupling circuit for modeling and measurement of EMC characteristics of IC/LSI
R Koga, O Wada, Y Toyota, T Miyashita, Y Fukumoto, A Namba, Y Takahata, N Kagawa
ASIA-PACIFIC CONFERENCE ON ENVIRONMENTAL ELECTROMAGNETICS: CEEM'2000, PROCEEDINGS 444 - 448 2000
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Amplitude-expanded pulse generated by pillbox-type optical modulator
SUGA Kunihiro, SHIGE Hideki, TOYOTA Yoshitaka, WADA Osami, KOGA Ryuji
Proceedings of the IEICE General Conference 311 - 311 1999
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Toyota Yoshitaka, Tsuji Hiroshi, Gotoh Yasuhito, Ishikawa Junzo
Jpn J Appl Phys 35 ( 9 ) 4785 - 4788 1996.9
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Fundamental study on powder-scattering in positive- and negative-ion implantation into powder materials
Hiroshi Tsuji, Junzo Ishikawa, Hajime Itoh, Yoshitaka Toyota, Yasuhito Gotoh
Applied Surface Science 100-101 342 - 346 1996
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Charging phenomenon of insulators in negative-ion implantation
Yoshitaka Toyota, Hiroshi Tsuji, Shoji Nagumo, Yasuhito Gotoh, Junzo Ishikawa
Applied Surface Science 100-101 360 - 364 1996
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Toyota Yoshitaka, Tsuji Hiroshi, Gotoh Yasuhito, Ishikawa Junzo
Japanese Journal of Applied Physics 35 ( 9A ) 4785 - 4788 1996
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Negative-Fluorine-Ion Extraction from RF Plasma-Sputter-Type Heavy Negative-Ion Source using SF_6 Gas
TSUJI Hiroshi, TOMITA Tetsuo, TOYOTA Yoshitaka, GOTOH Yasuhito, ISHIKAWA Junzo
38 ( 9 ) 769 - 769 1995.9
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Negative-ion implantation technique
Junzo Ishikawa, Hiroshi Tsuji, Yoshitaka Toyota, Yasuhito Gotoh, Koji Matsuda, Masayasu Tanjyo, Shigeki Sakai
Nuclear Inst. and Methods in Physics Research, B 96 ( 1-2 ) 7 - 12 1995.3
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The charging mechanism of insulated electrode in negative-ion implantation
Shigeki Sakai, Yasuhito Gotoh, Hiroshi Tsuji, Yoshitaka Toyota, Junzo Ishikawa, Masayasu Tanjyo, Koji Matsuda
Nuclear Inst. and Methods in Physics Research, B 96 ( 1-2 ) 43 - 47 1995.3
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Evaluation of Charging Model in Negative-Ion Implantation
Yoshitaka Toyota, Hiroshi Tsuji, Shoji Nagumo, Shigeki Sakai, Yasuhito Gotoh, Junzo Ishikawa, Koji Matsuda
Shinku 38 ( 3 ) 224 - 227 1995
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Charging Potential Measurement of Photoresist-Layer Surface during Negative-Ion Implantation from Ion-Induced Secondary Electron Energy Analysis
Hiroshi Tsuji, Shoji Nagumo, Yoshitaka Toyota, Shigeki Sakai, Yasuhito Gotoh, Junzo Ishikawa
Shinku 38 ( 3 ) 221 - 223 1995
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Energy distribution and yield measurement of secondary electrons to evaluate the equilibrium charging voltage of an isolated electrode during negative-ion implantation
Yoshitaka Toyota, Hiroshi Tsuji, Yasuhito Gotoh, Junzo Ishikawa
Japanese Journal of Applied Physics 34 ( 12 ) 6487 - 6491 1995
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Negative-Ion Current Density Dependence of the Surface Potential of Insulated Electrode During Negative-Ion Implantation
Hiroshi Tsuji, Shigeki Sakai, Yoshio Okayama, Yoshitaka Toyota, Yasuhito Gotoh, Kouji Matsuda, Masayasu Tanjyo, Junzo Ishikawa
Shinku 37 ( 3 ) 135 - 138 1994
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Surface Potential Measurement of the Insulator with Secondary Electron Caused by Negative Ion Implantation
Hiroshi Tsuji, Yoshitaka Toyota, Syoji Nagumo, Yasuhito Gotoh, Junzo Ishikawa, Shigeki Sakai, Masayasu Taniyo, Kohji Matsuda
Shinku 37 ( 3 ) 139 - 142 1994