MORIKAWA NARUSUE LABORATORY

Japanese / English

成末 義哲

東京大学大学院 工学系研究科 電気系工学専攻 准教授
博士（情報理工学）
research map

narusue_sq2

略歴

  • 2012年3月   東京大学 工学部 電子情報工学科  卒業
  • 2012年4月   東京大学大学院 情報理工学系研究科 電子情報学専攻 修士課程  入学
  • 2014年3月   東京大学大学院 情報理工学系研究科 電子情報学専攻 修士課程  修了
  • 2014年4月   東京大学大学院 情報理工学系研究科 電子情報学専攻 博士課程  入学
  • 2014年4月〜2017年3月   日本学術振興会 特別研究員 (DC1)
  • 2017年3月   東京大学大学院 情報理工学系研究科 電子情報学専攻 博士課程  修了
  • 2017年4月〜2021年3月   東京大学大学院 工学系研究科 電気系工学専攻  助教
  • 2021年4月〜2023年3月   東京大学大学院 工学系研究科 電気系工学専攻  講師
  • 2023年4月〜現在   東京大学大学院 工学系研究科 電気系工学専攻  准教授

受賞

  • 2024年5月   石油学会   論文賞
  • 2020年9月   ACM IMWUT   Distinguished Paper Award
  • 2020年6月   IEICE Electronics Express   ELEX Editorial Contribution Award
  • 2020年5月   日本風力エネルギー学会   論文賞
  • 2019年9月   情報処理学会 FIT2019   FIT論文賞
  • 2019年7月   電子情報通信学会 ライフインテリジェンスとオフィス情報システム研究会   研究賞
  • 2018年11月   APMC WPT-mini4D    優勝
  • 2018年3月   電子情報通信学会 無線電力伝送研究会 プラ電車ワイヤレス給電走行レース   優秀賞
  • 2018年1月   2018 IEEE CCNC   Best Paper Award
  • 2017年12月   情報システム学会 第13回全国大会・研究発表大会   特別賞
  • 2017年3月   東京大学大学院情報理工学系研究科電子情報学専攻   博士論文専攻長賞
  • 2016年8月  2016 TECO Green Tech Contest   Bronze Award
  • 2016年7月   情報処理学会 マルチメディア、分散、協調とモバイルシンポジウム   最優秀論文賞
  • 2015年7月   電子情報通信学会 無線電力伝送研究時限   若手学術奨励賞
  • 2014年3月   東京大学大学院情報理工学系研究科電子情報学専攻   修士論文専攻長賞
  • 2013年7月   情報処理学会 ユビキタスコンピューティングシステム研究会   学生奨励賞
  • 2013年6月   電気電子情報学術振興財団   原島学術奨励賞
  • 2013年1月   2013 IEEE RWS   The Second Best Student Paper Award
  • 2012年3月   東京大学 工学部 電子情報工学科   優秀卒業論文賞

競争的研究資金

  • 科研費基盤(B)「近傍界から遠方界まで給電範囲に切れ目のない無線給電方式に関する研究」 研究代表者 
  • 科研費若手「磁界結合型無線給電のための仮想的な機械的接続機構に関する研究」研究代表者
  • 科研費若手「導電性パターンイメージングに基づくチップレスRFID技術に関する研究」研究代表者
  • NICT革新的情報通信技術研究開発委託研究シーズ創出型プログラム「屋内環境における情報・電力伝送統合自営B5G/6Gの研究開発」共同実施機関研究代表者
  • 日本学術振興会特別研究員DC1「磁界共振結合型無線給電ハウスの実現と最適共振器構成手法の確立」研究代表者
  • NEDO ポスト5G情報通信システム基盤強化研究開発事業／先導研究（委託）「コミュニティ強化型モビリティデバイスプラットフォームの研究開発」共同実施機関研究代表者
  • 総務省 IoTの安心・安全かつ適正な利用環境の構築（IoT利用環境の適正な運用及び整備等に資するガイドライン等策定）「Society5.0社会実現に向けた多様な自然環境下でのIoTの適切な利用環境の構築事業」共同受託機関研究代表者
  • 科研費基盤(B)「合成開口レーダの二次利用による衛星IoT通信基盤の実現」研究分担者
  • 科研費基盤(B)「ダイナミック周波数共用に向けたリアルタイム電波環境マップ構築基盤に関する研究開発」研究分担者
  • 科研費基盤(C)「磁界共振結合型無線電力伝送における動的な人体防護方式に関する研究」研究分担者

著書

  • Y. Narusue, and Y. Kawahara, “Multi-Hop Wireless Power Transmission,” Wireless Power Transfer: Theory, Technology, and Applications, Chap.4, the IET, Aug. 2018.
  • N. Shinohara, Y. Narusue, and Y. Kawahara, “Applications of Long-Distance Wireless Power Transfer,” Wireless Power Transfer: Theory, Technology, and Applications, Chap.11, the IET, Aug. 2018.
  • 川原圭博, 成末義哲, “磁界共鳴（共振）結合を用いたマルチホップ型ワイヤレス給電技術,” 電界磁界結合型ワイヤレス給電技術 −電磁誘導・共鳴送電の理論と応用−, 第5章, 科学情報出版, Dec. 2014. 

研究業績

学術雑誌

  • D. Kobuchi, H. Morikawa, and Y. Narusue, “Automatic Design of Transmitter and Receiver Coils for Wireless Power Transfer Systems by Using Current Distribution Analysis,” IEEE Access, vol. 12, pp. 49987 – 49996, April 2024.
  • A. Ebihara, A. Kumagai, M. Kataoka, Y. Ui, O. Kagaya, H. Morikawa, and Y. Narusue, “Multi-user beamforming with a reconfigurable intelligent surface using stereo camera images,” IET Electronics Letters, vol. 59, issue 24, Dec. 2023. 
  • S. Shibuya, K. Adachi, H. Morikawa, and Y. Narusue, “Microwave Power Transmission Using a Signal-to-Leakage-and-Noise Ratio to Protect Wireless Communication Devices,” IEICE Communications Express, Dec. 2023.
  • D. Kobuchi, H. Morikawa, and Y. Narusue, “Phase Retrieval-based Z Parameter Estimation Method for Multiple-Input Multiple-Output Wireless Power Transfer Systems,” IEEE Access, vol. 11, pp. 129905-129913, Nov. 2023.
  • H. Sekiguchi, Y. Narusue, and H. Morikawa, “Leveraging Sparse Approximation for Monaural Overlapped Speech Separation From Auditory Perspective,” IEEE Access, Early Access.
  • S. Nakanishi, Y. Narusue, and H. Morikawa, “Response Time of Cloud-Based Facial Recognition System Utilizing Homomorphic Encryption,” IEICE Communications Express, Accepted.
  • D. Kobuchi, M. Fujishiro H. Morikawa, and Y. Narusue, “An Automatic Coil Design Method for Wireless Power Transfer Systems by Current Distribution Analysis,” IEEE Access, vol. 11, pp. 94613-94622, Sept. 2023.
  • K. Matsuura, Y. Narusue, and  H. Morikawa, “Magnetic Field Intensity Suppression Using Communication-Less Impedance Adjustment for Inductive Power Transfer Systems,” IEICE Electronics Express, vol. 20, no. 12, June 2023.
  • K. Tajima, B. Du, Y. Narusue, S. Saito, Y. Iimura, and H. Morikawa, “Step-by-Step Case ID Identification Based on Activity Connection for Cross-Organizational Process Mining,” IEEE Access, vol. 11, pp. 60578-60589, June 2023.
  • R. Kondo, B. Du, Y. Narusue, and H. Morikawa, “Machine Learning Framework Supervised by Hydraulic Mechanical Models for Real-time Pluvial Flood Prediction,” IPSJ Journal of Information Processing, To Appear.
  • K. Matsuura, D. Kobuchi, Y. Narusue, and H. Morikawa, “Communication-Less Receiver-Side Resonant Frequency Tuning for Magnetically Coupled Wireless Power Transfer Systems,” IEEE Access, vol.11, pp.23544 – 23556, March 2023.
  • D. Kobuchi, K. Matsuura, Y. Narusue, and H. Morikawa, “Cancellation of Harmonics in the Magnetic Field Leakage from Inductive Power Transfer Systems,” IEEE Transactions on Vehicular Technology, Accepted.
  • 松浦賢太郎，足立真志，成末義哲，森川博之, “ワイヤレス給電向け周波数ホッピング型盗電防止方式の脆弱性評価,” 電子情報通信学会論文誌B, To Appear.
  • K. Matsuura, K. Shin, D. Kobuchi, Y. Narusue, and H. Morikawa, “Synchronization Strategy for Distributed Wireless Power Transfer with Periodic Frequency and Phase Synchronization,” IEEE Communications Letters, Early Access.
  • B. Du, Y. Narusue, Y. Furusawa, N. Nishihara, K. Indo, H. Morikawa, and M. Iida, “Clustering Wind Turbines for SCADA Data-Based Fault Detection,” IEEE Transactions on Sustainable Energy, To Appear.
  • M. Almashan, Y. Narusue, and H. Morikawa, “Estimating Pressure–Volume–Temperature Properties of Crude Oil Systems Using Boosted Decision Tree Regression,” Journal of the Japan Petroleum Institute, To Appear.
  • 中山義人, 森雅広, 斎藤忍, 成末義哲, 森川博之, “深層強化学習による営業活動意思決定支援システム,” 情報処理学会論文誌, vol.63, no.4, pp.1008-1018, April 2022.
  • Y. Narusue, and H. Morikawa, “Magnetic Energy Minimization for Suppressing Magnetic Field Intensity of Inductive Power Transfer Systems,” IEEE Transactions on Magnetics, vol.58, no.2, pp.1-5, Feb. 2022.
  • D. Kobuchi, K. Matsuura, Y. Narusue, and H. Morikawa, “Magnetic Field Leakage Cancellation in Multiple-Input Multiple-Output Wireless Power Transfer Systems,” IEEE Magnetics Letters, vol.13, pp.1-4, Feb. 2022.
  • 中山義人, 森雅広, 斎藤忍, 成末義哲, 森川博之, “非定型業務における意思決定支援システムの適用ステップの提案と実践,” 情報処理学会論文誌デジタルプラクティス, vol.2, no.4, pp.1-12, Oct. 2021.
  • D. Kobuchi, Y. Narusue, H. Morikawa, “Cancellation Conditions of Magnetic Field Leakage from Inductive Power Transfer Systems,” IEEE Transactions on Vehicular Technology, vol.70, no.5, pp.4291-4302, May 2021.
  • 成末義哲, 森川博之, “無線電力伝送におけるブリッジ整流回路の正弦波入力電流に対する動作解析,” 電子情報通信学会和文論文誌B, vol.J104–B, no.7, pp.643-644, July 2021.
  • 成末義哲, “共振結合型ワイヤレス電力伝送向け可変リアクタ,” 電子情報通信学会通信ソサイエティマガジンB-plus, vol.15, no.1, pp.23-33, June 2021.
  • H. Suetsugu, Y. Narusue, and H. Morikawa, “Generic Solution for Periodic-Review Joint ReplenishmentProblem using Multi-Agent Reinforcement Learning,” IPSJ Transactions on Mathematical Modeling and Its Applications, vol.14, no.2, pp.1-12, March 2021.
  • 小渕大輔, 薮田直人, 成末義哲, 中岡俊裕, 川﨑繁男, “アクティブ集積アンテナ用HySIC構造C帯ワット級GaN増幅器の試作,” 電子情報通信学会論文誌C, vol.J104-C, no.2, pp.52-59, Feb. 2021.（招待論文）
  • Y. Hokazono, A. Koizuka, M. Suzuki, Y. Narusue, and H. Morikawa, “IoTorch: LED-to-Camera Communication for Smartphones Based on Flash Blinks against Inter-Frame Gaps and Frame Drop,” IEEE Transaction on Mobile Computing, vol.20, no.2, pp.550-564, Feb. 2021.
  • T. Sasatani, Y. Narusue, and Y. Kawahara, “Genetic Algorithm-Based Receiving Resonator Array Design for Wireless Power Transfer,” IEEE Access, vol.8, pp.222385-222396, Dec. 2020.
  • C.M. Colm, T. Umedachi, W. Jiang, T. Sasatani, Y. Narusue, R. Niiyama, and Y. Kawahara, “Soft Robotic Caterpillar with Wirelessly Powered Shape Memory Alloy Actuators,” Journal of Soft Robotics, vol.7, no.6, pp.700-710, Dec. 2020.
  • H. Suetsugu, Y. Narusue, and H. Morikawa, “Branching Deep Q-network Agent with Reward Allocation Mechanism for Joint Replenishment Policy,” IPSJ Transactions on Mathematical Modeling and Its Applications, vol.13, no.2, pp.36-49, Aug. 2020.
  • Y. Narusue, Y. Kawahara, and H. Morikawa, “Load Optimization Factors for Analyzing the Efficiency of Wireless Power Transfer Systems Using Two-Port Network Parameters,” IEICE Electronics Express, vol.17, no.10, pp.1-5, May 2020.
  • Y. Nishizawa, T. Sasatani, M. Ishige, Y. Narusue, T. Umedachi, and Y. Kawahara, “Ramus: A Frequency-Multiplexed Power Bus for Powering, Sensing and Controlling Robots,” IEEE Robotics and Automation Letters, vol.5, no.3, pp.4126-4132, April 2020.
  • 松浦賢太郎, 成末義哲, 川﨑繁男, “Space-by-Wireless用スマートワイヤレスセンサシステムに向けた技術,” 電子情報通信学会論文誌C, vol.J102-C, no.10, pp.281-289, Aug. 2019.（招待論文）
  • K. Sumiya, T. Sasatani, Y. Nishizawa, K. Tsushio, Y. Narusue, and Y. Kawahara, “Alvus: A Reconfigurable 2-D Wireless Charging System,” Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, vol.3, no.2, pp.1-29, June 2019. (Distinguished Paper Award)
  • G. Zhu, C.H. Liao, T. Sakdejayont, I.W. Lai, Y. Narusue, and H. Morikawa, “Improving the Capacity of a Mesh LoRa Network by Spreading-Factor-Based Network Clustering,” IEEE Access, vol.7, pp.21584-21596, Feb 2019.
  • 安田晃久, 緒方淳, 古澤陽子, 成末義哲, 森川博之, 飯田誠, “SCADAデータを用いた風車稼働状態監視モデルに基づく異常検知手法,” 風力エネルギー, vol.42, no.4, pp.53-62, Feb. 2019. (論文賞)
  • R. Takahashi, T. Sasatani, F. Okuya, Y. Narusue, and Y. Kawahara, “A Cuttable Wireless Power Transfer Sheet,” Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, vol.2, no.4, pp1-25, Dec. 2018. 
  • 中山義人, 森雅広, 成末義哲, 森川博之, “営業活動における意思決定のプロセス発見手法: プロセスマイニングの応用アプローチ,” 情報システム学会誌, vol.14, no.1, pp.26-38, Sept. 2018.
  • Y. Narusue, Y. Kawahara, and T. Asami, “Maximizing Efficiency of Wireless Power Transfer Using Magnetic Resonant Coupling with a Receiver-Side Switching Voltage Regulator,” Wireless Power Transfer, March 2017.
  • 成末義哲, 川原圭博, 浅見徹, “Hercules: 平面上での無線電力共有実現のための再構成可能な磁界共振結合モジュールの設計,” 情報処理学会論文誌, vol.56, no.1, pp.250-259, Jan. 2015.

国際会議

  • R. Okubo, A. Yamaguchi, D. Kobuchi, Z. Lin, T. Morinaga, H. Morikawa, and Y. Narusue, “Single-Core Dual Coils in Wireless Power Transfer Systems With Force Display Functions,” Proc. IEEE Wireless Power Technologies Conference and Expo (WPTCE 2024), Kyoto, Japan, May, 2024.
  • D. Kobuchi, Z. Lin, H. Morikawa, and Y. Narusue, “Cancellation of Magnetic Field Leakage in Fundamental and Harmonic Components for Inductive Power Transfer Systems,” Proc. IEEE Wireless Power Technologies Conference and Expo (WPTCE 2024), Kyoto, Japan, May, 2024.
  • D. Kobuchi, R. Siragusa, Y. Narusue, A. Vena, and E. Perret, “Contactless Switching of a RF CBRAM Switch,” Proc. URSI General Assembly and Scientific Symposium, Sapporo, Japan, Aug. 2023.
  • D. Kobuchi, Gregory E. Moore, Y. Narusue, and J. R. Smith, “Suppression of Receiver Harmonic Currents in Wireless Power Transfer Systems,” Proc. IEEE Wireless Power Technologies Conference and Expo, San Diego, CA, USA, June, 2023.
  • D. Kobuchi, K. Manabe, Y. Fuchigami, Y. Narusue, and H. Morikawa, “Virtual Cable: Beam-Direction Converter for IoT Communications inside a Motor,” Proc. IEEE International Conference on Industrial Technology, Orlando, FL, USA, April 2023.
  • T. Satake, Y. Narusue, and H. Morikawa, “An Effective Location Registration Method Under Many User Equipments in IoT,” Proc. 2022 Asia-Pacific Network Operations and Management Symposium , pp.1-4, Takamatsu, Japan, Sept. 2022.
  • D. Kobuchi, J. Ahn, Y. Narusue, and H. Morikawa, “Z-Parameter Estimation for Multiple-Input Multiple-Output Wireless Power Transfer Systems via Phase Retrieval Method,” Proc. 2022 IEEE Wireless Power Week (WPW), pp.313-317, Bordeaux, France, July 2022.
  • K. Matsuura, Y. Narusue, and H. Morikawa, “Communication-Less Impedance Adjustment for Suppressing Magnetic Field Intensity of Inductive Power Transfer Systems”, Proc. 2022 Wireless Power Week (WPW), pp.614-618, Bordeaux, France, July 2022.
  • Y. Narusue, and H. Morikawa, “Magnetic Field Leakage Canceller Based on Loop Antenna Theory for Inductive Power Transfer,” 2022 Joint MMM-INTERMAG Digest, Minneapolis, MN, USA, Jan. 2022.
  • K. Matsuura, D. Kobuchi, Y. Narusue, and H. Morikawa, “Experimental Validation of Communication-Less Receiver-Side Resonant Frequency Tuning for Magnetic Resonant Wireless Power Transfer Systems,” Proc. AWPT2021, Kuala Lumpur, Malaysia, Dec. 2021.
  • R. Kondo, B. Du, Y. Narusue, H. Morikawa, “Prioritized Sampling on Knowledge Distillation for Nowcasting Pluvial Flood Prediction,” Proc. IEEE International Workshop on Big Spatial Data 2021, Orlando, FL, USA, Dec. 2021.
  • Y. Narusue, and H. Morikawa, “Magnetic Energy Minimization for Suppressing Magnetic Field Intensity of Inductive Power Transfer Systems,” IEEE INTERMAG 2021 Digest, Lyon, France, April 2021.
  • K. Matsuura, D. Kobuchi, Y. Narusue, and H. Morikawa, “Communication-Less Receiver-Side Resonant Frequency Tuning Method for Magnetically Coupled Wireless Power Transfer Systems,” Proc. IEEE RWS 2021, San Diego, CA, USA, Jan. 2021.
  • Y. Narusue, S. Jaewon, and H. Morikawa, “Asymmetric Rectification for Inductor-Less Load Impedance Conversion in Wireless Power Transfer Systems,” Proc. AWPT 2020, Taipei, Taiwan, Dec. 2020.
  • Y. Nishizawa, T. Sasatani, M. Ishige, Y. Narusue, T. Umedachi, and Y. Kawahara, “Ramus: A Frequency-Multiplexed Power Bus for Powering, Sensing and Controlling Robots,” Proc. IEEE RoboSoft 2020, New Haven, CT, USA, Dec. 2020.
  • R. Takhashi, M. Fukumoto, C. Han, T. Sasatani, Y. Narusue, and Y. Kawahara, “TelemetRing: A Batteryless and Wireless Ring-shaped Keyboard using Passive Inductive Telemetry,’’ Proc. UIST 2020, Online, Oct. 2020.
  • R. Kondo, Y. Narusue, and H. Morikawa, “A Pluvial Flood Nowcasting Approach using Knowledge Distillation,” Proc. IEEE GCCE 2020, Kobe, Japan, Oct. 2020.
  • D. Kobuchi, K. Matsuura, Y. Narusue, and H. Morikawa, “Transmitter Control for Harmonics Reduction in Inductive Power Transfer System,” Proc. IEEE GCCE 2020, Kobe, Japan, Oct. 2020.
  • H. Qiu, Y. Narusue, Y. Kawahara, T. Sakurai, and M. Takamiya, “ Distance Detection System for Digital Transmitter Coil Achieving Distance-Variation-Tolerant Wireless Power Transfer,” Proc. 2019 IEEE SPEC, pp.1-6, Santos, Brazil, Dec. 2019.
  • M. Almashan, Y. Narusue, H. Morikawa, “A Decision Tree Regression Modeling Scheme for Estimating the PVT Properties of Kuwaiti Crude Oil Systems Using Incomplete Datasets,” Proc. SPE ADIPEC 2019, pp.1-8, Abu Dabi, UAE, Nov. 2019.
  • M. Almashan, Y. Narusue, H. Morikawa, “Estimating PVT Properties of Crude Oil Systems Based on a Boosted Decision Tree Regression Modelling Scheme with K-Means Clustering,” Proc. SPE/ITAMI APOGCE 2019, pp.1-14, Bali, Indonesia, Oct. 2019.
  • H. Hayashi, T. Sasatani, Y. Narusue, and Y. Kawahara, “Design of Wireless Power Transfer Systems for Personal Mobility Devices in City Spaces,” Proc. IEEE VTC2019-Fall, pp.1-5, Honolulu, HI, USA, Sept. 2019.
  • D. Kobuchi, Y. Narusue, Y. Kawahara, and H. Morikawa, “A Transmitter Array Control Method for Suppressing Magnetic Field Leakage from Wireless Power Transfer Systems,” Proc. IEEE VTC2019-Fall, pp.1-5, Honolulu, HI, USA, Sept. 2019.
  • B. Du, A. Yasuda, Y. Furusawa, Y. Narusue, N. Nishihara, K. Indo, H. Morikawa and M. Iida, “Evaluation of Anomaly Detection Method of Wind Turbines Using Large-scale SCADA Data,” Proc. PHMAP 2019, pp.1-9, Beijing, China, July 2019.
  • H. Suetsugu, Y. Narusue, H. Morikawa, “A Reinforcement Learning Approach for Joint Replenishment Policy in Multi-Product Inventory System,” RL4RealLife Workshop in ICML 2019, June 2019.
  • Y. Narusue, M. Fujishiro, Y. Kawahara, and H. Morikawa, “Current Distribution Analysis for Automatic Resonator Design in Wireless Power Transfer,” Proc. IEEE WPTC 2019, pp.136-140, London, UK, June 2019.
  • Y. Hokazono, K. Hasegawa, Y. Narusue, and H. Morikawa, “Long-Range Flicker-Free LED-to-Camera Communication using Differential Color Shift Keying,” Proc. IEEE ICC 2019, pp.1-7, Shanghai, China, May 2019.
  • D. Kobuchi, K. Matsuura, Y. Narusue, S. Yoshida, K. Nishikawa, and S. Kawasaki, “Smart Wireless Sensor System by Microwave Powering for Space-by-Wireless,” Proc. IEEE IMS 2019, pp.1144-1147, Boston, MA, USA, May 2019.
  • H. Suetsugu, Y. Narusue, and H. Morikawa, “Joint Replenishment Policy in Multi-Product Inventory System using Branching Deep Q-Network with Reward Allocation,” Proc. PDPTA’19, pp.115-121, Las Vegas, NV, USA, July 2019.
  • Y. Nakayama, M. Mori, Y. Narusue, and H. Morikawa, “The Process Discovery Approaches for Decision Making in Sales Activities,” Proc. SCIS&ISIS 2018, pp.1394-1399, Toyama, Japan, Dec. 2018.
  • M. Fujishiro, Y. Narusue, Y. Kawahara, and H. Morikawa, “Resonator Design Support by Deriving Suboptimal Current Distribution for Magnetically Coupled Wireless Power Transfer,” Proc. AWPT 2018, pp.1-4, Sendai, Japan, Nov. 2018.
  • K. Sumiya, T. Sasatani, Y. Nishizawa, K. Tsushio, Y. Narusue, Y. Kawahara, “Demo: A Reconfigurable 2-D Wireless Charging System,” Proc. ACM Ubicomp 2018, pp.452-455, Singapore, Oct. 2018. (Demo)
  • R. Takahashi, T. Sasatani, F. Okuya, Y. Narusue, and Y. Kawahara, “Demo: Design of Cuttable Wireless Power Transfer Sheet,” Proc. ACM Ubicomp 2018, pp.456-459, Singapore, Oct. 2018. (Demo)
  • H. Qiu, Y. Narusue, Y. Kawahara, T. Sakurai, and M. Takamiya, “Digital Coil: Transmitter Coil with Programmable Radius for Robust Wireless Powering,” Proc. 2018 IEEE WPTC, pp.1-4, Montreal, Canada, June 2018.
  • T. Sasatani, Y. Narusue, and Y. Kawahara, “Dynamic Complex Impedance Tuning Method Using a Multiple-Input DC/DC Converter for WPT,” Proc. 2018 IEEE WPTC, pp.1-4, Montreal, Canada, June 2018.
  • C.H. Liao, T. Sakdejayont, M. Suzuki, Y. Narusue, and H. Morikawa, “Competition: Wireless-Transparent Sensing Platform,” Proc. 2018 ACM EWSN, pp.221-222, Madrid, Spain, Feb. 2018. (Demo)
  • G. Zhu, C.H. Liao, M. Suzuki, Y. Narusue, and H. Morikawa, “Evaluation of LoRa Receiver Performance under Co-Technology Interference,” Proc. 2018 IEEE CCNC, pp.1-7, Las Vegas, NV, USA, Jan. 2018.
  • Y. Nishizawa, Y. Narusue, and Y. Kawahara, “Enhancing the Quality Factor of Thin Film Printed Coils for Efficient Wireless Power Transfer,” Proc. 2018 IEEE RWS, pp.193-195, Austin, TX, USA, Jan. 2018.
  • T. Sasatani, Y. Narusue, Y. Kawahara, and T. Asami, “DC-Based Impedance Tuning Method Using Magnetic Saturation for Wireless Power Transfer,” Proc. 2017 IEEE WPTC, pp.1-4, Taipei, Taiwan, May 2017.
  • Y. Narusue, Y. Kawahara, “Distributed Reactance Compensation for Printed Spiral Coils in Wireless Power Transfer,” Proc. 2017 IEEE WPTC, pp.1-4, Taipei, Taiwan, May 2017.
  • Y. Narusue, Y. Kawahara, and T. Asami, “Multiple-Half-Wave Resonator for Wireless Power Transfer Using Magnetic Resonant Coupling,” Proc. 2017 IEEE ICCEM, Kumamoto, Japan, Mar. 2017. (Invited)
  • A. Hashizume, Y. Narusue, Y. Kawahara, and T. Asami, “Receiver Localization for a Wireless Power Transfer System with a 2D Relay Resonator Array,” Proc. 2017 IEEE ICCEM, Kumamoto, Japan, Mar. 2017.
  • T. Iizuka, Y. Narusue, Y. Kawahara, and T. Asami, “A Planning Simulation Tool for Energy Harvesting Applications,” Proc. EAI MUSICAL 2016, Hiroshima, Japan, Nov. 2016.
  • T. Iizuka, Y. Narusue, Y. Kawahara, and T. Asami, “Planning Simulation Tool for Designing Energy Harvesting Applications,” Proc. ACM UbiComp 2016, pp.289-292, Heidelberg, Germany, Sept. 2016. (Demo)
  • T. Hashizume, T. Sasatani, K. Narumi, Y. Narusue, Y. Kawahara, and T. Asami, “Passive and Contactless Epidermal Pressure Sensor Printed with Silver Nano-particle Ink,” Proc. ACM Ubicomp 2016, pp.190-195, Heidelberg, Germany, Sept. 2016.
  • Y. Narusue, A. Hashizume, X. Shi, T. Sasatani, and Y. Mizutani, “Indoor Wireless Power Transfer,” 2016 TECO Green Tech Contest, Taipei, Taiwan, Aug. 2016. (Demo)
  • T. Sasatani, Y. Narusue, Y. Kawahara, and T. Asami, “Genetic Algorithm-Based Design of Receiving Resonator Arrays for Wireless Power Transfer via Magnetic Resonant Coupling,” Proc. 2016 IEEE WPTC, pp.1-4, Aveiro, Portugal, May 2016.
  • S. Kodera, Y. Narusue, Y. Kawahara, T. Watanabe, and S. Saruwatari, “Poster: A Medium Access Control Protocol for Full-duplex Wireless Information and Power Transfer,” Proc. 13th ACM Sensys, pp.399-400, Seoul, South Korea, Nov. 2015. (Poster)
  • Y. Kawahara, and Y. Narusue, “Wireless Power Transmission Methods for Internet of Things,” Proc. 2015 IEEE APS/URSI, TU-SP.2A.1, Vancouver, Canada, July 2015.
  • X. Shi, Y. Narusue, Y. Kawahara, and T. Asami, “Rapid Antenna Prototyping Method by Evolutionally Computation and Inkjet Printing,” Proc. IEEE IMWS-AMP 2015, pp.1-3, Suzhou, China, Jul. 2015.
  • Y. Narusue, Y. Kawahara, and T. Asami, “Maximum Efficiency Point Tracking by Input Control for a Wireless Power Transfer System with a Switching Voltage Regulator,” Proc. 2015 IEEE WPTC, pp.1-4, Boulder, CO, USA, May 2015.
  • Y. Narusue, Y. Kawahara, and T. Asami, “Cancellation Mechanism of Electromagnetic Leakage for Wireless Power Transmission Using Magnetic Resonant Coupling,” Proc. 2014 APMC, pp.677-679, Sendai, Japan, Nov. 2014. (Invited)
  • R. Kobayashi, Y. Narusue, W. Wei, Y. Kawahara, and T. Asami, “Performance Evaluation of Multilevel ASK Communication for a Multi-Hop Wireless Resonance System,” Proc. 2014 IEEE WPTC, pp.76-79, Jeju, Korea, May 2014.
  • Y. Kawahara, W. Wei, Y. Narusue, R. Shigeta, and T. Asami, “Virtualizing Power Cords by Wireless Power Transmission and Energy Harvesting,” Proc. 2013 IEEE RWS, pp.37-39, Austin, TX, USA, Jan. 2013.
  • Y. Narusue, Y. Kawahara, and T. Asami, “Impedance Matching Method for Any-Hop Straight Wireless Power Transmission Using Magnetic Resonance,” Proc. 2013 IEEE RWS, pp.193-195, Austin, TX, USA, Jan. 2013.