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  • Full paper

    1. W. Zhu, A. Komanaka, Y. Komiyama, K. Nguyen, and H. Sekiya, "Simultaneous Wireless Power and Data Transfer System with Reconfigurable Load-Independent Class-E Inverter," IEEE Journal of Emerging and Selected Topics in Power Electronics, 2024. (Accepted)
    2. A. Konishi, K. Onodera, Y. Komiyama, X. Wei, K. Nguyen, and H. Sekiya, "High-Frequency Load-Independent WPT System for Multiple-Receiver with LCC-S Compensators," IEEJ Journal of Industry Applications, 2024. (Accepted)
    3. H. Wan, Y. Komiyama, X. Wei, A. Konishi, K. Nguyen, and H. Sekiya, "Analysis and Design of High-Frequency Multiple-Output WPT System with Load-Independent Class-E/F Inverter," International Journal of Circuit Theory and Applications.
    4. Y. Xie, W. Zhu, Y. Komiyama, A. Komanaka, A. Konishi, X. Wei, K. Nguyen, and H. Sekiya, "Load-Independent Class-E Frequency Multipliers," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 71, no. 5, pp. 2443-2456, May 2024.
    5. Y. Komiyama, A. Komanaka, W. Zhu, A. Konishi, K. Nguyen and H. Sekiya, "Analysis and Design of Load-Independent Series Resonant Power Amplifier With Constant Current Output and Its Application for WPT System," IEEE Transactions on Power Electronics, vol. 39, no. 5, pp. 6515-6525, May 2024.
    6. Y. Komiyama, A. Komanaka, H. Ota, Y. Ito, T. Mishima, T. Uematsu, A. Konishi, W. Zhu, K. Nguyen, and H. Sekiya, "Analysis and Design of High-Frequency WPT System Using Load-Independent Inverter With Robustness Against Load Variations and Coil Misalignment," IEEE Access, vol. 12, pp. 23043-23056, 2024.
    7. W. Zhu, Y. Komiyama, A. Komanaka, K. Nguyen and H. Sekiya, "Analysis of Load-Independent ZCS Parallel-Resonant Inverter With Constant Current," IEEE Transactions on Industrial Electronics, vol. 71, no. 9, pp. 10433-10443, Sept. 2024.
    8. H. Sekiya, K. Tokano, W. Zhu, Y. Komiyama and K. Nguyen, "Design Procedure of Load-Independent Class-E WPT Systems and Its Application in Robot Arm," IEEE Transactions on Industrial Electronics, vol. 70, no. 10, pp. 10014-10023, Oct. 2023.
    9. Y. Komiyama, S. Matsuhashi, W. Zhu, T. Mishima, Y. Ito, T. Uematsu, K. Nguyen, and H. Sekiya, "Wireless Power Transfer System with Load-Independent Inverse Class-E Oscillator" IEICE Nonlinear Theory and Its Application, vol. E13-N, no.2, pp.465-470, Apr. 2022.
    10. Y. Komiyama, S. Matsuhashi, W. Zhu, T. Mishima, Y. Ito, T. Uematsu, K. Nguyen, and H. Sekiya, "Frequency-Modulation Controlled Load-Independent Class-E Inverter," IEEE Access, vol. 9, pp. 144600-144613, 2021.
    11. W. Zhu, Y. Komiyama, K. Nguyen and H. Sekiya, "Comprehensive and Simplified Numerical Design Procedure for Class-E Switching Circuits," IEEE Access, vol. 9, pp. 149971-149981, 2021.

  • Peer-reviewed conference paper

    1. T. Kobayashi, Y. Komiyama, A. Konishi, H. Ota, Y. Ito, T. Mishima, T. Uematsu, K. Nguyen, and H. Sekiya, "Analysis and Design of Capacitive Coupling Wireless Power Transfer System Using Load-Independent Class-EF Inverter," IEEE Applied Power Electronics Conference and Exposition (APEC), Atlanta, GA, USA, 2025.
    2. Y. Xie, W. Zhu, Y. Komiyama, A. Komanaka, A. Konishi, K. Nguyen, and H. Sekiya, "Design of Dual-Frequency Rectifier in Wireless Power Transfer Systems," International Conference on Renewable Energy Research and Application (ICRERA), Nov. 2024.
    3. Y. Komiyama, W. Zhu, A. Konishi, K. Nguyen, and H. Sekiya, "Design of Self-Oscillating Class-E Inverter", Taiwan and Japan Conference on Circuit and Systems (TJCAS), Kumamoto, Aug. 2024.
    4. Y. Komiyama, W. Zhu, A. Konishi, K. Nguyen, and H. Sekiya, "Design of Load-Independent Class-Φ3 Resonant Inverter", 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, AZ, USA.
    5. W. Zhu, A. Komanaka, Y. Komiyama, K. Nguyen, and H. Sekiya, "Load-independent Class-E Inverter with ASK Modulation", 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, AZ, USA.
    6. Y. Komiyama, W. Zhu, A. Konishi, K. Nguyen, and H. Sekiya, "Design of Class-Φ3 Power Oscillator", 2024 IEEE International Symposium on Circuits and Systems (ISCAS), May 2024.
    7. A. Konishi, K. Onodera, Y. Komiyama, K. Nguyen, H. Sekiya and X. Wei, "Load-Independent Multiple Output WPT System With Fixed Coupling Coils," 2023 20th International SoC Design Conference (ISOCC), Jeju, Korea, Republic of, 2023, pp. 165-166.
    8. W. Zhu, A. Komanaka, Y. Komiyama, X. Wei, K. Nguyen and H. Sekiya, "Reconfigurable Class-E/EF Load-independent Inverter With CC-CV Output," 2023 IEEE Energy Conversion Congress and Exposition (ECCE), Nashville, TN, USA, 2023, pp. 2307-2312.
    9. H. Wang, Y. Komiyama, A. Konishi, K. Nguyen, H. Sekiya and X. Wei, "Load-Independent High-Frequency WPT System for Multiple Receivers with Single Transmitter," IECON 2023- 49th Annual Conference of the IEEE Industrial Electronics Society, Singapore, Singapore, 2023, pp. 1-6.
    10. Y. Hirama, A. Komanaka, Y. Komiyama, W. Zhu, K. Nguyen, X. Wei, H. Sekiya, "Simulator-Based Optimization Software for High-Frequency Power-Electronics Circuits," 2023 IEEE International Symposium on Circuits and Systems (ISCAS), Monterey, CA, USA, 2023, pp. 1-5.
    11. Y. Komiyama, W. Zhu, A. Komanaka, K. Nguyen, H. Sekiya and X. Wei, "Self-Tuned Series Resonant Power Oscillator with Load-independent Operation," 2023 IEEE International Symposium on Circuits and Systems (ISCAS), Monterey, CA, USA, 2023, pp. 1-5.
    12. Y. Komiyama, W. Zhu, K. Nguyen and H. Sekiya, "Load-Independent Constant-Current/Zero-Current Switching Inverter with Series Resonant Filter," 2023 IEEE Applied Power Electronics Conference and Exposition (APEC), Orlando, FL, USA, 2023, pp. 490-494.
    13. T. Matsuda, Y. Komiyama, W. Zhu, K. Nguyen and H. Sekiya, "Maximum Efficiency Tracking for Wireless Power Transfer with Multiple Receivers," 2022 19th International SoC Design Conference (ISOCC), Gangneung-si, Korea, Republic of, 2022, pp. 227-228.
    14. W. Zhu, Y. Komiyama, K. Nguyen and H. Sekiya, "Achievement of CV and CC Output Modes on Class-E/F Inverter with One Auxiliary Switch," 2022 IEEE International Symposium on Circuits and Systems (ISCAS), Austin, TX, USA, 2022, pp. 2635-2639.
    15. W. Zhu, Y. Komiyama, K. Nguyan and H. Sekiya, "PSO-based Design Procedure for Class-DE Inverter," 2021 18th International SoC Design Conference (ISOCC), Jeju Island, Korea, Republic of, 2021, pp. 173-174.
    16. Y. Komiyama, S. Matsuhashi, W. Zhu, K. Nguyen and H. Sekiya, "Load-Independent Inverse Class-E Oscillator with Armstrong-Oscillator Based Topology," 2021 18th International SoC Design Conference (ISOCC), Jeju Island, Korea, Republic of, 2021, pp. 175-176.
    17. W. Zhu, Y. Komiyama, K. Nguyen and H. Sekiya, "Heuristic Algorithm-Based Design Method for Class-E Switching Circuits," 2021 IEEE Energy Conversion Congress and Exposition (ECCE), Vancouver, BC, Canada, 2021, pp. 5692-5697.
    18. Y. Komiyama, W. Zhu, K. Nguyen and H. Sekiya, "Class-E Inverter with Frequency Modulation Control," 2021 10th International Conference on Renewable Energy Research and Application (ICRERA), Istanbul, Turkey, 2021, pp. 94-98.

  • Awards

    1. Outstanding Excellence Award at Chiba University, 2025
    2. Outstanding Excellence Award at Graduate School of Science and Engineering, Chiba University, 2025
    3. Best Paper Award of Taiwan and Japan Conference on Circuits and Systems 2024.
    4. IEEE Circuits and Systems Society Student Travel Grants in 2024.
    5. Outstanding Excellence Award at Chiba University, 2023
    6. Outstanding Excellence Award at Graduate School of Science and Engineering, Chiba University, 2023
    7. 公益財団法人 電気通信普及財団 2023年2月期海外渡航旅費援助
    8. IEEE Circuits and Systems Society Student Travel Grants in 2023.
    9. Student Paper Award of International Workshop on Nonlinear Circuits, Communications and Signal Processing 2023.
    10. Best Paper Award of International Conference on Renewable Energy Research and Application 2021.
    11. 2021年度 電子情報通信学会 電子通信エネルギー技術研究会 若手エンジニア論文発表賞
© Copyright Yutaro Komiyama.
No reproduction or republication without written permission.