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Dive into the research topics where Kazuhiro Umetani is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
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3D-Matrix Inductor-Transformer With Fractional-Turn Interleaving in a CLLC Resonant Converter for Bidirectional Onboard Chargers
Wouters, H., Vanderwegen, W., Keibeck, C., Ryłko, M., Umetani, K. & Martinez, W., Feb 2026, In: IEEE Journal of Emerging and Selected Topics in Power Electronics. 14, 1, p. 42-59 18 p.Research output: Contribution to journal › Article › peer-review
Open Access2 Link opens in a new tab Citations (Scopus) -
Multiple Transmitters with Controlled Amplitude and Phase of Transmitter Currents to Eliminate Cross-Interference Effects for Large-Area Wireless Power Transfer Systems
Ishihara, M., Matsuura, K., Konishi, A., Umetani, K. & Hiraki, E., 2026, In: IEEJ Journal of Industry Applications. 15, 3, p. 385-396 12 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Analysis Method for Turn-off Oscillation Considering Turn-off Voltage
Okada, K., Choi, S., Umetani, K., Imaoka, J., Yamamoto, M., Takase, H., Yoon, J. & Nishi, H., 2025, 14th International Conference on Renewable Energy Research and Applications, ICRERA 2025. Institute of Electrical and Electronics Engineers Inc., p. 1795-1800 6 p. (14th International Conference on Renewable Energy Research and Applications, ICRERA 2025).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
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A Novel Soft-Switching Inverter using Auxiliary Power Supply for Capacitive Load High Voltage and High Frequency Applications
Hiraoka, K., Umetani, K., Ishihara, M., Shimomura, K. & Hiraki, E., 2025, 2025 IEEE Energy Conversion Congress and Exposition Asia: Shaping a Greener Future with Power Electronics, ECCE-Asia 2025. Institute of Electrical and Electronics Engineers Inc., (2025 IEEE Energy Conversion Congress and Exposition Asia: Shaping a Greener Future with Power Electronics, ECCE-Asia 2025).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
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Development of Wireless Communicator for Receiver Current Phase Control in 6.78MHz Resonant Inductive Coupling Wireless Power Transfer
Kato, K., Ishihara, M., Umetani, K. & Hiraki, E., 2025, 2025 IEEE International Communications Energy Conference, INTELEC 2025. Institute of Electrical and Electronics Engineers Inc., p. 16-21 6 p. (INTELEC, International Telecommunications Energy Conference (Proceedings)).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution