Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12126329 | Driving circuit | Keiichirou Numakura, Akinori Okubo | 2024-10-22 |
| 11916469 | Resonant power conversion device | Keiichiro Numakura, Akinori Okubo | 2024-02-27 |
| 11342841 | Method for controlling resonance-type power converter, resonance-type power converter, and DC-DC converter | Toshihiro Kai, Shigeharu Yamagami, Tetsuya Hayashi, Yusuke Zushi | 2022-05-24 |
| 11146163 | Switching device and method for controlling switching device | Tetsuya Hayashi, Akinori Okubo, Daiki Sato, Yuichi Iwasaki | 2021-10-12 |
| 10476495 | Drive device | Tetsuya Hayashi, Akinori Okubo, Yuichi Iwasaki | 2019-11-12 |
| 10305371 | Power supply control apparatus and method thereof | Tetsuya Hayashi, Dai Tsugawa, Takayuki IKARI | 2019-05-28 |
| 10230294 | Power conversion device with gate drive circuit | Yusuke Zushi, Tatsuhiro Suzuki, Keiichiro Numakura, Tetsuya Hayashi | 2019-03-12 |
| 9252261 | Semiconductor device and manufacturing method of the same | Shigeharu Yamagami, Tetsuya Hayashi | 2016-02-02 |