Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12355377 | Adjustable speed generator motor system with full power converter | Akira Bando, Takahiko Kikui, Kenta Watanabe, Yasuhiro Kiyofuji, Masakazu Ishikawa +3 more | 2025-07-08 |
| 9917534 | Power conversion device with a plurality of series circuits | Shigenori Inoue, Shuji Katoh, Tetsuya Kato | 2018-03-13 |
| 9573489 | Control device for railway power conditioner and control system for railway power conditioner | Yasuhiro Nakatsuka, Yasuhiro Imazu, Osamu Sakuchi, Masaya Ichinose, Yasuhiro Kiyofuji +6 more | 2017-02-21 |
| 9461560 | Power conversion device with a plurality of series circuits | Shigenori Inoue, Shuji Katoh, Tetsuya Kato | 2016-10-04 |
| 8792261 | Power conversion device | Shigenori Inoue, Shuji Katoh, Tetsuya Kato | 2014-07-29 |