Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11539237 | Uninterruptible power supply system and uninterruptible power supply | Tatsuki Ohno, Masao Takeuchi | 2022-12-27 |
| 11275124 | Abnormality cause identifying method, abnormality cause identifying device, power converter and power conversion system | Satoshi Ishida, Motohiro Tsukuta, Yasuyuki Noto | 2022-03-15 |
| 10790698 | Uninterruptible power supply system and uninterruptible power supply | — | 2020-09-29 |
| 8743571 | Distributed power supply system with harmonic signal generation for stabilization | Toshiya Yamada, Kansuke Fujii, Masaki Katoh, Motohiro Katayama | 2014-06-03 |
| 5381328 | PWM inverter control system and method | Osamu Sato | 1995-01-10 |