Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9065357 | Power conversion circuit | — | 2015-06-23 |
| 8836258 | Inverter device, motor driving device, refrigerating air conditioner, and power generation system | Koichi Arisawa, Hirokazu Nakabayashi, Takuya Shimomugi, Yosuke Shinomoto, Kazunori Sakanobe | 2014-09-16 |
| 8716986 | Power conversion circuit | — | 2014-05-06 |
| 8471535 | Large current handling capable semiconductor switching device with suppression of short circuit damage and recovery current switching loss | Masayuki Kora | 2013-06-25 |
| 6734497 | Insulated gate bipolar transistor, semiconductor device, method of manufacturing insulated-gate bipolar transistor, and method of manufacturing semiconductor device | Hideki Takahashi, Yoshifumi Tomomatsu | 2004-05-11 |
| 6680835 | Semiconductor device | — | 2004-01-20 |
| 5432471 | Insulated gate semiconductor device | Gourab Majumdar, Shinji Hatae, Takashi Marumo | 1995-07-11 |