Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11539361 | Semiconductor device signal transmission circuit for drive-control, method of controlling semiconductor device signal transmission circuit for drive-control, semiconductor device, power conversion device, and electric system for railway vehicle | Toru Masuda, Seiichi Hayakawa, Takae Shimada, Takashi Wada | 2022-12-27 |
| 11496041 | Gate drive device, gate drive method, power semiconductor module, and electric power conversion device | Daisuke IKARASHI, Toru Masuda, Seiichi Hayakawa, Masamitsu Inaba | 2022-11-08 |
| 5635734 | Insulated gate type semiconductor device in which the reliability and characteristics thereof are not deteriorated due to pressing action and power inverter using the same | Hideo Kobayashi, Shuroku Sakurada, Hidekatsu Onose | 1997-06-03 |
| 5459338 | Gate turn-off thyristor and power convertor using the same | Susumu Murakami, Yukimasa Satou, Satoshi Matsuyoshi, Yasuhiro Mochizuki, Hidekatsu Onose | 1995-10-17 |