Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884126 | Semiconductor device having parallel-connected, self turn-off type semiconductor elements | Eiji Harada, Hitoshi Matsuzaki, Katsunori Chida | 1989-11-28 |
| 4833587 | Semiconductor switching circuit | Shigeru Sugayama, Tadaaki Kariya, Tatsuo Shimura | 1989-05-23 |
| 4831288 | Direct parallel connection circuit of self-turn-off semiconductor elements | Katsunori Chida, Kenji Koga | 1989-05-16 |
| 4740723 | Semiconductor switch | Shigeru Sugayama, Tatsuo Shimura, Tadaaki Kariya | 1988-04-26 |
| 4728825 | Bidirectional MOS linear switch | Shigeru Sugayama, Tadaaki Kariya, Tatsuo Shimura | 1988-03-01 |