Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5574297 | Gate turnoff thyristor with reduced gate trigger current | Nozomu Sennenbara, Kazuhiko Niwayama, Futoshi Tokunoh | 1996-11-12 |
| 5393995 | Semiconductor thyristor device with recess | Tsutomu Nakagawa, Futoshi Tokunoh | 1995-02-28 |