Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4792838 | Gate turn-off thyristor | Kouki Matsuse, Yoshisuke Takita | 1988-12-20 |
| 4667215 | Semiconductor device | Takayasu Kawamura | 1987-05-19 |
| 4651188 | Semiconductor device with specifically oriented control layer | Takayasu Kawamura | 1987-03-17 |