Issued Patents All Time
Showing 126–128 of 128 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4760431 | Gate turn-off thyristor with independent turn-on/off controlling transistors | Akio Nakagawa | 1988-07-26 |
| 4717940 | MIS controlled gate turn-off thyristor | Katsuhiko Takigami, Hiromichi Ohashi, Akio Nakagawa | 1988-01-05 |
| 4617583 | Gate turn-off thyristor | Masayuki Asaka | 1986-10-14 |