Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4786959 | Gate turn-off thyristor | Yoshiteru Shimizu, Takahiro Nagano, Shuroku Sakurada | 1988-11-22 |
| 4607273 | Power semiconductor device | Shuroku Sakurada, Hitoshi Matsuzaki, Yasuhiko Ikeda | 1986-08-19 |