Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689121 | Insulated-gate semiconductor device | Mitsuhiko Kitagawa, Ichiro Omura, Akio Nakagawa, Tomoki Inoue | 1997-11-18 |
| 5640040 | High breakdown voltage semiconductor device | Akio Nakagawa, Tomoko Matsudai, Yoshihiro Yamaguchi, Ichiro Omura, Hideyuki Funaki | 1997-06-17 |
| 5592014 | High breakdown voltage semiconductor device | Hideyuki Funaki, Akio Nakagawa, Tomoko Matsudai, Yoshihiro Yamaguchi, Ichiro Omura | 1997-01-07 |