Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689121 | Insulated-gate semiconductor device | Mitsuhiko Kitagawa, Akio Nakagawa, Norio Yasuhara, Tomoki Inoue | 1997-11-18 |
| 5640040 | High breakdown voltage semiconductor device | Akio Nakagawa, Norio Yasuhara, Tomoko Matsudai, Yoshihiro Yamaguchi, Hideyuki Funaki | 1997-06-17 |
| 5637909 | Semiconductor device and method of manufacturing the same | Hiroomi Nakajima, Yasuhiro Katsumata, Hiroshi Iwai, Toshihiko Iinuma, Kazumi Inou +3 more | 1997-06-10 |
| 5592014 | High breakdown voltage semiconductor device | Hideyuki Funaki, Akio Nakagawa, Norio Yasuhara, Tomoko Matsudai, Yoshihiro Yamaguchi | 1997-01-07 |