Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343067 | High breakdown voltage semiconductor device | Akio Nakagawa, Tomoko Matsudai | 1994-08-30 |
| 5315134 | Thyristor with insulated gate | Tsuneo Ogura, Kiminori Watanabe, Akio Nakagawa, Yoshihiro Yamaguchi, Tomoko Matsudai | 1994-05-24 |
| 5294825 | High breakdown voltage semiconductor device | Akio Nakagawa | 1994-03-15 |