Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663440 | Diamino compounds and methods for preparing them | Toshiya Sawai, Seiji Oikawa, Masaaki Yazawa, Shizuo Murata, Etsuo Nakagawa +1 more | 1997-09-02 |
| 5648825 | Phase inversion control pulse generating circuit | Akira Kanai, Masaki Yamakawa, Shoichi Sugihara, Kiyotaka Yamamoto, Masafumi Kodama +1 more | 1997-07-15 |
| 5596348 | Input apparatus | — | 1997-01-21 |