Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5489863 | Reset circuit | — | 1996-02-06 |
| 5347012 | Naphthothiopyranone derivatives | Tatsuhiko Sano, Sadakazu Yokomori, Yoshimoto Nakashima, Katsuo Hatayama | 1994-09-13 |
| 5089654 | Chalcone derivatives | Sadakazu Yokomori, Tohru Matsunaga, Yoshimoto Nakashima, Katsuo Hatayama | 1992-02-18 |