Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698691 | Condensed cyclic compounds and their use | Hidefumi Yukimasa, Ryuichi Tozawa, Yasuo Sugiyama | 1997-12-16 |
| 5677298 | Benzoxazepine-2-one compounds and their use | Hidefumi Yukimasa, Ryuichi Tozawa, Yasuo Sugiyama | 1997-10-14 |
| 5639781 | Alcohol or aldehyde derivatives and their use | Takashi Sohda, Yukio Fujisawa, Tsuneo Yasuma, Junji Mizoguchi, Masayuki Takizawa | 1997-06-17 |