Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698691 | Condensed cyclic compounds and their use | Ryuichi Tozawa, Yasuo Sugiyama, Masakuni Kori | 1997-12-16 |
| 5677298 | Benzoxazepine-2-one compounds and their use | Masakuni Kori, Ryuichi Tozawa, Yasuo Sugiyama | 1997-10-14 |