Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703085 | Xanthine derivatives | Nobuaki Koike, Junichi Shimada, Joji Nakamura, Shizuo Shiozaki, Shigeto Kitamura +3 more | 1997-12-30 |
| 5670498 | 8-substituted styryl xanthine derivatives | Junichi Shimada, Nobuaki Koike, Hiroshi Kase, Joji Nakamura, Shizuo Shiozaki +1 more | 1997-09-23 |
| 5646283 | Tetracyclic compound | Yoshisuke Nakasato, Hiroshi Tsumuki, Soichiro Sato, Tadafumi Tamura, Hiroshi Nakajima | 1997-07-08 |