Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703085 | Xanthine derivatives | Fumio Suzuki, Nobuaki Koike, Joji Nakamura, Shizuo Shiozaki, Shigeto Kitamura +3 more | 1997-12-30 |
| 5670498 | 8-substituted styryl xanthine derivatives | Fumio Suzuki, Nobuaki Koike, Hiroshi Kase, Joji Nakamura, Shizuo Shiozaki +1 more | 1997-09-23 |