Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342841 | Xanthine derivatives | Fumio Suzuki, Akira Karasawa, Hideaki Mizumoto, Hiroshi Kase, Hiromi Nonaka | 1994-08-30 |
| 5336769 | Xanthine derivatives | Fumio Suzuki, Akio Ishii, Shizuo Shiozaki | 1994-08-09 |
| 5290782 | Xanthine derivatives | Fumio Suzuki, Akio Ishii, Tetsuji Ohno, Akira Karasawa, Kazuhiro Kubo +1 more | 1994-03-01 |