Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342841 | Xanthine derivatives | Fumio Suzuki, Junichi Shimada, Akira Karasawa, Hideaki Mizumoto, Hiroshi Kase | 1994-08-30 |
| 5290782 | Xanthine derivatives | Fumio Suzuki, Junichi Shimada, Akio Ishii, Tetsuji Ohno, Akira Karasawa +1 more | 1994-03-01 |