Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739333 | Sulfonamide derivative and process for preparing the same | Koichiro Yamada, Kosuke Yasuda, Kohei Kikkawa | 1998-04-14 |
| 5728706 | Benzenesulfonamide derivative and process for preparing thereof | Koichiro Yamada, Kosuke Yasuda, Kohei Kikkawa | 1998-03-17 |
| 5589478 | Benzenesulfonamide derivative and process for preparing thereof | Koichiro Yamada, K osuke Yasuda, Kohei Kikkawa | 1996-12-31 |