Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5234951 | Anti-ulcer agent comprising chalcone derivative | Shigefumi Takeda, Kunio Hosaka, Hiroshi Mitsuhashi, Toshihiko Watanabe | 1993-08-10 |
| 5106871 | Anti-ulcer agent comprising chalcone derivative as effective ingredient and novel chalcone derivative | Shigefumi Takeda, Kunio Hosaka, Hiroshi Mitsuhashi, Toshihiko Watanabe | 1992-04-21 |