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