Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882338 | Substituted isoquinoline derivatives and anti-ulcer agents | Kentaro Hirai | 1989-11-21 |
| 4840953 | 9-(Substituted thio)-4H-pyrido[1,2,-A]pyrimidin-4-one derivatives | Shigeru Matsutani, Masami Doteuchi, Yasunobu Ishihara | 1989-06-20 |
| 4839365 | Thienopyridine derivatives useful in treating gastric ulcers | Kentaro Hirai, Masami Doteuchi | 1989-06-13 |