Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871765 | Amine derivative and its salt and anti-ulcer agent containing the same | Shiro Hirai, Hiroshi Hirano, Hirotoshi Arai, Hisanari Shibata, Yoshikazu Kusayanagi | 1989-10-03 |