Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845228 | Pyridyl-cyclohexanone compounds | — | 1989-07-04 |
| 4824952 | Isoquinoline derivative | Kunio Sannohe, Toshihiko Ito, Masahiko Maruyama, Joji Kamiya, Makoto Hirayama +2 more | 1989-04-25 |