Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843075 | Benzothiopyrano[4,3-c]pyridazine compounds, methods for preparing said compounds and uses of said compounds | Toru Nakao, Minoru Kawakami, Yasuto Morimoto, Tetsuya Tahara | 1989-06-27 |