Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824851 | Pyrimidones as cardiotonic, anti hypertensive, cerebrovascular vasodilator and anti-platelet agents | Takao Takaya, Masayoshi Murata | 1989-04-25 |
| 4822805 | Pyridyl-imidazole compounds which have useful pharmaceutical activity | Hisashi Takasugi, Shigetaka Nishino, Akito Tanaka, Takao Takaya | 1989-04-18 |