Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4914093 | Pyridazinone derivatives, their preparation and use | Yasuhiro Morisawa, Mitsuru Kataoka, Hiroyuki Koike, Shinsaku Kobayashi | 1990-04-03 |
| 4716162 | Fused 5 ring heterocyclic compounds, their preparation, and their anti-arrhythmic and diuretic use | Kuniyuki Tomita, Yasuo Shimoji, Hiroyuki Koike, Nobuyoshi Iwata, Yasuhiro Morisawa | 1987-12-29 |