Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4543354 | Anti-hypertensive 9-aminomethyl-benzo[f]quinoline-3,10-dione derivatives | Tsuguo Ikebe, Tetsuya Tahara, Yutaka Maruyama, Osamu Yaoka | 1985-09-24 |
| 4258185 | Pyridazinone compounds | Shinro Setoguchi, Osamu Yaoka | 1981-03-24 |