Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221674 | Pyridazinone derivatives | Kikuo Yasuda, Kenyu Shibata, Nobuyoshi Minami, Masafumi Shiraiwa, Tomio Nakao +4 more | 1993-06-22 |
| 5130314 | Carbostyril substituted pyridazinones | Kikuo Yasuda, Kenyu Shibata, Nobuyoshi Minami, Masafumi Shiraiwa, Tomio Nakao +4 more | 1992-07-14 |
| 5082844 | Pyridazinone derivatives | Kikuo Yasuda, Kenyu Shibata, Nobuyoshi Minami, Masafumi Shiraiwa, Tomio Nakao +4 more | 1992-01-21 |
| 4843072 | Antihypertensive pyridazinone aminoisopropanol derivatives | Kikuo Yasuda, Kenyu Shibata, Seijiro Honma, Kohichi Hasumi, Takeshi Masuda +4 more | 1989-06-27 |
| 4599333 | Hydrazinopyridazine compound, process for production thereof, and use thereof as medicament | Kikuo Yasuda, Takayuki Takezaki, Rikio Ohuchi, Hiroshi Ohuyabu, Yoshitaka Tanimoto +4 more | 1986-07-08 |