Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5955481 | Pyridine type thiazolidines | Yoshio Ohara, Mikio Suzuki, Nobuhide Miyachi, Katsuhiro Kato, Keisuke Ohdoi +3 more | 1999-09-21 |
| 5929074 | Pyridazinone derivatives with pharmaceutical activity | Keizo Tanikawa, Akira Saito, Mitsuaki Hirotsuka | 1999-07-27 |
| 5728702 | Pyridazinone derivatives with pharmaceutical activity | Keizo Tanikawa, Akira Saito, Mitsuaki Hirotsuka | 1998-03-17 |
| 5318968 | 5-heteroarylamino-6-oxy-substituted 3(2H)-pyridazinones | Keizo Tanikawa, Akira Saito, Takashi Matsumoto, Ryozo Sakoda, Nobutomo Tsuruzoe | 1994-06-07 |
| 5314883 | 5-heteroarylamino-6-oxy-substituted 3(2H)-pyridazinones | Keizo Tanikawa, Akira Saito, Takashi Matsumoto, Ryozo Sakoda, Nobutomo Tsuruzoe | 1994-05-24 |
| 5202323 | 5-arylmethylamino-6-oxy-substituted 3(2H)-pyridazinones | Keizo Tanikawa, Akira Saito, Takashi Matsumoto, Ryozo Sakoda, Nobutomo Tsuruzoe | 1993-04-13 |
| 5098900 | 3(2H)pyridazinone, process for its preparation and anti-allergic agent containing it | Motoo Mutsukado, Keizo Tanikawa, Ryozo Sakoda | 1992-03-24 |
| 4978665 | 3(2H)pyridazinone, and antagonistic agent against SRS-A containing it | Keizo Tanikawa, Ryozo Sakoda, Sakuya Tanaka | 1990-12-18 |
| 4892947 | 3(2H)Pyridazinone, process for its preparation and anti-allergic agent containing it | Motoo Mutsukado, Keizo Tanikawa, Ryozo Sakoda | 1990-01-09 |
| 4783462 | 3(2H)pyridazinone, and anti-allergic agent containing it | Motoo Mutsukado, Keizo Tanikawa, Ryozo Sakoda | 1988-11-08 |