Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5856327 | Pyridazinone derivatives | Keizo Tanikawa, Takashi Matsumoto, Hiroo Matsumoto, Hitoshi Nakabeppu | 1999-01-05 |
| 5798357 | Agent for prophylaxis and treatment of thromboxane A.sub.2 -mediated diseases | Ruriko Ikegawa, Teruaki Imada, Norifumi Nakamura, Keizo Tanikawa | 1998-08-25 |
| 5750523 | Pyridazinone derivatives | Keizo Tanikawa, Takashi Matsumoto, Hiroo Matsumoto, Hitoshi Nakabeppu | 1998-05-12 |
| 5318968 | 5-heteroarylamino-6-oxy-substituted 3(2H)-pyridazinones | Keizo Tanikawa, Akira Saito, Takashi Matsumoto, Ryozo Sakoda, Ken-ichi Shikada | 1994-06-07 |
| 5314883 | 5-heteroarylamino-6-oxy-substituted 3(2H)-pyridazinones | Keizo Tanikawa, Akira Saito, Takashi Matsumoto, Ryozo Sakoda, Ken-ichi Shikada | 1994-05-24 |
| 5202323 | 5-arylmethylamino-6-oxy-substituted 3(2H)-pyridazinones | Keizo Tanikawa, Akira Saito, Takashi Matsumoto, Ryozo Sakoda, Ken-ichi Shikada | 1993-04-13 |
| 4746663 | Pyrazolo[4,3-d]pyrimidine derivative, process for its production, and antihyperlipidemic or antiatherosclerotic agent containing it | Yoshihiro Fujikawa, Mikio Suzuki, Mitsuaki Sakashita, Tadashi Miyasaka | 1988-05-24 |
| 4654348 | Pyrazolo[4,3-d]pyrimidine derivative, process for its production, antihyperlipidemic agent containing it, its intermediate, and process for the production of the intermediate | Yoshihiro Fujikawa, Mikio Suzuki, Mitsuaki Sakashita, Tadashi Miyasaka | 1987-03-31 |
| 4639444 | 3,5-dialkyl-4,6-diaryl-tetrahydro-2H-13,5-thiadiazine-2-thione derivative, process for its production and antihyperlipidemic agent containing it | Yoshihiro Fujikawa, Mitsuaki Sakashita | 1987-01-27 |