Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990508 | Pyridone carboxylic acid derivatives and salts thereof, process for producing the same and antibacterial agents comprising the same | Hirokazu Narita, Yozo Todo, Jun Nitta, Hiroyasu Takagi, Fumihiko Iino +2 more | 1991-02-05 |
| 4717767 | 7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporins | Hiroshi Sadaki, Hiroyuki Imaizumi, Takashi Nagai, Kenji Takeda, Isao Myokan +4 more | 1988-01-05 |
| 4618606 | Antibiotic 7-(thiazolyl)-3-(pyrazinylmethyl) or (pyridazinylmethyl) cephalosporins | Hiroshi Sadaki, Hiroyuki Imaizumi, Takashi Nagai, Kenji Takeda, Isao Myokan +4 more | 1986-10-21 |