Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645769 | 1-oxa-1-dethia-cephalosporin compounds and antibacterial agent comprising the same | Seiji Shibahara, Tsuneo Okonogy, Yasushi Murai, Shunzo Fukatsu, Taro Niida +1 more | 1987-02-24 |
| 4556513 | Process for the production of antibiotic 1-oxadethiacephalosporins, and intermediate | Seiji Shibahara, Tsuneo Okonogi, Yasushi Murai, Shunzo Fukatsu, Taro Niida | 1985-12-03 |
| 4534898 | 1-Oxa-1-dethia-cephalosporin derivatives | Seiji Shibahara, Tsuneo Okonogi, Yasushi Murai, Shunzo Fukatsu, Taro Niida +1 more | 1985-08-13 |
| 4497811 | 1-Oxadethiacephalosporin compound and antibacterial agent containing the _same | Seiji Shibahara, Tsuneo Okonogi, Yasushi Murai, Shunzo Futkatsu, Taro Niida | 1985-02-05 |
| 4472576 | Processes for the production of antibiotic 1-oxadethiacephalosporins | Taro Niida, Shunzo Fukatsu, Yasushi Murai, Tsuneo Okonogi, Seiji Shibahara | 1984-09-18 |
| 4337336 | Derivative of kanamycin A and a process for the preparation thereof | Hamao Umezawa, Sumio Umezawa, Shunzo Fukatsu, Toshio Yoneta | 1982-06-29 |