Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332731 | Cephalosporin derivatives | Yuichi Yamamoto, Tsuneo Okonogi, Seiji Shibahara | 1994-07-26 |
| 5294705 | Process for the preparation of a 3-substituted thio-3-cephem compound | Yuichi Yamamoto, Tsuneo Okonogi, Seiji Shibahara | 1994-03-15 |
| 5206384 | Actinonin derivatives and pharmaceutically acceptable salts thereof | Seiji Shibahara, Yoshiyuki Koyama, Mitsugu Hachisu, Shinichi Kondo, Takaaki Aoyagi +1 more | 1993-04-27 |
| 4785090 | Cephalosporin derivatives | Takashi Tsuruoka, Seiji Shibahara, Katsuyoshi Iwamatsu, Tsuneo Okonogi, Satoru Nakabayashi +6 more | 1988-11-15 |
| 4758557 | Cephalosporin derivatives and bactericides containing the same | Takashi Tsuruoka, Katsuyoshi Iwamatsu, Kiyoaki Katano, Hiroko Ogino, Ryoichi Okamoto +4 more | 1988-07-19 |
| 4357331 | 7.alpha.Methoxycephalosporin derivatives | Katsuyoshi Iwamatsu, Keinosuke Miyauchi, Shinichi Kondo, Shigeo Seki, Yujiro Yamada | 1982-11-02 |
| 4242327 | Antibiotic SF-2052 substance and production and use thereof | Kazunori Ohba, Takashi Shomura, Michio Kojima, Shoji Omoto, Takashi Tsuruoka | 1980-12-30 |