Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596096 | Azetidinone derivatives and method for producing azetidinone and cephalosoporin derivatives | Osamu Sakanaka, Shouhei Yasuda, Shinjiro Sumi, Katsufumi Sebata, Katsuharu Iinuma | 1997-01-21 |
| 5405955 | Method for producing azetidinone and cephalosporin derivatives | Osamu Sakanaka, Shouhei Yasuda, Shinjiro Sumi, Katsufumi Sebata, Katsuharu Iinuma | 1995-04-11 |
| 4950660 | Beta-lactam compound and process for production thereof | Kunio Atsumi, Yuichi Yamamoto, Kenji Sakagami, Shinichi Kondo | 1990-08-21 |
| 4918068 | Cephem compounds | Yuichi Yamamoto, Kunio Atsumi, Kenji Sakagami, Takashi Yoshida, Sinichi Kondo | 1990-04-17 |
| 4898858 | Cephalosporin derivatives and antibiotics containing the same | Seiji Shibahara, Tsuneo Okonogi, Yasushi Murai, Toshiaki Kudo, Takashi Yoshida +1 more | 1990-02-06 |
| 4889926 | "Method for the synthesis of (2""R)-4'-O-tetra-hydropyranyladriamycim using 14-chloro-daunomycin as an intermediate" | Tomoya Machinami, Takeshi Nakamura, Shinichi Kondo, Tomio Takeuchi | 1989-12-26 |
| 4839350 | Cephalosporin compounds and the production thereof | Kunio Atsumi, Kenji Sakagami, Yuichi Yamamoto, Takashi Yoshida, Shinichi Kondo +1 more | 1989-06-13 |
| 4810702 | Antibacterial agent for mammal use comprising cephalosporin derivatives as an effective ingredient | Seiji Shibahara, Tsuneo Okonogi, Yasushi Murai, Toshiaki Kudo, Takashi Yoshida +1 more | 1989-03-07 |
| 4791197 | Cephalosporin compounds | Kenji Sakagami, Kunio Atsumi, Takashi Yoshida, Shunzo Fukatsu | 1988-12-13 |
| 4560750 | Cephem compounds and process for preparing the same | Kunio Atsumi, Kiyoaki Katano, Fumio Kai, Eiichi Akita | 1985-12-24 |
| 4555404 | Sodium 7.beta.-(2D-2-amino-2-carboxyethylthioacetamido)-7.alpha.-methoxy-3-(1-m ethyl-1H-tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylate heptahydrate and process for its preparation | Katsuharu Iinuma, Hitoshi Yamada, Fumiya Hirano, Takashi Tsuruoka | 1985-11-26 |
| 4485235 | Process for preparing 7-.alpha.-methoxycephem compounds | Kiyoaki Katano, Kunio Atsumi, Fumio Kai, Eiichi Akita | 1984-11-27 |
| 4225706 | Polychalcogen ester of cephem compound, process for preparing the same and method for removing the protective group of the same | Shigeo Seki, Satoru Nakabayashi, Toshinori Saito, Hitoshi Ikeda, Nobuo Itoh +2 more | 1980-09-30 |