Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4616081 | Cephalosporin compounds | Joji Nishikido, Eiji Kodama | 1986-10-07 |
| 4556651 | Secalonic acid derivatives as antitumor agents | Mitsuru Shibukawa, Kunihiko Ishii | 1985-12-03 |
| 4463179 | 1H-1,2,3-triazol-5-ylthio ester of N-carbobenzyloxy-p-hydroxyphenylglycine | Masahiro Murakami, Masateru Kobayashi, Kimiyo Yamamoto | 1984-07-31 |
| 4456754 | Process for the preparation of cephalosporin derivatives using thioesters | Masahiro Murakami, Masateru Kobayashi, Kimiyo Yamamoto | 1984-06-26 |
| 4454323 | 1-Methyltetrazol-5-ylthio ester of cyanomethylthioacetic acid | Masahiro Murakami, Masateru Kobayashi, Kimiyo Yamamoto | 1984-06-12 |
| 4418061 | Secalonic acid derivatives and method for preparing thereof | Mitsuru Shibukawa, Kunihiko Ishii | 1983-11-29 |
| 4417047 | Novel tetrazole-5-thiol ester and process for preparing cefamandole using same | Masahiro Murakami, Masateru Kobayashi, Takanori Sone | 1983-11-22 |
| 4351947 | Tetrazole derivative | Masahiro Murakami, Masateru Kobayashi, Takanori Sone | 1982-09-28 |
| 4327211 | Method for preparation of cephalosporin compounds | Masahiro Murakami, Masateru Kobayashi, Takanori Sone | 1982-04-27 |
| 4314059 | Process for preparing cephalosporin compounds | Kunihiko Ishii, Takumi SANO, Torao Ishida | 1982-02-02 |
| 4258195 | Novel thiol esters and process for preparing cephalosporin compounds using same | Kunihiko Ishii, Takumi SANO, Torao Ishida | 1981-03-24 |
| 4245107 | Cephalosporin derivatives and process for preparing the same | Hirataka Itoh, Yutaka Usubuchi, Mitsuaki Akamine | 1981-01-13 |
| 4229573 | 7.alpha.-Methoxycephalosporin derivatives | Hirataka Itoh, Kunihiko Ishii, Torao Ishida, Mitsuru Shibukawa | 1980-10-21 |