Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5144027 | Cephalosporins, process for producing the same, intermediates thereof and process for producing the intermediates | Hiroshi Sadaki, Hirokazu Narita, Hiroyuki Imaizumi, Yoshinori Konishi, Takihiro Inaba +4 more | 1992-09-01 |
| 4673738 | Novel intermediates of cephalosporins and process for producing 7-(substituted or unsubstituted amino)-3-substituted methyl-.DELTA..sup.3 -cephem-4-carboxylic acids | Hiroshi Sadaki, Hirokazu Narita, Hiroyuki Imaizumi, Yoshinori Konishi, Takihiro Inaba +4 more | 1987-06-16 |
| 4489072 | Cephalosporins | Hiroshi Sadaki, Hirokazu Narita, Hiroyuki Imaizumi, Yoshinori Konishi, Takihiro Inaba +4 more | 1984-12-18 |
| 4395412 | 7.alpha.-Methoxycephalosporins | Isamu Saikawa, Shuntaro Takano, Hiroyuki Imaizumi, Isamu Takakura, Hirokazu Ochiai +3 more | 1983-07-26 |
| 4321265 | 7.alpha.-Methoxycephalosporins | Isamu Saikawa, Shuntaro Takano, Hiroyuki Imaizumi, Isamu Takakura, Hirokazu Ochiai +3 more | 1982-03-23 |
| 4263292 | 7.alpha.-methoxycephalosporins and pharmaceutical composition comprising the same | Isamu Saikawa, Shuntaro Takano, Hiroyuki Imaizumi, Isamu Takakura, Hirokazu Ochiai +3 more | 1981-04-21 |
| 4200744 | Substituted 7.alpha.-methoxy-7.beta.[(2,3-dioxo-1-piperazinyl)carbonylaminophenylace tamido]cephalosporins | Isamu Saikawa, Shuntaro Takano, Hiroyuki Imaizumi, Isamu Takakura, Hirokazu Ochiai +3 more | 1980-04-29 |