Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385178 | Process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids | Isamu Saikawa, Shuntaro Takano, Kaishu Momonoi, Isamu Takakura, Seietsu Kuroda +3 more | 1983-05-24 |
| 4317907 | Process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids | Isamu Saikawa, Shuntaro Takano, Kaishu Momonoi, Isamu Takakura, Seietsu Kuroda +3 more | 1982-03-02 |
| 4312986 | Process for producing 7-(substituted)amino-3-substituted thiomethyl-.DELTA..sup.3 -cephem-4-carboxylic acids | Isamu Saikawa, Shuntaro Takano, Kaishu Momonoi, Isamu Takakura, Seietsu Kuroda +3 more | 1982-01-26 |
| 4304909 | Process for producing 7-(D(-)-.alpha.-(4-ethyl-2,3-dioxo-1-piperazinecarboxamido)-.alpha.-(4-h ydroxyphenyl)acetamido)-3-(5-(1-methyl-1,2,3,4-tetrazolyl)thiomethyl)-.DELT A..sup.3 -cephem-4-carboxylic acid and a pharmaceutically acceptable salt thereof | Isamu Saikawa, Shuntaro Takano, Kaishu Momonoi, Isamu Takakura, Kiyoshi Tanaka +1 more | 1981-12-08 |
| 4237280 | Intermediate for cephalosporin type compound | Isamu Saikawa, Shuntaro Takano, Kaishu Momonoi, Isamu Takakura, Kiyoshi Tanaka +1 more | 1980-12-02 |