Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4409217 | Cephem compounds | Takao Takaya, Hisashi Takasugi, Kiyoshi Tsuji | 1983-10-11 |
| 4400379 | Cephem compounds | Takao Takaya, Hisashi Takasugi, Kiyoshi Tsuji | 1983-08-23 |
| 4399133 | Cephem compounds | Takao Takaya, Hisashi Takasugi, Kiyoshi Tsuji | 1983-08-16 |
| 4399277 | 7-Amino-3-phosphonocephalosporanic acid compounds | Takao Takaya | 1983-08-16 |
| 4393059 | Cephem compounds | Takao Takaya, Hisashi Takasugi, Kiyoshi Tsuji | 1983-07-12 |
| 4372952 | Cephem compounds | Takao Takaya, Hisashi Takasugi, Kiyoshi Tsuji | 1983-02-08 |
| 4363807 | Cepham compounds | Takao Takaya, Takashi Masugi | 1982-12-14 |
| 4354022 | Process for preparing 3-methylenecepham compounds or a salt thereof | Takao Takaya, Takashi Masugi, Akiteru Yoshioka, Masayuki Kato, Ikuo Ueda +1 more | 1982-10-12 |
| 4350693 | 3,7-Disubstituted-3-cephem-4-carboxylic acid compound and processes for the preparation thereof | Takao Takaya, Hisashi Takasugi, Zenzaburo Tozuka | 1982-09-21 |
| 4328327 | Continuous bulk polymerization process for preparing copolymer of aromatic vinyl monomer and maleic anhydride | Atsushi Tanaka, Hirotaka Miyata | 1982-05-04 |
| 4294960 | 7-[2-(2-Aminothiazol-4-yl)-2-cyclopentyloxyiminoacetamido]-3-cephem-4-car boxylic acid (synisomer) | Takao Takaya, Hisashi Takasugi, Kiyoshi Tsuji | 1981-10-13 |
| 4291031 | 3-Phosphonocephalosporanic acid derivatives, and pharmaceutical composition comprising the same | Takao Takaya | 1981-09-22 |
| 4284631 | 7-Substituted cephem compounds and pharmaceutical antibacterial compositions containing them | Takao Takaya, Hisashi Takasugi, Kiyoshi Tsuji | 1981-08-18 |
| 4263291 | 3,7-Disubstituted-3-cephem-4-carboxylic acid compounds and processes for the preparation thereof | Takao Takaya, Hisashi Takasugi, Zenzaburo Tozuka | 1981-04-21 |