Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5120841 | Cephalosporin ester derivatives | Tatsuo Nishimura, Yoshinobu Yoshimura | 1992-06-09 |
| 4963542 | Cephalosporin derivatives | Isao Minamida, Susumu Tsushima | 1990-10-16 |
| 4797395 | 1-Acyloxyalkyl esters of cephalosporin | Akio Miyake, Yoshinobu Yoshimura | 1989-01-10 |
| 4755598 | 1 '-(substituted)ethyl-7.beta.-[2-(2-aminothiazol-4-yl)acetamido]-3-[[[1-(2 -dimethylaminoethyl)-1H-tetrazol-5-yl]thio]methyl]ceph-3-em-4-carboxylate derivatives having antibacterial utility | Kunio Takanohashi, Tomoyuki Fujii | 1988-07-05 |
| 4729992 | Cephalosporin esters, their production and use | Tatsuo Nishimura, Yoshinobu Yoshimura | 1988-03-08 |
| 4725592 | 1-Acyloxyalkyl esters of cephalosporin | Akio Miyake, Masayoshi Yamaoka | 1988-02-16 |
| 4517361 | Cephalosporin derivatives | Isao Minamida, Masayoshi Yamaoka, Mitsuru Shiraishi, Toshio Miyawaki | 1985-05-14 |
| 4427586 | 2-Oxoazetidine derivatives and production thereof | Masayoshi Yamaoka, Tatsuo Nishimura, Norichika Matsumoto | 1984-01-24 |
| 4421912 | Cephalosporin derivatives | Isao Mimamida, Masayoshi Yamaoka, Mitsuru Shiraishi, Toshio Miyawaki | 1983-12-20 |
| 4379924 | Cephalosporin derivatives | Isao Mimamida, Masayoshi Yamaoka, Mitsura Shiraishi, Toshio Miyawaki | 1983-04-12 |
| 4264595 | 7-[2-(2-Imino-4-thiazolin -4-yl)-2-(syn)-hydroxy-iminoacetamido]-cephalosporins | Isao Minamida, Susumu Tsushima | 1981-04-28 |
| 4239758 | Cephalosporins | Masayoshi Yamaoka, Isao Minamida, Mitsuru Shiraishi, Tatsuo Nishimura | 1980-12-16 |
| 4238608 | 7-[2-(2-Aminothiazol-4-yl)-2-substituted thio-acetamido] cephalosporins | Masayoshi Yamaoka | 1980-12-09 |
| 4200575 | 7[(2-Thiazolyl)-2-(oxoimino)acetamido]cephalosporin derivatives | Tatsuo Nishimura | 1980-04-29 |