Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877873 | Syn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and processes for the preparation thereof | Takao Takaya, Takashi Masugi, Hiromu Kochi | 1989-10-31 |
| 4871860 | Syn-isomer of 3,7-disubstituted-3-cephem-4-caroxylic acid compounds and processes for the preparation thereof | Takao Takaya, Takashi Masugi, Hiromu Kochi | 1989-10-03 |
| 4857527 | Morpholine containing pyridine compounds, compositions and use | Takao Takaya, Kimio Esumi, Atsushi Kuno, Hiroyoshi Sakai, Kazuhiro Maeda +1 more | 1989-08-15 |
| 4841062 | New cephem and cepham compounds and processes for preparation thereof | Takao Takaya, Kiyoshi Tsuji, Toshiyuki Chiba | 1989-06-20 |
| 4831030 | Diphenylpyridine compounds, processes for the preparation thereof and composition comprising the same | Atsushi Kuno, Hiroyoshi Sakai, Yoshie Sugiyama, Takao Takaya | 1989-05-16 |
| 4822888 | New cepham compounds and processes for the production thereof | Takao Takaya, Kiyosha Tsuji, Toshiyuki Chiba | 1989-04-18 |
| 4822805 | Pyridyl-imidazole compounds which have useful pharmaceutical activity | Kiyotaka Ito, Shigetaka Nishino, Akito Tanaka, Takao Takaya | 1989-04-18 |
| 4804752 | Syn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and processes for the preparation thereof | Takao Takaya, Takashi Masugi, Hiromu Kochi | 1989-02-14 |