Issued Patents All Time
Showing 51–75 of 135 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 4736039 | New cephem compounds and processes for preparation thereof | Takao Takaya, Hideaki Yamanaka | 1988-04-05 |
| 4735957 | Thiazole derivatives, processes for the preparation thereof and pharmaceutical composition comprising the same | Takao Takaya | 1988-04-05 |
| 4731443 | 7-acylamino-3-vinylcephalosporanic acid derivatives | Takao Takaya, Takashi Masugi, Hideaki Yamanaka, Kohji Kawabata | 1988-03-15 |
| 4727073 | Pyrimidine derivatives and composition of the same | Takao Takaya, Atsushi Kuno, Yoshie Sugiyama | 1988-02-23 |
| 4719206 | Cephem compounds | Takao Takaya, Takashi Masugi, Takashi Ogino, Hideaki Yamanaka | 1988-01-12 |
| 4705851 | Process for the preparation of 3-phosphoniummethyl-3-cephem compounds | Takao Takaya, Takashi Masugi, Hideaki Yamanada, Kohji Kawabata | 1987-11-10 |
| 4698337 | Cephem compounds and processes for preparation thereof | Takao Takaya, Kiyoshi Tsuji, Toshiyuki Chiba | 1987-10-06 |
| 4698340 | Pyrimidine derivatives, processes for preparation thereof and composition containing the same | Takao Takaya, Atsushi Kuno, Yoshie Sugiyama | 1987-10-06 |
| 4649136 | Cephem compounds | Takao Takaya, Hideaki Yamanaka | 1987-03-10 |
| 4649146 | Thiazole derivatives and pharmaceutical composition comprising the same | Takao Takaya | 1987-03-10 |
| 4639448 | 7-amino-3-[substituted vinyl]-3-cephem-4-carboxylates having antimicrobial activity | Takao Takaya, Hideaki Yamanaka, Kenji Miyai, Yoshikazu Inoue | 1987-01-27 |
| 4621084 | Imidazo-heterocyclic compounds and pharmaceutical composition comprising the same | Takao Takaya | 1986-11-04 |
| 4604456 | Cephem and cepham compounds | Takao Takaya, Kiyoshi Tsuji, Toshiyuki Chiba | 1986-08-05 |
| 4598147 | Cephem compounds and processes for preparation thereof | Takao Takaya, Toshiyuki Chiba, Kiyoshi Tsuji | 1986-07-01 |
| 4596829 | 7-acylaminocephalosporanic acid derivatives and processes for the preparation thereof | Takao Takaya, Masayoshi Murata, Akiteru Yoshioka | 1986-06-24 |
| 4594446 | 2-alkoxyimino-3,3-dialkoxy-butyrates and derivatives | Ikuo Ueda, Takao Takaya, Masakazu Kobayashi, Takashi Masugi, Hiromu Kochi +1 more | 1986-06-10 |
| 4585860 | 7-acylamino-3-vinylcephalosporanic acid derivatives useful for treatment of infectious diseases in human beings and animals | Takao Takaya, Takashi Masugi, Hideaki Yamanaka, Kohji Kawabata | 1986-04-29 |
| 4584290 | Cephem compounds | Takao Takaya, Takashi Masugi, Takashi Ogino, Hideaki Yamanaka | 1986-04-22 |
| 4563522 | Cephem compounds | Takao Takaya, Kiyoshi Tsuji, Toshiyuki Chiba | 1986-01-07 |
| 4563450 | Cephem compounds | Takao Takaya, Yoshikazu Inoue, Masayoshi Murata | 1986-01-07 |