Issued Patents All Time
Showing 76–100 of 135 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559334 | 7-Substituted-3-vinyl-3-cephem compounds and processes for production of the same | Takao Takaya, Takashi Masugi, Hideaki Yamanaka, Kohji Kawabata | 1985-12-17 |
| 4546101 | New cephem compounds useful for treating infectious diseases in human being and animals and processes for preparation thereof | Takao Takaya, Hideaki Yamanaka, Kenji Miyai, Yoshikazu Inoue | 1985-10-08 |
| 4544653 | Syn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and processes for the preparation thereof | Takao Takaya, Takashi Masugi, Hiromu Kochi | 1985-10-01 |
| 4544751 | Thiadiazole derivatives | Takao Takaya, Toshiyuki Chiba, Zenzaburo Tozuka | 1985-10-01 |
| 4533738 | New cephem compounds and processes for preparation thereof | Takao Takaya, Yoshikazu Inoue, Masayoshi Murata | 1985-08-06 |
| 4529802 | Novel intermediates for preparing new cephem compounds | Takao Takaya, Masayoshi Murata, Akiteru Yoshioka | 1985-07-16 |
| 4518774 | 3-Cephem intermediates | Ikuo Ueda, Takao Takaya, Masakazu Kobayashi, Takashi Masugi, Hiromu Kochi +1 more | 1985-05-21 |
| 4515788 | Cephem compounds | Takao Takaya, Hideaki Yamanaka | 1985-05-07 |
| 4507293 | Antimicrobial cephem compounds | Takao Takaya, Toshiyuki Chiba, Kiyoshi Tsuji | 1985-03-26 |
| 4499088 | Cephem compounds | Takao Takaya, Hideaki Yamanaka | 1985-02-12 |
| 4496562 | 7-Substituted-3-cephem-4-carboxylic acid esters | Takao Takaya, Kiyoshi Tsuji, Toshiyuki Chiba | 1985-01-29 |
| 4493833 | Syn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds | Takao Takaya, Takashi Masugi, Hiromu Kochi | 1985-01-15 |
| 4487927 | 3-Phosphonium and 3-phosphoranylidenecephems | Takao Takaya, Takashi Masugi, Hideaki Yamanaka, Kohji Kawabata | 1984-12-11 |
| 4487768 | Cephem compounds | Takao Takaya, Takashi Masugi, Kenzi Miyai | 1984-12-11 |
| 4487767 | 7-[Amino or carboxy substituted oxyimino]-3-[amino or alkoxy substituted heterocyclic thiomethyl] cephalosporin derivatives | Takao Takaya, Takashi Masugi, Hiromu Kochi | 1984-12-11 |
| 4477447 | 7-Acylaminocephalosporanic acid derivatives | Ikuo Ueda, Tsutomu Teraji, Takao Takaya, Keiji Takai, Fumio Shimojo +1 more | 1984-10-16 |
| 4473566 | 7-(.alpha., .alpha.-Disubstituted-acetamido)-3-substituted-3-cephem-4-carboxylic acids | Takao Takaya, Takashi Masugi, Hiromu Kochi | 1984-09-25 |
| 4472300 | Azetidinone derivatives and process for preparation thereof | Takashi Kamiya, Yoshihisa Saito, Masashi Hashimoto, Osamu Nakaguti, Teruo Oku +5 more | 1984-09-18 |
| 4464369 | 7-Acylamino-3-cephem-4-carboxylic acid derivatives and pharmaceutical compositions | Takao Takaya, Kiyoshi Tsuji, Toshiyuki Chiba | 1984-08-07 |
| 4463003 | Cephem compounds | Takao Takaya, Hideaki Yamanaka | 1984-07-31 |
| 4462999 | 7-Acylamino-3-substituted cephalosporanic acid derivatives and processes for the preparation thereof | Takao Takaya, Takashi Masugi, Hideaki Yamanaka, Kohji Kawabata | 1984-07-31 |
| 4463002 | Syn-isomers of 7-substituted-3-cephem-4-carboxylic acid esters | Takao Takaya, Kiyoshi Tsuji, Toshiyuki Chiba | 1984-07-31 |
| 4460583 | Cephem compounds | Takao Takaya, Kiyoshi Tsuji, Toshiyuki Chiba | 1984-07-17 |
| 4452851 | Cephem compounds | Takao Takaya, Hideaki Yamanaka | 1984-06-05 |
| 4447430 | Cephem compounds | Takao Takaya, Kiyoshi Tsuji, Toshiyuki Chiba | 1984-05-08 |