Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4473566 | 7-(.alpha., .alpha.-Disubstituted-acetamido)-3-substituted-3-cephem-4-carboxylic acids | Takao Takaya, Hisashi Takasugi, Hiromu Kochi | 1984-09-25 |
| 4462999 | 7-Acylamino-3-substituted cephalosporanic acid derivatives and processes for the preparation thereof | Takao Takaya, Hisashi Takasugi, Hideaki Yamanaka, Kohji Kawabata | 1984-07-31 |
| 4431643 | Syn-isomer of 3-substituted-7-[2-cyclopentyloxyimino-2-(2-aminothiazol-4-yl)-acetamido]- 3 | Takao Takaya, Hisashi Takasugi, Hiromu Kochi | 1984-02-14 |
| 4423213 | 7-Acylamino-3-vinylcephalosporanic acid derivatives and processes for the preparation thereof | Takao Takaya, Hisashi Takasugi, Hideaki Yamanaka, Kohji Kawabata | 1983-12-27 |
| 4409214 | 7-Acylamino-3-vinylcephalosporanic acid derivatives and processes for the preparation thereof | Takao Takaya, Hisashi Takasugi, Hideaki Yamanaka, Kohji Kawabata | 1983-10-11 |
| 4409215 | 7-Acylamino-3-substituted cephalosporanic acid derivatives and processes for the preparation thereof | Takao Takaya, Hisashi Takasugi, Hideaki Yamanaka, Kohji Kawabata | 1983-10-11 |
| 4379922 | Cepham compounds | Ikuo Ueda, Takao Takaya, Masakazu Kobayashi, Hisashi Takasugi, Hiromu Kochi +1 more | 1983-04-12 |
| 4371531 | Cephalosporin compounds | Takao Takaya, Takashi Ogino, Kiyoshi Tsuji | 1983-02-01 |
| 4366153 | Cephem compounds | Takao Takaya, Hisashi Takasugi, Hiromu Kochi | 1982-12-28 |
| 4364943 | Syn-isomer of 7-[2-alkoxyimino-2-(2-amino-alkanoylamino-or haloalkanoylamino-thiazol-4-yl) acetamids]-3-[hexanoyl-, or phenylalkanoyl-oxymethyl or benzothiazolylthiomethyl]-3-cephem-4-carboxylic acid | Takao Takaya, Hisashi Takasugi, Hiromu Kochi | 1982-12-21 |
| 4363807 | Cepham compounds | Takao Takaya, Toshiyuki Chiba | 1982-12-14 |
| 4354022 | Process for preparing 3-methylenecepham compounds or a salt thereof | Takao Takaya, Toshiyuki Chiba, Akiteru Yoshioka, Masayuki Kato, Ikuo Ueda +1 more | 1982-10-12 |
| 4341775 | Cephem compounds | Takao Takaya, Hisashi Takasugi, Hiromu Kochi | 1982-07-27 |
| 4331664 | Syn isomer of 7-[2-cyclo(lower) alkoxyimino-2-(2-amino-or substituted aminothiazol-4-yl)acetamido]-3-lower alkanoyloxymethyl or heterocyclicthiomethyl-3-cephem-4-carboxylic acid compounds | Takao Takaya, Hisashi Takasugi, Hiromu Kochi | 1982-05-25 |
| 4316019 | Preparation of syn-isomer of 3-alkanoyloxymethyl-7-(2-alkoxyimino-2-thiazolylacetamido-3-cephem-4-car boxylic acid compounds | Takao Takaya, Hisashi Takasugi, Hiromu Kochi | 1982-02-16 |
| 4304770 | Syn-isomer of 3,7-disubstituted-3-cephem-4-carboxylic acid compounds and processes for the preparation thereof | Takao Takaya, Hisashi Takasugi, Hiromu Kochi | 1981-12-08 |
| 4298529 | Alkoxyimino dioxy butyric acid derivatives | Ikuo Ueda, Takao Takaya, Masakazu Kobayashi, Hisashi Takasugi, Hiromu Kochi +1 more | 1981-11-03 |
| 4279818 | Syn-isomers of 7-[2-alkoxyimino-2-(2-amino-thiazol-4-yl)acetamido]-3-[nitrobenzoyl-, or benzoyl-oxymethyl]-3-cephem-4-carboxylic acid | Takao Takaya, Hisashi Takasugi, Hiromu Kochi | 1981-07-21 |
| 4254260 | 3-Substituted-7-substituted alkanamido-3-cephem-4-carboxylic acid compounds | Takao Takaya, Hisashi Takasugi, Hiromu Kochi | 1981-03-03 |
| 4254117 | 7-(.alpha.,.alpha.-Disubstituted-acetemido)-3-substituted-3-cephem-4-carb oxylic acids | Takao Takaya, Hisashi Takasugi, Hiromu Kochi | 1981-03-03 |
| 4246405 | Method for preparation of .beta.-lactam compound | Takao Takaya, Hiromu Kochi | 1981-01-20 |
| 4242510 | Cephalosporin compounds and processes for the preparation thereof | Takao Takaya, Takashi Ogino, Kiyoshi Tsuji | 1980-12-30 |
| 4220761 | 7-[Substituted oximinoacetamido]-3-[hydroxy alkyltetrazolo]cephalosporin derivatives | Takao Takaya, Hisashi Takasugi, Hiromu Kochi | 1980-09-02 |