Zenzaburo Tozuka

Person

Toyonaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cephem compounds
- Patent number 4,985,555
- Issue date Jan 15, 1991
- Fujisawa Pharmaceutical Co., Ltd.
- Takao Takaya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephem compounds and processes for preparation thereof
- Patent number 4,973,699
- Issue date Nov 27, 1990
- Fujisawa Pharmaceutical Co., Ltd.
- Takao Takaya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephem compounds
- Patent number 4,871,730
- Issue date Oct 3, 1989
- Fujisawa Pharmaceutical Co., Ltd.
- Takao Takaya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephem compounds
- Patent number 4,861,769
- Issue date Aug 29, 1989
- Fujisawa Pharmaceutical Co., Ltd.
- Takao Takaya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-(substituted-ethenyl or ethynyl-thiomethyl) cephems
- Patent number 4,622,318
- Issue date Nov 11, 1986
- Fujisawa Pharmaceutical Co., Ltd.
- Takao Takaya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3,5-Di hydroxy morpholine derivatives and pharmaceutical compositions
- Patent number 4,558,047
- Issue date Dec 10, 1985
- Fujisawa Pharmaceutical Co., Ltd.
- Takao Takaya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thiadiazole derivatives
- Patent number 4,544,751
- Issue date Oct 1, 1985
- Fujisawa Pharmaceutical Co., Ltd.
- Takao Takaya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephem compounds and composition
- Patent number 4,370,326
- Issue date Jan 25, 1983
- Fujisawa Pharmaceutical Co., Ltd.
- Takao Takaya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3,7-Disubstituted-3-cephem-4-carboxylic acid compound and processes...
- Patent number 4,350,693
- Issue date Sep 21, 1982
- Fujisawa Pharmaceutical Co., Ltd.
- Takao Takaya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-Fluorouracil derivatives, and their pharmaceutical compositions
- Patent number 4,349,552
- Issue date Sep 14, 1982
- Fujisawa Pharmaceutical Company, Ltd.
- Takao Takaya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3,7-Disubstituted-3-cephem-4-carboxylic acid compounds and processe...
- Patent number 4,263,291
- Issue date Apr 21, 1981
- Fujisawa Pharmaceutical Co., Ltd.
- Takao Takaya
- C07 - ORGANIC CHEMISTRY

Zenzaburo Tozuka

Person

Patents Grantslast 30 patents

Cephem compounds

Cephem compounds and processes for preparation thereof

Cephem compounds

Cephem compounds

3-(substituted-ethenyl or ethynyl-thiomethyl) cephems

3,5-Di hydroxy morpholine derivatives and pharmaceutical compositions

Thiadiazole derivatives

Cephem compounds and composition

3,7-Disubstituted-3-cephem-4-carboxylic acid compound and processes...

5-Fluorouracil derivatives, and their pharmaceutical compositions

3,7-Disubstituted-3-cephem-4-carboxylic acid compounds and processe...