Yoshihiko Oka

Person

Kawagoe, JP

People

Patents Grantslast 30 patents

Information Patent Grant
7-methoxy cephalosporin derivative
- Patent number 4,656,262
- Issue date Apr 7, 1987
- Yamanouchi Pharmaceutical Co., Ltd.
- Takashi Osono
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for the production of 7.alpha.-methoxycephalosporin derivat...
- Patent number 4,410,626
- Issue date Oct 18, 1983
- Yamanouchi Pharmaceutical Co. Ltd.
- Hiroshi Gushima
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for production of aminoglycoside antibiotics
- Patent number 4,279,997
- Issue date Jul 21, 1981
- Yamanouchi Pharmaceutical Co., Ltd.
- Yoshihiko Oka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7.alpha.-Methoxycephalosporin derivatives
- Patent number 4,259,326
- Issue date Mar 31, 1981
- Yamanouchi Pharmaceutical Co., Ltd.
- Hiroshi Gushima
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
7-Methoxy cephalosporins and process of producing them
- Patent number 4,242,449
- Issue date Dec 30, 1980
- Yamanouchi Pharmaceutical Co., Ltd.
- Takashi Osono
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Aminoglycoside antibiotics and process for production thereof
- Patent number 4,209,511
- Issue date Jun 24, 1980
- Yamanouchi Pharmaceutical Co., Ltd.
- Yoshihiko Oka
- C07 - ORGANIC CHEMISTRY

Yoshihiko Oka

Person

Patents Grantslast 30 patents

7-methoxy cephalosporin derivative

Process for the production of 7.alpha.-methoxycephalosporin derivat...

Process for production of aminoglycoside antibiotics

7.alpha.-Methoxycephalosporin derivatives

7-Methoxy cephalosporins and process of producing them

Aminoglycoside antibiotics and process for production thereof