Toshihisa Ogawa

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Fuchu, JP

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Patents Grantslast 30 patents

Information Patent Grant
1,4-dihydropyridine derivatives
- Patent number 5,047,543
- Issue date Sep 10, 1991
- Taisho Pharmaceutical Co., Ltd.
- Toshihisa Ogawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,4-dihydropyridine derivatives
- Patent number 4,948,899
- Issue date Aug 14, 1990
- Taisho Pharmaceutical Co., Ltd.
- Toshihisa Ogawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing unsymmetrical 1,4-dihydropyridine-3,5-dicarbox...
- Patent number 4,730,052
- Issue date Mar 8, 1988
- Taisho Pharmaceutical Co., Ltd.
- Yoshimoto Nakashima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,4-Dihydropyridine derivatives and use as vasodilators
- Patent number 4,472,411
- Issue date Sep 18, 1984
- Taisho Pharmaceutical Co., Ltd.
- Katsuo Hatayama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Esters of the carboxylic acid
- Patent number 4,420,631
- Issue date Dec 13, 1983
- Taisho Pharmaceutical Co., Ltd.
- Takehiro Amano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing d-penicillamine and salts thereof
- Patent number 4,150,240
- Issue date Apr 17, 1979
- Taisho Pharmaceutical Co., Ltd.
- Kaoru Sota