Katsuyuki Otsuka

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aminoethanethiol derivative
- Patent number 5,756,822
- Issue date May 26, 1998
- Kaken Pharmaceutical Co., Ltd.
- Nobuo Ishiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acetamide derivative
- Patent number 5,672,597
- Issue date Sep 30, 1997
- Kaken Pharmaceutical Co., Ltd.
- Nobuo Ishiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridylketoxime ether compound and pharmaceutical composition conta...
- Patent number 4,971,985
- Issue date Nov 20, 1990
- Kaken Pharmaceutical Co., Ltd.
- Katsuyuki Otsuka
- C07 - ORGANIC CHEMISTRY