Kazaharu Tamazawa

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
1,3-Dithietane-2-carboxylic acid penicillin and cephalosporin deriv...
- Patent number 4,414,153
- Issue date Nov 8, 1983
- Yamanouchi Pharmaceutical Co. Ltd.
- Masaru Iwanami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-Dithietane-2-carboxylic acids and the preparation thereof
- Patent number 4,198,339
- Issue date Apr 15, 1980
- Yamanouchi Pharmaceutical Co., Ltd.
- Masaru Iwanami
- C07 - ORGANIC CHEMISTRY