Sachiyuki Hamazo

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Theophylline and theobromine derivatives
- Patent number 4,564,617
- Issue date Jan 14, 1986
- Eisai Co., Ltd.
- Hachiro Sugimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Theophylline and theobromine derivatives
- Patent number 4,426,383
- Issue date Jan 17, 1984
- Eisai Co., Ltd.
- Hachiro Sugimoto
- C07 - ORGANIC CHEMISTRY