Koichi Kubota

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Benzofuran and benzothiophene derivatives, anti-hyperuricemia agents
- Patent number 5,274,000
- Issue date Dec 28, 1993
- Kotobuki Seiyaku Company Limited
- Tsuyoshi Tomiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzothiophene derivatives and antihyperuricemia thereof
- Patent number 5,175,184
- Issue date Dec 29, 1992
- Kotobuki Seiyaku Company Limited
- Tsuyoshi Tomiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzofuran and benzothoiphene derivatives, of tetrazole and anti-hy...
- Patent number 5,004,750
- Issue date Apr 2, 1991
- Kotobuki Seiyaku Company Limited
- Tsuyoshi Tomiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzofuran derivatives and use thereof for treating hyperuricemia
- Patent number 4,797,415
- Issue date Jan 10, 1989
- Kotobuki Seiyaku Company Limited
- Tsuyoshi Tomiyama
- C07 - ORGANIC CHEMISTRY