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Taketsugu Seki
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Saitama, JP
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last 30 patents
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Patent Grant
Triazolo-1,4-diazepine compounds and medicinal composition containi...
Patent number
6,433,167
Issue date
Aug 13, 2002
Nikken Chemicals Co., Ltd.
Masakazu Fujita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1,4-dihydropyridine compound and pharmaceutical composition contain...
Patent number
5,843,950
Issue date
Dec 1, 1998
Nikken Chemicals Co., Ltd.
Shigeyuki Tasaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Imidazo[2,1-B]benzothiazole compounds and antiulcer compositions co...
Patent number
4,968,708
Issue date
Nov 6, 1990
Nikken Chemicals Co., Ltd.
Taketsugu Seki
C07 - ORGANIC CHEMISTRY