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Masao Sasamata
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Ibaraki, JP
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last 30 patents
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Patent Grant
Imidazole-substituted quinoxalinedione derivatives
Patent number
6,121,264
Issue date
Sep 19, 2000
Yamanouchi Pharmaceutical Co., Ltd.
Shuichi Sakamoto
C07 - ORGANIC CHEMISTRY
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Patent Grant
1,2,3,4-tetrahydroquinoxalinedione derivative
Patent number
6,096,743
Issue date
Aug 1, 2000
Yamanouchi Pharmaceuticals Co., Ltd.
Jun-ichi Shishikura
C07 - ORGANIC CHEMISTRY
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Patent Grant
Fused pyrazine derivatives
Patent number
5,283,244
Issue date
Feb 1, 1994
Yamanouchi Pharmaceutical Co., Ltd.
Shuichi Sakamoto
C07 - ORGANIC CHEMISTRY