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Hisanori Takahashi
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Kawanishi, JP
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last 30 patents
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Patent Grant
Preparation of optically active 1,4-bridged-cyclohexane carboxylic...
Patent number
5,763,647
Issue date
Jun 9, 1998
Shionogi & Co., Ltd.
Mitsuaki Ohtani
C07 - ORGANIC CHEMISTRY
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Patent Grant
Triazolylthiomethylthio cephalosporin hydrochhloride, its crystalli...
Patent number
5,407,929
Issue date
Apr 18, 1995
Shionogi & Co., Ltd.
Hisanori Takahashi
C07 - ORGANIC CHEMISTRY