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Keiichi Koga
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Shiga, JP
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Patents Grants
last 30 patents
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Patent Grant
Process for the preparation of a piperazine derivative
Patent number
7,229,992
Issue date
Jun 12, 2007
Astellas Pharma Inc.
Keiichi Koga
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N-[(R)-1-[3-(4-piperidyl)propionyl]-3-piper...
Patent number
6,538,007
Issue date
Mar 25, 2003
Fujisawa Pharmaceutical Co., Ltd.
Mitsuru Ohkubo
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
Process for the preparation of a piperazine derivative
Publication number
20030153753
Publication date
Aug 14, 2003
Keiichi Koga
C07 - ORGANIC CHEMISTRY
Information
Patent Application
New processes for producing beta-alanine derivatives
Publication number
20030114488
Publication date
Jun 19, 2003
Fujisawa Pharmaceutical Co. Ltd.
Mitsuru Ohkubo
C07 - ORGANIC CHEMISTRY