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Shinobu Yamaguchi
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Tokyo, JP
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last 30 patents
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Patent Grant
Quinolinone derivative, method for preparing the same, and anti-all...
Patent number
6,271,416
Issue date
Aug 7, 2001
Dainippon Ink and Chemicals, Inc.
Hidetsugu Takagaki
C07 - ORGANIC CHEMISTRY
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Patent Grant
Quinolinone glycoside, production process, and anti-allergic agent
Patent number
6,242,425
Issue date
Jun 5, 2001
Dainippon Ink and Chemicals, Inc.
Hidetsugu Takagaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Quinolinone derivative, method for preparing the same, and anti-all...
Patent number
6,136,822
Issue date
Oct 24, 2000
Dainippon Ink and Chemicals, Inc.
Hidetsugu Takagaki
C07 - ORGANIC CHEMISTRY