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Mitsuru Sakai
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Sakura, 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
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
Information
Patent Grant
Quinolinone derivative and anti-allergic agent with said quinolinon...
Patent number
6,114,352
Issue date
Sep 5, 2000
Dainippon Ink and Chemicals, Inc.
Hidetsugu Takagaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Quinolinone derivative and anti-allergic agent with said quinolinon...
Patent number
5,942,521
Issue date
Aug 24, 1999
Dainippon Ink and Chemicals, Inc.
Hidetsugu Takagaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
7-glycosyloxybenzopyran derivative and antiallergic agent containin...
Patent number
5,580,552
Issue date
Dec 3, 1996
Dainippon Ink & Chemicals Inc.
Hidetsugu Takagaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3- or 4-glycosyloxybenzopyran derivative and antiallergic agent con...
Patent number
5,525,595
Issue date
Jun 11, 1996
Dainippon Ink and Chemicals, Inc.
Hidetsugu Takagaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Benzopyran derivatives and an anti-allergic agent possessing the sa...
Patent number
5,428,059
Issue date
Jun 27, 1995
Dainippon Ink and Chemicals, Inc.
Hidetsugu Takagaki
C07 - ORGANIC CHEMISTRY