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Hiroyuki Tsuboi
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Osaka, JP
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Patents Grants
last 30 patents
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Patent Grant
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Patent number
7,199,248
Issue date
Apr 3, 2007
Astellas Pharma Inc.
Hiroyuki Tsuboi
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for producing quinazoline derivatives
Patent number
6,344,559
Issue date
Feb 5, 2002
Fujisawa Pharmaceutical Co., Ltd.
Hiroki Omori
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
New process
Publication number
20050227914
Publication date
Oct 13, 2005
FUJISAWA PHARMACEUTICAL CO., LTD.
Hiroyuki Tsuboi
C07 - ORGANIC CHEMISTRY