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Shinya Kanno
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Tokyo, JP
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last 30 patents
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Patent Grant
Color filter
Patent number
8,120,731
Issue date
Feb 21, 2012
Toppan Printing Co., Ltd.
Kazushige Kitazawa
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
Article having color pattern formed therein
Publication number
20090068396
Publication date
Mar 12, 2009
Toppan Printing Co., Ltd.
Kazushige Kitazawa
G02 - OPTICS