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Masaaki Umehara
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Method of manufacturing an optical device, a method of manufacturin...
Patent number
7,854,960
Issue date
Dec 21, 2010
Toppan Printing Co., Ltd.
Masaaki Umehara
G02 - OPTICS
Information
Patent Grant
Substrate provided with bank and substrate provided with color pattern
Patent number
7,599,024
Issue date
Oct 6, 2009
Toppan Printing Co., Ltd.
Masaaki Umehara
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Substrate provided with bank and substrate provided with color pattern
Publication number
20090051748
Publication date
Feb 26, 2009
Toppan Printing Co., Ltd.
Masaaki Umehara
G02 - OPTICS
Information
Patent Application
Method of manufacturing an optical device, a method of manufacturin...
Publication number
20080113282
Publication date
May 15, 2008
Toppan Printing Co., Ltd.
Tomio Andoh
G02 - OPTICS
Information
Patent Application
Method of manufacturing an optical device, a method of manufacturin...
Publication number
20080055350
Publication date
Mar 6, 2008
Toppan Printing Co., Ltd.
Masaaki Umehara
G02 - OPTICS
Information
Patent Application
Method of manufacturing an optical device, a method of manufacturin...
Publication number
20080024539
Publication date
Jan 31, 2008
Toppan Printing Co., Ltd.
Masayuki Kotani
G02 - OPTICS