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Yuuki Tamura
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Anan-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical guide and surface light emitting apparatus using the same
Patent number
7,446,828
Issue date
Nov 4, 2008
Nichia Corporation
Yuuki Tamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical waveguide plate for surface light emitting apparatus and su...
Patent number
7,269,329
Issue date
Sep 11, 2007
Nichia Corporation
Yuuki Tamura
G02 - OPTICS
Information
Patent Grant
Optical waveguide plate for surface light emitting apparatus and su...
Patent number
7,171,104
Issue date
Jan 30, 2007
Nichia Corporation
Yuuki Tamura
G02 - OPTICS
Information
Patent Grant
Optical waveguide plate of surface light emitting apparatus
Patent number
6,904,225
Issue date
Jun 7, 2005
Nichia Corporation
Yuuki Tamura
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Optical waveguide plate for surface light emitting apparatus and su...
Publication number
20070121342
Publication date
May 31, 2007
Yuuki Tamura
G02 - OPTICS
Information
Patent Application
Optical guide and surface light emitting apparatus using the same
Publication number
20060181902
Publication date
Aug 17, 2006
Nichia Corporation.
Yuuki Tamura
G02 - OPTICS
Information
Patent Application
Optical waveguide plate for surface light emitting apparatus and su...
Publication number
20040071437
Publication date
Apr 15, 2004
Yuuki Tamura
G02 - OPTICS
Information
Patent Application
Optical waveguide plate of surface light emitting apparatus
Publication number
20020197051
Publication date
Dec 26, 2002
Yuuki Tamura
G02 - OPTICS