Wataru Tokuhara

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Shinjuku-Ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical sheet, surface light source device, and transmission displa...
- Patent number 9,158,041
- Issue date Oct 13, 2015
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- G02 - OPTICS
Information Patent Grant
Surface light source device and transmission display device
- Patent number 7,722,240
- Issue date May 25, 2010
- Dai Nippon Printing Co., Ltd.
- Daijiro Kodama
- G02 - OPTICS
Information Patent Grant
Light controlling sheet and surface light source device
- Patent number 7,628,502
- Issue date Dec 8, 2009
- Dai Nippon Printing Co., Ltd.
- Daijiro Kodama
- G02 - OPTICS
Information Patent Grant
Light-controlling sheet and surface illuminant unit
- Patent number 7,568,820
- Issue date Aug 4, 2009
- Dai Nippon Printing Co., Ltd.
- Daijiro Kodama
- G02 - OPTICS
Information Patent Grant
Diffusing sheet, surface light source unit, and transmission type d...
- Patent number 7,408,708
- Issue date Aug 5, 2008
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Surface light source device and transmission display device
- Publication number 20080074870
- Publication date Mar 27, 2008
- Dai Nippon Printing Co., Ltd.
- Daijiro Kodama
- G02 - OPTICS
Information Patent Application
LIGHT-CONTROLLING SHEET AND SURFACE ILLUMINANT UNIT
- Publication number 20070109766
- Publication date May 17, 2007
- Dai Nippon Printing Co., Ltd.
- Daijiro Kodama
- G02 - OPTICS
Information Patent Application
Light controlling sheet and surface light source device
- Publication number 20070076406
- Publication date Apr 5, 2007
- Dai Nippon Printing Co., Ltd.
- Daijiro Kodama
- G02 - OPTICS
Information Patent Application
Diffusing sheet, surface light source unit, and transmission type d...
- Publication number 20050270654
- Publication date Dec 8, 2005
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- G02 - OPTICS