Hiroshi Tokuyama

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Mobara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal display device
- Patent number 8,269,911
- Issue date Sep 18, 2012
- Hitachi Displays, Ltd.
- Saburo Watanabe
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Liquid crystal display device
- Patent number 7,855,761
- Issue date Dec 21, 2010
- Hitachi Displays, Ltd.
- Saburo Watanabe
- G02 - OPTICS
Information Patent Grant
Planar illumination device and liquid crystal display device using...
- Patent number 7,837,375
- Issue date Nov 23, 2010
- Hitachi Displays, Ltd.
- Saburo Watanabe
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Liquid crystal display device
- Publication number 20090185099
- Publication date Jul 23, 2009
- Hitachi Displays, Ltd.
- Saburo Watanabe
- G02 - OPTICS
Information Patent Application
Liquid Crystal Display Device
- Publication number 20090109368
- Publication date Apr 30, 2009
- Hitachi Displays, Ltd.,
- Saburo WATANABE
- G02 - OPTICS
Information Patent Application
Planar illumination device and liquid crystal display device using...
- Publication number 20070152135
- Publication date Jul 5, 2007
- Saburo Watanabe
- G02 - OPTICS
Information Patent Application
Liquid crystal display device and backlight device
- Publication number 20070133222
- Publication date Jun 14, 2007
- Saburo Watanabe
- G02 - OPTICS
Information Patent Application
Display device
- Publication number 20050195341
- Publication date Sep 8, 2005
- Nobuyuki Koganezawa
- G02 - OPTICS