Yasuhiro Tagawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Self-light emitting device panel, image display device and passive...
- Patent number 8,896,637
- Issue date Nov 25, 2014
- Sony Corporation
- Yasuhiro Tagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Backlight device
- Patent number 7,946,723
- Issue date May 24, 2011
- Sony Corporation
- Takashi Oku
- G02 - OPTICS
Information Patent Grant
Color filter and color LCD apparatus having red filter with a peak...
- Patent number 7,808,585
- Issue date Oct 5, 2010
- Sony Corporation
- Shuichi Haga
- G02 - OPTICS
Information Patent Grant
Backlight device and color liquid crystal display apparatus
- Patent number 7,663,714
- Issue date Feb 16, 2010
- Sony Corporation
- Shuichi Haga
- G02 - OPTICS
Information Patent Grant
Device for controlling light emission rates of a backlight
- Patent number 7,176,640
- Issue date Feb 13, 2007
- Sony Corporation
- Yasuhiro Tagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
SELF-LIGHT EMITTING DEVICE PANEL, IMAGE DISPLAY DEVICE AND PASSIVE...
- Publication number 20110080434
- Publication date Apr 7, 2011
- SONY CORPORATION
- Yasuhiro Tagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Backlight Device
- Publication number 20080285268
- Publication date Nov 20, 2008
- Takashi Oku
- G02 - OPTICS
Information Patent Application
Color Filter and Color Liquid Crystal Display Apparatus
- Publication number 20080186433
- Publication date Aug 7, 2008
- Shuichi Haga
- G02 - OPTICS
Information Patent Application
Backlight device and color liquid crystal display apparatus
- Publication number 20070182887
- Publication date Aug 9, 2007
- Shuichi Haga
- G02 - OPTICS
Information Patent Application
Control device
- Publication number 20060038511
- Publication date Feb 23, 2006
- SONY CORPORATION
- Yasuhiro Tagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS