Ryuji Tsuchiya

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Ehime, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hollow type planar illuminating device
- Patent number 7,980,746
- Issue date Jul 19, 2011
- Harison Toshiba Lighting Corporation
- Ryuji Tsuchiya
- F21 - LIGHTING
Information Patent Grant
Backlight for liquid crystal display device
- Patent number 7,965,350
- Issue date Jun 21, 2011
- Harison Toshiba Lighting Corporation
- Ryuji Tsuchiya
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20120075326
- Publication date Mar 29, 2012
- HARISON TOSHIBA LIGHTING Corp.
- Ryuji TSUCHIYA
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
HOLLOW TYPE PLANAR ILLUMINATNG DEVICE
- Publication number 20100208490
- Publication date Aug 19, 2010
- HARISON TOSHIBA LIGHTING CORPORATION
- Ryuji Tsuchiya
- G02 - OPTICS
Information Patent Application
Hollow Planar Illuminating Apparatus
- Publication number 20100060172
- Publication date Mar 11, 2010
- HARISON TOSHIBA LIGHTING CORPORATION
- Shota Ikebe
- G02 - OPTICS
Information Patent Application
Surface Light-Emitting Device and Display Device Using the Same
- Publication number 20100059767
- Publication date Mar 11, 2010
- Harison Toshiba Lighting Corporation
- Yoji KAWASAKI
- G02 - OPTICS
Information Patent Application
BACKLIGHT FOR LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20090046220
- Publication date Feb 19, 2009
- HARISON TOSHIBA LIGHTING CORPORATION
- Ryuji Tsuchiya
- G02 - OPTICS