Toru Kokogawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display device and method for manufacturing the same
- Patent number 8,657,456
- Issue date Feb 25, 2014
- Mitsubishi Electric Corporation
- Yusuke Yamagata
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device and method of producing the same
- Patent number 8,040,476
- Issue date Oct 18, 2011
- Mitsubishi Electric Corporation
- Takumi Nakahata
- B32 - LAYERED PRODUCTS
Information Patent Grant
Backlight device and transmission type display apparatus
- Patent number 7,855,763
- Issue date Dec 21, 2010
- Mitsubishi Electric Corporation
- Akimasa Yuuki
- G02 - OPTICS
Information Patent Grant
Surface light source apparatus
- Patent number 7,490,972
- Issue date Feb 17, 2009
- Mitsubishi Electric Corporation
- Toru Kokogawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY DEVICE AND METHOD FOR MANUFACTURING SAME
- Publication number 20120020056
- Publication date Jan 26, 2012
- Mitsubishi Electric Corporation
- Yusuke Yamagata
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DISPLAY DEVICE AND METHOD OF PRODUCING THE SAME
- Publication number 20090290113
- Publication date Nov 26, 2009
- MITSUBISHI ELECTRIC CORPORATION
- Takumi Nakahata
- G02 - OPTICS
Information Patent Application
BACKLIGHT DEVICE AND TRANSMISSION TYPE DISPLAY APPARATUS
- Publication number 20080198295
- Publication date Aug 21, 2008
- MITSUBISHI ELECTRIC CORPORATION
- Akimasa Yuuki
- G02 - OPTICS
Information Patent Application
Surface light source apparatus
- Publication number 20070053207
- Publication date Mar 8, 2007
- MITSUBISHI ELECTRIC CORPORATION
- Toru Kokogawa
- G02 - OPTICS