Hirofumi Watsuda

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Voltage supplying device
- Patent number 8,026,888
- Issue date Sep 27, 2011
- TPO Hong Kong Holding Limited
- Hajime Nagai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Device and method for varying the row scanning time to compensate t...
- Patent number 7,233,323
- Issue date Jun 19, 2007
- TPO Hong Kong Holding Limited
- Hirofumi Watsuda
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
ACTIVE MATRIX DISPLAY DEVICES AND ELECTRONIC APPARATUSES USING THE...
- Publication number 20120068991
- Publication date Mar 22, 2012
- CHIMEI INNOLUX CORPORATION
- Hirofumi Watsuda
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DISPLAY AND ELECTRONIC APPARATUS EQUIPPED WITH SAME
- Publication number 20100214272
- Publication date Aug 26, 2010
- TPO Displays Corp.
- Hirofumi Watsuda
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Voltage Supplying Device
- Publication number 20070216820
- Publication date Sep 20, 2007
- Koninklijke Philips Electronics N.V.
- Hajime Nagai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS