Chiharu Kawaguchi

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Mobara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display device with tone correction circuit
- Patent number 8,188,956
- Issue date May 29, 2012
- Hitachi Displays, Ltd.
- Ryutaro Oke
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY DEVICE
- Publication number 20090102766
- Publication date Apr 23, 2009
- Ryutaro OKE
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS