Naofumi Kakehi

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Matrix panel display apparatus and driving method therefor wherein...
- Patent number 7,355,575
- Issue date Apr 8, 2008
- Hitachi, Ltd.
- Masayuki Ota
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS