Tadakage Seki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for driving an organic EL display device
- Patent number 7,154,494
- Issue date Dec 26, 2006
- Optrex Corporation
- Naoki Kato
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Method and device for driving an organic EL display device
- Publication number 20050242747
- Publication date Nov 3, 2005
- OPTREX CORPORATION
- Naoki Kato
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS