Kouichi Matumoto

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
D/A conversion circuit, organic EL drive circuit and organic EL dis...
- Patent number 7,629,908
- Issue date Dec 8, 2009
- Rohm Co., Ltd.
- Kouichi Matumoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
D/A CONVERSION CIRCUIT, ORGANIC EL DRIVE CIRCUIT AND ORGANIC EL DIS...
- Publication number 20090179783
- Publication date Jul 16, 2009
- Kouichi Matumoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS