Kohei Okada

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Individual examination execution device
- Patent number 7,780,452
- Issue date Aug 24, 2010
- Panasonic Corporation
- Kohei Okada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Individual Examination Execution Device
- Publication number 20080020366
- Publication date Jan 24, 2008
- Kohei Okada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS