Tetsuya Ichikawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Data conversion device and data conversion method
- Patent number 7,639,800
- Issue date Dec 29, 2009
- Mitsubishi Denki Kabushiki Kaisha
- Tomomi Kasuya
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Data conversion device and data conversion method
- Publication number 20050226407
- Publication date Oct 13, 2005
- Tomomi Kasuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE