Ryoichi Matsumoto

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric-field communication device
- Patent number 8,666,312
- Issue date Mar 4, 2014
- Nippon Telegraph and Telephone Corporation
- Ryusuke Kawano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Electric-Field Communication Device
- Publication number 20100105323
- Publication date Apr 29, 2010
- Nippon Telegraph and Telephone Corporation
- Ryusuke Kawano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE