Katsuhisa Tatsukawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication system, authentication method, information processing...
- Patent number 8,387,113
- Issue date Feb 26, 2013
- Sony Corporation
- Hidetoshi Shimada
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION SYSTEM, AUTHENTICATION METHOD, INFORMATION PROCESSING...
- Publication number 20090125979
- Publication date May 14, 2009
- SONY CORPORATION
- Hidetoshi Shimada
- G06 - COMPUTING CALCULATING COUNTING