Tsugumichi Shibata

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Kawagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Noncontact type IC card and system therefor
- Patent number 6,343,744
- Issue date Feb 5, 2002
- Nippon Telegraph and Telephone Corporation
- Tsugumichi Shibata
- G06 - COMPUTING CALCULATING COUNTING