Tetsuya Sekiguchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information processing system for e-mail, information processing me...
- Patent number 7,020,650
- Issue date Mar 28, 2006
- Sony Corporation
- Kazumasa Sato
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Information processing system for e-mail, information processing me...
- Publication number 20020184209
- Publication date Dec 5, 2002
- Kazumasa Sato
- G06 - COMPUTING CALCULATING COUNTING