Yasuko Fujise

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Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
Network conferencing system, attendance authentication method and p...
- Publication number 20040117194
- Publication date Jun 17, 2004
- Sony Corporation
- Seikei Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network conferencing system, attendance authentication method and p...
- Publication number 20030171938
- Publication date Sep 11, 2003
- Sony Corporation
- Seikei Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE