Yuji Yamawaki

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Chiyoda-ku Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
RELAY DEVICE, COMMUNICATION SYSTEM, AND CONTROL METHOD AND PROGRAM...
- Publication number 20090052435
- Publication date Feb 26, 2009
- Adln Research, Inc.
- Ken Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tunnel Device, Relay Device, Terminal Device, Call Control System,...
- Publication number 20080267096
- Publication date Oct 30, 2008
- Adin Research, Inc.
- Ken Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE