Tetsuo Yamaoka

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Chiba, JP

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Patents Applicationslast 30 patents

Information Patent Application
Communication system for selecting communication method
- Publication number 20090061893
- Publication date Mar 5, 2009
- Hitachi, Ltd.
- Junji Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless communication system for communicating via wireless LAN
- Publication number 20090059879
- Publication date Mar 5, 2009
- Hitachi, Ltd.
- Ryouji Yamaoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE