Chuan Xu

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Beijing, CN

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Patents Applicationslast 30 patents

Information Patent Application
Method for Establishing a Packet Switched Call at a Dual Mode Acces...
- Publication number 20100111002
- Publication date May 6, 2010
- MOTOROLA, INC.
- Xiang Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for Establishing a Circuit Switched Call at a Dual Mode Acce...
- Publication number 20100067456
- Publication date Mar 18, 2010
- MOTOROLA, INC.
- Xiang Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR ENABLING A CONFERENCE CALL
- Publication number 20090325561
- Publication date Dec 31, 2009
- Chuan Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Service provider subsidy lock
- Publication number 20070129057
- Publication date Jun 7, 2007
- Chuan Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE