Jun Zhao

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Hamilton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Role-based presence enabled service for communication system
- Patent number 7,516,210
- Issue date Apr 7, 2009
- Mitel Networks Corporation
- Ramiro Liscano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Role-based presence enabled service for communication system
- Publication number 20050102389
- Publication date May 12, 2005
- MITSUBISHI CHEMICAL CORPORATION
- Ramiro Liscano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE