Jin Sun

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Guangdong Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
System and method for playing a color ring back tone based on the c...
- Patent number 8,326,273
- Issue date Dec 4, 2012
- ZTE Corporation
- Guoqiang Shang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for protecting incoming calls in coloring ring back tone ser...
- Patent number 7,792,260
- Issue date Sep 7, 2010
- ZTE Corporation
- Haijun Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND A METHOD FOR PLAYING COLORING RING BACK TONE BASED ON TH...
- Publication number 20100151824
- Publication date Jun 17, 2010
- ZTE Corporation
- Guoqiang Shang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for protecting incoming calls in coloring ring back tone ser...
- Publication number 20090180605
- Publication date Jul 16, 2009
- ZTE Corporation
- Haijun Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE