Zhaohui Zhen

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for join background sound to mobile communication talking
- Patent number 8,036,644
- Issue date Oct 11, 2011
- China Mobile Communications Corporation
- Nan Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method for join background sound to mobile communication talking
- Publication number 20090233581
- Publication date Sep 17, 2009
- CHINA MOBILE COMMUNICATIONS CORPORATION
- Nan Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE