Yichu ZHENG

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for implementing RBT interworking, media gateway control fun...
- Patent number 8,553,869
- Issue date Oct 8, 2013
- Huawei Technologies Co., Ltd.
- Haopeng Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for implementing multimedia ring back tone service
- Patent number 8,131,265
- Issue date Mar 6, 2012
- Huawei Technologies Co., Ltd.
- Yihua Cheng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method for Implementing RBT Interworking, Media Gateway Control Fun...
- Publication number 20100066801
- Publication date Mar 18, 2010
- Huawei Technologies Co., Ltd
- Haopeng ZHU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR IMPLEMENTING MULTIMEDIA RING BACK TONE SERVICE
- Publication number 20080102800
- Publication date May 1, 2008
- Huawei Technologies Co., Ltd.
- Yihua Cheng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE