Guofan Tong

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for authenticating short message calling party
- Patent number 7,957,754
- Issue date Jun 7, 2011
- Huawei Technologies Co., Ltd.
- Youjun Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for providing RBT in communication network
- Patent number 7,889,856
- Issue date Feb 15, 2011
- Huawei Technologies Co., Ltd.
- Bin Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and System for Authenticating Short Message Calling Party
- Publication number 20070149225
- Publication date Jun 28, 2007
- Huawei Technologies Co., Ltd
- Youjun Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for providing RBT in communication network
- Publication number 20060153355
- Publication date Jul 13, 2006
- Huawei Technologies Co., Ltd
- Bin Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE