Xiaohua Yuan

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Circuit switch voice roaming to LTE network
- Patent number 9,749,904
- Issue date Aug 29, 2017
- Syniverse Communications, Inc.
- David Xining Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for data access using a dynamic SIM credential
- Patent number 9,749,316
- Issue date Aug 29, 2017
- Syniverse Communications, Inc.
- David Xining Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of and system for data access over dual data channels with d...
- Patent number 9,426,658
- Issue date Aug 23, 2016
- Syniverse Communications, Inc.
- David Xining Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of and system for data access over dual data channels with d...
- Patent number 8,838,070
- Issue date Sep 16, 2014
- Aicent, Inc.
- David Xining Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF AND SYSTEM FOR DATA ACCESS OVER DUAL DATA CHANNELS WITH D...
- Publication number 20150004940
- Publication date Jan 1, 2015
- AICENT, INC.
- David Xining Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF AND SYSTEM FOR DATA ACCESS OVER DUAL DATA CHANNELS WITH D...
- Publication number 20130065557
- Publication date Mar 14, 2013
- AICENT, INC.
- David Xining Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE