Assignee
CHANG XIANGQING
CN·5 granted patents·1 pending application·3 citations·filing 2008–2012
Top patents by PatentIndex Score
6 records- 0165US9173082B2Preventing roaming user terminal re-authenticationCHANG XIANGQING·Filed 2011·Granted Oct 27, 2015·2 cites·13 claims
- 0255US8392701B2Method and apparatus for ensuring packet transmission securityCHANG XIANGQING·Filed 2008·Granted Mar 5, 2013·1 cites·21 claims
- 0344US8249038B2Method, program, and system for implementing centralized control plane and distributed data planeCHANG XIANGQING·Filed 2008·Granted Aug 21, 2012·0 cites·8 claims
- 0443US8908689B2Apparatus and method for processing packetCHANG XIANGQING·Filed 2008·Granted Dec 9, 2014·0 cites·14 claims
- 0536US9036561B2Dual-homing protectionCHANG XIANGQING·Filed 2012·Granted May 19, 2015·0 cites·15 claims
- 0636US2013223273A1Method and apparatus for evaluating an air interface condition of a wlanCHANG XIANGQING·Filed 2011·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →