Chang; Xiangqing

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; Xiangqing.The latest application filed is for "implementing dual-homed node protection".

Company Profile

0.16.15

Chang; Xiangqing - Beijing CN
Chang; Xiangqing - Beijing City CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Implementing dual-homed node protection Grant 9,426,678 - Chang , et al. August 23, 2	2016-08-23
Preventing roaming user terminal re-authentication Grant 9,173,082 - Chang , et al. October 27, 2	2015-10-27
Dual-homing protection Grant 9,036,561 - Chang , et al. May 19, 2	2015-05-19
Apparatus and method for processing packet Grant 8,908,689 - Chang , et al. December 9, 2	2014-12-09
Implementing Dual-Homed Node Protection App 20140334292 - Chang; Xiangqing ; et al.	2014-11-13
Dual-homing Protection App 20140301275 - Chang; Xiangqing ; et al.	2014-10-09
Method and apparatus for packet processing Grant 8,559,423 - Wang , et al. October 15, 2	2013-10-15
Preventing Roaming User Terminal Re-authenication App 20130265941 - Chang; Xiangqing ; et al.	2013-10-10
Method And Apparatus For Evaluating An Air Interface Condition Of A Wlan App 20130223273 - Chang; Xiangqing ; et al.	2013-08-29
Method and apparatus for ensuring packet transmission security Grant 8,392,701 - Chang , et al. March 5, 2	2013-03-05
Method, apparatus and system for internet key exchange negotiation Grant 8,327,129 - Ren , et al. December 4, 2	2012-12-04
Method for implementing security-related processing on packet and network security device Grant 8,316,432 - Wang , et al. November 20, 2	2012-11-20
Method and an apparatus for processing packets Grant 8,259,740 - Li , et al. September 4, 2	2012-09-04
Method, program, and system for implementing centralized control plane and distributed data plane Grant 8,249,038 - Chang , et al. August 21, 2	2012-08-21
Deleting a shared resource node after reserving its identifier in delete pending queue until deletion condition is met to allow continued access for currently accessing processor Grant 8,190,857 - Meng , et al. May 29, 2	2012-05-29
Apparatus And Method For Processing Packet App 20110249674 - Chang; Xiangqing ; et al.	2011-10-13
Method And Apparatus For Ensuring Packet Transmission Security App 20110252228 - Chang; Xiangqing ; et al.	2011-10-13
Method And An Apparatus For Processing Packets App 20100322239 - Li; Xiao ; et al.	2010-12-23
Method, Apparatus And System For Internet Key Exchange Negotiation App 20100313023 - Ren; Weichen ; et al.	2010-12-09
Method, Program, And System For Implementing Centralized Control Plane And Distributed Data Plane App 20100260181 - Chang; Xiangqing ; et al.	2010-10-14
Method And Apparatus For Packet Processing App 20100195647 - Wang; Ju ; et al.	2010-08-05
Method For Implementing Security-related Processing On Packet And Network Security Device App 20100132028 - Wang; Ju ; et al.	2010-05-27
Method and Apparatus for Accelerating the Access of a Multi-Core System to Critical Resources App 20090070560 - Meng; Dan ; et al.	2009-03-12

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