Inventor · disambiguated record
Zesen Chen
Also filed as: CHEN ZESEN
24 granted patents·7 pending applications·259 citations·filing 2002–2014
94Inventor score
Files withAT & T IP I LP12SBC KNOWLEDGE VENTURES LP8CHEN ZESEN6SBC PROPERTIES LP2AT & T INTELLECTUAL PROPERTY 11
Top patents by PatentIndex Score
31 records- 0198US7832006B2System and method for providing network securityAT & T IP I LP·Filed 2005·Granted Nov 9, 2010·148 cites·20 claims
- 0294US7647041B2Systems, methods, and apparatus to enable backup wireless devicesSBC KNOWLEDGE VENTURES LP·Filed 2006·Granted Jan 12, 2010·45 cites·49 claims
- 0389US7429988B2Methods and apparatus for convenient change of display characters on a handheld deviceAT & T IP I LP·Filed 2006·Granted Sep 30, 2008·28 cites·9 claims
- 0485US8474003B2System and method for recording and time-shifting programming in a television distribution system with limited content retentionCHEN ZESEN·Filed 2011·Granted Jun 25, 2013·5 cites·17 claims
- 0585US8087059B2System and method for recording and time-shifting programming in a television distribution system with limited content retentionCHEN ZESEN·Filed 2010·Granted Dec 27, 2011·5 cites·16 claims
- 0682US7818775B2System and method for recording and time-shifting programming in a television distribution system with limited content retentionAT & T IP I LP·Filed 2005·Granted Oct 19, 2010·5 cites·16 claims
- 0779US8014542B2System and method of providing audio contentAT & T IP I LP·Filed 2005·Granted Sep 6, 2011·9 cites·36 claims
- 0878US8789128B2System and method for recording and time-shifting programming in a television distribution system using policiesCHEN ZESEN·Filed 2005·Granted Jul 22, 2014·5 cites·16 claims
- 0968US7983176B2Method and system for monitoring communications of an individual in a packet networkAT & T IP I LP·Filed 2005·Granted Jul 19, 2011·2 cites·17 claims
- 1064US7773503B2Proactive congestion control scheme for VoIP traffic on IP routersAT & T IP I LP·Filed 2005·Granted Aug 10, 2010·3 cites·19 claims
- 1161US7889744B2Method and apparatus for automatic synchronization of monitoring points of a network management system along a permanent virtual circuitAT & T IP I LP·Filed 2005·Granted Feb 15, 2011·2 cites·15 claims
- 1259US8745686B2System and method for recording and time-shifting programming in a television distribution system with limited content retentionAT & T IP I LP·Filed 2013·Granted Jun 3, 2014·0 cites·20 claims
- 1359US8161178B2System and method for providing managed point to point servicesGONSALVES BRIAN·Filed 2010·Granted Apr 17, 2012·1 cites·20 claims
- 1458US9071874B2System and method for recording and time-shifting programming in a television distribution system using policiesAT & T IP I LP·Filed 2014·Granted Jun 30, 2015·0 cites·20 claims
- 1556US7934089B2System and method for processing data and communicating encrypted dataAT & T IP I LP·Filed 2009·Granted Apr 26, 2011·0 cites·17 claims
- 1654US7860494B2Systems, methods, and apparatus to enable backup wireless devicesSBC KNOWLEDGE VENTURES LP·Filed 2009·Granted Dec 28, 2010·0 cites·13 claims
- 1752US9038173B2System and method for providing network securityCHEN ZESEN·Filed 2012·Granted May 19, 2015·0 cites·20 claims
- 1852US7627749B2System and method for processing data and communicating encrypted dataAT & T IP I LP·Filed 2007·Granted Dec 1, 2009·0 cites·18 claims
- 1951US8798286B2System and method of providing audio contentCHEN ZESEN·Filed 2011·Granted Aug 5, 2014·0 cites·20 claims
- 2051US7752550B2System and method for providing managed point to point servicesAT & T IP I LP·Filed 2003·Granted Jul 6, 2010·1 cites·23 claims
- 2149US8286242B2System and method for providing network securityCHEN ZESEN·Filed 2010·Granted Oct 9, 2012·0 cites·18 claims
- 2248US7551624B2System to enforce service level agreements for voice-over internet protocolSBC KNOWLEDGE VENTURES LP·Filed 2005·Granted Jun 23, 2009·0 cites·14 claims
- 2347US7225329B2Enhanced CSU/DSU (channel service unit/data service unit)SBC PROPERTIES LP·Filed 2003·Granted May 29, 2007·0 cites·14 claims
- 2446US2007116184A1Method for testing the integrity of a communication cableSBC KNOWLEDGE VENTURES LP·Filed 2005·Application pending·0 cites
- 2546US2005195862A1System and method for transparent adjustment of a network node timing componentSBC KNOWLEDGE VENTURES LP·Filed 2004·Application pending·0 cites
- 2646US2005195751A1System and method for identifying devices using a point to point protocolSBC KNOWLEDGE VENTURES LP·Filed 2004·Application pending·0 cites
- 2745US7646726B2System for detecting packetization delay of packets in a networkAT & T INTELLECTUAL PROPERTY 1·Filed 2005·Granted Jan 12, 2010·0 cites·14 claims
- 2845US2007118857A1System and method of recording video contentSBC KNOWLEDGE VENTURES LP·Filed 2005·Application pending·0 cites
- 2944US2004083290A1Software implemented virtual private network serviceFiled 2002·Application pending·0 cites
- 3044US2004139354A1System for user authenticationSBC PROPERTIES LP·Filed 2003·Application pending·0 cites
- 3142US2007121509A1System and method for predicting updates to network operationsSBC KNOWLEDGE VENTURES LP·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Zesen Chen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →