Inventor
CHEN ZESEN
US24 patents
⚠️ This page may combine multiple inventors who share the name “CHEN ZESEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T IP I LP
12 patentsUS7832006B2Nov 9, 2010
System and method for providing network security
AT & T IP I LP148 citations98
US7429988B2Sep 30, 2008
Methods and apparatus for convenient change of display characters on a handheld device
AT & T IP I LP28 citations90
US8014542B2Sep 6, 2011
System and method of providing audio content
AT & T IP I LP9 citations81
US7818775B2Oct 19, 2010
System and method for recording and time-shifting programming in a television distribution system with limited content retention
AT & T IP I LP5 citations73
US7983176B2Jul 19, 2011
Method and system for monitoring communications of an individual in a packet network
AT & T IP I LP2 citations63
US7889744B2Feb 15, 2011
Method and apparatus for automatic synchronization of monitoring points of a network management system along a permanent virtual circuit
AT & T IP I LP2 citations63
US7773503B2Aug 10, 2010
Proactive congestion control scheme for VoIP traffic on IP routers
AT & T IP I LP3 citations59
US9071874B2Jun 30, 2015
System and method for recording and time-shifting programming in a television distribution system using policies
AT & T IP I LP0 citations52
US8745686B2Jun 3, 2014
System and method for recording and time-shifting programming in a television distribution system with limited content retention
AT & T IP I LP0 citations52
US7934089B2Apr 26, 2011
System and method for processing data and communicating encrypted data
AT & T IP I LP0 citations51
US7752550B2Jul 6, 2010
System and method for providing managed point to point services
AT & T IP I LP1 citations51
US7627749B2Dec 1, 2009
System and method for processing data and communicating encrypted data
AT & T IP I LP0 citations51
CHEN ZESEN
6 patentsUS8474003B2Jun 25, 2013
System and method for recording and time-shifting programming in a television distribution system with limited content retention
CHEN ZESEN5 citations83
US8789128B2Jul 22, 2014
System and method for recording and time-shifting programming in a television distribution system using policies
CHEN ZESEN5 citations72
US8087059B2Dec 27, 2011
System and method for recording and time-shifting programming in a television distribution system with limited content retention
CHEN ZESEN5 citations72
US9038173B2May 19, 2015
System and method for providing network security
CHEN ZESEN0 citations51
US8286242B2Oct 9, 2012
System and method for providing network security
CHEN ZESEN0 citations51
US8798286B2Aug 5, 2014
System and method of providing audio content
CHEN ZESEN0 citations48
SBC KNOWLEDGE VENTURES LP
3 patentsUS7647041B2Jan 12, 2010
Systems, methods, and apparatus to enable backup wireless devices
SBC KNOWLEDGE VENTURES LP45 citations94
US7551624B2Jun 23, 2009
System to enforce service level agreements for voice-over internet protocol
SBC KNOWLEDGE VENTURES LP0 citations52
US7860494B2Dec 28, 2010
Systems, methods, and apparatus to enable backup wireless devices
SBC KNOWLEDGE VENTURES LP0 citations50