Inventor
KHAN RICHARD L
US14 patents
⚠️ This page may combine multiple inventors who share the name “KHAN RICHARD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T IP I LP
5 patentsUS9019870B2Apr 28, 2015
Systems and methods for location management and emergency support for a voice over internet protocol device
AT & T IP I LP75 citations97
US8938209B2Jan 20, 2015
Method to implement E911 services in IMS (IP multimedia subsystem)
AT & T IP I LP23 citations92
US9432467B2Aug 30, 2016
Systems and methods for location management and emergency support for a voice over internet protocol device
AT & T IP I LP0 citations52
US9380440B2Jun 28, 2016
Method to implement E911 services in IMS (IP multimedia subsystem)
AT & T IP I LP0 citations51
US9578127B2Feb 21, 2017
Method and apparatus for call processing for SIP and ISUP interworking
AT & T IP I LP0 citations46
QIU CHAOXIN
4 patentsUS8189568B2May 29, 2012
System and method for location management and emergency support for a voice over internet protocol device
QIU CHAOXIN37 citations92
US9264290B2Feb 16, 2016
System and method for location management and emergency support for a voice over internet protocol device
QIU CHAOXIN3 citations72
US8606901B2Dec 10, 2013
Facilitating deployment of new application services in a next generation network
QIU CHAOXIN2 citations62
US8798095B2Aug 5, 2014
Method and apparatus for call processing for SIP and ISUP interworking
QIU CHAOXIN0 citations46
QIU CHAOXIN CHARLES
2 patentsUS8620257B2Dec 31, 2013
Systems and methods for location management and emergency support for a voice over internet protocol device
QIU CHAOXIN CHARLES107 citations97
US8576833B2Nov 5, 2013
Fault tolerant voice over Internet protocol (VoIP) systems and methods to operate the same
QIU CHAOXIN CHARLES4 citations61