Inventor
ZHU YINJUN
US43 patents
⚠️ This page may combine multiple inventors who share the name “ZHU YINJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TELECOMM SYSTEMS INC
21 patentsUS7424293B2Sep 9, 2008
User plane location based service using message tunneling to support roaming
TELECOMM SYSTEMS INC128 citations99
US7260186B2Aug 21, 2007
Solutions for voice over internet protocol (VoIP) 911 location services
TELECOMM SYSTEMS INC295 citations98
US7764961B2Jul 27, 2010
Mobile based area event handling when currently visited network does not cover area
TELECOMM SYSTEMS INC94 citations97
US7912446B2Mar 22, 2011
Solutions for voice over internet protocol (VoIP) 911 location services
TELECOMM SYSTEMS INC13 citations92
US9408034B2Aug 2, 2016
Extended area event for network based proximity discovery
TELECOMM SYSTEMS INC9 citations84
US7929530B2Apr 19, 2011
Ancillary data support in session initiation protocol (SIP) messaging
TELECOMM SYSTEMS INC12 citations84
US8385881B2Feb 26, 2013
Solutions for voice over internet protocol (VoIP) 911 location services
TELECOMM SYSTEMS INC9 citations83
US9584661B2Feb 28, 2017
Extended efficient usage of emergency services keys
TELECOMM SYSTEMS INC3 citations72
US9173059B2Oct 27, 2015
Mobile internet protocol (IP) location
TELECOMM SYSTEMS INC1 citations63
US9288615B2Mar 15, 2016
Location service requests throttling
TELECOMM SYSTEMS INC2 citations62
US9237228B2Jan 12, 2016
Solutions for voice over internet protocol (VoIP) 911 location services
TELECOMM SYSTEMS INC2 citations62
US9197992B2Nov 24, 2015
User plane location services over session initiation protocol (SIP)
TELECOMM SYSTEMS INC1 citations62
US9131357B2Sep 8, 2015
Emergency 911 data messaging
TELECOMM SYSTEMS INC2 citations61
US9572009B2Feb 14, 2017
Extended area event for network based proximity discovery
TELECOMM SYSTEMS INC1 citations52
US9538352B2Jan 3, 2017
Ancillary data support in session initiation protocol (SIP) messaging
TELECOMM SYSTEMS INC1 citations52
US9344844B2May 17, 2016
Mobile internet protocol (IP) location
TELECOMM SYSTEMS INC0 citations52
US9271138B2Feb 23, 2016
User plane location based service using message tunneling to support roaming
TELECOMM SYSTEMS INC0 citations52
US9088614B2Jul 21, 2015
User plane location services over session initiation protocol (SIP)
TELECOMM SYSTEMS INC0 citations52
US8965360B2Feb 24, 2015
User plane location based service using message tunneling to support roaming
TELECOMM SYSTEMS INC0 citations52
US9544429B2Jan 10, 2017
Solutions for voice over internet protocol (VoIP) 911 location services
TELECOMM SYSTEMS INC0 citations51
US9467826B2Oct 11, 2016
Emergency 911 data messaging
TELECOMM SYSTEMS INC0 citations50
ZHU YINJUN
11 patentsUS8682321B2Mar 25, 2014
Mobile internet protocol (IP) location
ZHU YINJUN9 citations84
US8126458B2Feb 28, 2012
User plane location based service using message tunneling to support roaming
ZHU YINJUN8 citations84
US8660573B2Feb 25, 2014
Location service requests throttling
ZHU YINJUN8 citations83
US9628521B2Apr 18, 2017
Hybrid location
ZHU YINJUN3 citations65
US8626160B2Jan 7, 2014
User plane location based service using message tunneling to support roaming
ZHU YINJUN1 citations62
US8249589B2Aug 21, 2012
Mobile based area event handling when currently visited network does not cover area
ZHU YINJUN4 citations62
US8867485B2Oct 21, 2014
Multiple location retrieval function (LRF) network having location continuity
ZHU YINJUN0 citations52
US8666397B2Mar 4, 2014
Area event handling when current network does not cover target area
ZHU YINJUN1 citations52
US9426618B2Aug 23, 2016
User plane location services over session initiation protocol (SIP)
ZHU YINJUN0 citations51
US8798572B2Aug 5, 2014
Solutions for voice over internet protocol (VoIP) 911 location services
ZHU YINJUN0 citations51
US9282451B2Mar 8, 2016
Automatic location identification (ALI) service requests steering, connection sharing and protocol translation
ZHU YINJUN0 citations43
GELDENBOTT GERHARD
3 patentsUS8208605B2Jun 26, 2012
Extended efficient usage of emergency services keys
GELDENBOTT GERHARD7 citations82
US8885796B2Nov 11, 2014
Extended efficient usage of emergency services keys
GELDENBOTT GERHARD3 citations61
US8532266B2Sep 10, 2013
Efficient usage of emergency services keys
GELDENBOTT GERHARD0 citations51
T MOBILE USA INC
3 patentsUS12575002B2Mar 10, 2026
Location services node based call state reason information management
T MOBILE USA INC0 citations52
US11330103B1May 10, 2022
Call state notification for emergency call processing
T MOBILE USA INC0 citations52
US12132627B1Oct 29, 2024
Machine learning model for assessing network performance
T MOBILE USA INC0 citations46