Inventor · disambiguated record
Yinjun Zhu
Also filed as: ZHU YINJUN
41 granted patents·15 pending applications·709 citations·filing 2001–2024
98Inventor score
Files withTELECOMM SYSTEMS INC28ZHU YINJUN16GELDENBOTT GERHARD3T MOBILE USA INC3MITCHELL JR DONALD L2
Top patents by PatentIndex Score
56 records- 0198US7260186B2Solutions for voice over internet protocol (VoIP) 911 location servicesTELECOMM SYSTEMS INC·Filed 2004·Granted Aug 21, 2007·295 cites·16 claims
- 0297US7764961B2Mobile based area event handling when currently visited network does not cover areaTELECOMM SYSTEMS INC·Filed 2009·Granted Jul 27, 2010·94 cites·22 claims
- 0397US7424293B2User plane location based service using message tunneling to support roamingTELECOMM SYSTEMS INC·Filed 2003·Granted Sep 9, 2008·128 cites·15 claims
- 0496US8185087B2Emergency 911 data messagingMITCHELL JR DONALD L·Filed 2008·Granted May 22, 2012·81 cites·5 claims
- 0591US8126458B2User plane location based service using message tunneling to support roamingZHU YINJUN·Filed 2011·Granted Feb 28, 2012·8 cites·10 claims
- 0690US9408034B2Extended area event for network based proximity discoveryTELECOMM SYSTEMS INC·Filed 2014·Granted Aug 2, 2016·9 cites·16 claims
- 0790US7912446B2Solutions for voice over internet protocol (VoIP) 911 location servicesTELECOMM SYSTEMS INC·Filed 2007·Granted Mar 22, 2011·13 cites·6 claims
- 0889US8682321B2Mobile internet protocol (IP) locationZHU YINJUN·Filed 2012·Granted Mar 25, 2014·9 cites·17 claims
- 0989US8385881B2Solutions for voice over internet protocol (VoIP) 911 location servicesTELECOMM SYSTEMS INC·Filed 2011·Granted Feb 26, 2013·9 cites·32 claims
- 1084US7929530B2Ancillary data support in session initiation protocol (SIP) messagingTELECOMM SYSTEMS INC·Filed 2008·Granted Apr 19, 2011·12 cites·20 claims
- 1181US8874068B2Emergency 911 data messagingMITCHELL JR DONALD L·Filed 2012·Granted Oct 28, 2014·4 cites·21 claims
- 1281US8660573B2Location service requests throttlingZHU YINJUN·Filed 2005·Granted Feb 25, 2014·8 cites·11 claims
- 1381US8249589B2Mobile based area event handling when currently visited network does not cover areaZHU YINJUN·Filed 2010·Granted Aug 21, 2012·4 cites·15 claims
- 1480US8208605B2Extended efficient usage of emergency services keysGELDENBOTT GERHARD·Filed 2007·Granted Jun 26, 2012·7 cites·10 claims
- 1578US9584661B2Extended efficient usage of emergency services keysTELECOMM SYSTEMS INC·Filed 2014·Granted Feb 28, 2017·3 cites·17 claims
- 1678US9237228B2Solutions for voice over internet protocol (VoIP) 911 location servicesTELECOMM SYSTEMS INC·Filed 2014·Granted Jan 12, 2016·2 cites·12 claims
- 1777US7890102B2User plane location based service using message tunneling to support roamingTELECOMM·Filed 2008·Granted Feb 15, 2011·5 cites·10 claims
- 1876US8885796B2Extended efficient usage of emergency services keysGELDENBOTT GERHARD·Filed 2012·Granted Nov 11, 2014·3 cites·18 claims
- 1974US9131357B2Emergency 911 data messagingTELECOMM SYSTEMS INC·Filed 2014·Granted Sep 8, 2015·2 cites·25 claims
- 2073US9628521B2Hybrid locationZHU YINJUN·Filed 2015·Granted Apr 18, 2017·3 cites·20 claims
- 2172US9288615B2Location service requests throttlingTELECOMM SYSTEMS INC·Filed 2014·Granted Mar 15, 2016·2 cites·10 claims
- 2269US8626160B2User plane location based service using message tunneling to support roamingZHU YINJUN·Filed 2012·Granted Jan 7, 2014·1 cites·12 claims
- 2368US9572009B2Extended area event for network based proximity discoveryTELECOMM SYSTEMS INC·Filed 2016·Granted Feb 14, 2017·1 cites·20 claims
- 2468US9197992B2User plane location services over session initiation protocol (SIP)TELECOMM SYSTEMS INC·Filed 2015·Granted Nov 24, 2015·1 cites·8 claims
- 2568US9173059B2Mobile internet protocol (IP) locationTELECOMM SYSTEMS INC·Filed 2014·Granted Oct 27, 2015·1 cites·22 claims
- 2667US9130963B2Ancillary data support in session initiation protocol (SIP) messagingMARSHALL ROGER S·Filed 2011·Granted Sep 8, 2015·2 cites·18 claims
- 2766US2025119369A1Machine learning model for assessing network performanceT MOBILE USA INC·Filed 2024·Application pending·0 cites
- 2865US9538352B2Ancillary data support in session initiation protocol (SIP) messagingTELECOMM SYSTEMS INC·Filed 2015·Granted Jan 3, 2017·1 cites·19 claims
- 2964US8666397B2Area event handling when current network does not cover target areaZHU YINJUN·Filed 2011·Granted Mar 4, 2014·1 cites·10 claims
- 3062US12132627B1Machine learning model for assessing network performanceT MOBILE USA INC·Filed 2023·Granted Oct 29, 2024·0 cites·20 claims
- 3160US9088614B2User plane location services over session initiation protocol (SIP)TELECOMM SYSTEMS INC·Filed 2014·Granted Jul 21, 2015·0 cites·9 claims
- 3260US8965360B2User plane location based service using message tunneling to support roamingTELECOMM SYSTEMS INC·Filed 2013·Granted Feb 24, 2015·0 cites·18 claims
- 3358US9271138B2User plane location based service using message tunneling to support roamingTELECOMM SYSTEMS INC·Filed 2015·Granted Feb 23, 2016·0 cites·15 claims
- 3458US8798572B2Solutions for voice over internet protocol (VoIP) 911 location servicesZHU YINJUN·Filed 2013·Granted Aug 5, 2014·0 cites·29 claims
- 3556US9544429B2Solutions for voice over internet protocol (VoIP) 911 location servicesTELECOMM SYSTEMS INC·Filed 2015·Granted Jan 10, 2017·0 cites·19 claims
- 3656US9426618B2User plane location services over session initiation protocol (SIP)ZHU YINJUN·Filed 2015·Granted Aug 23, 2016·0 cites·20 claims
- 3756US2016135010A1User plane location based service using message tunneling to support roamingZHU YINJUN·Filed 2016·Application pending·0 cites
- 3855US8867485B2Multiple location retrieval function (LRF) network having location continuityZHU YINJUN·Filed 2009·Granted Oct 21, 2014·0 cites·9 claims
- 3955US2015011176A1Multiple Location Retrieval Function (LRF) Network Having Location ContinuityTELECOMM SYSTEMS INC·Filed 2014·Application pending·0 cites
- 4054US2016360357A1User plane location services over session initiation protocol (sip)TELECOMM SYSTEMS INC·Filed 2016·Application pending·0 cites
- 4154US2016255465A1Mobile Internet Protocol (IP) LocationTELECOMM SYSTEMS INC·Filed 2016·Application pending·0 cites
- 4253US9467826B2Emergency 911 data messagingTELECOMM SYSTEMS INC·Filed 2015·Granted Oct 11, 2016·0 cites·15 claims
- 4353US9344844B2Mobile internet protocol (IP) locationTELECOMM SYSTEMS INC·Filed 2015·Granted May 17, 2016·0 cites·21 claims
- 4452US2014135023A1Area Event Handling When Current Network Does Not Cover Target AreaTELECOMM SYSTEMS INC·Filed 2014·Application pending·0 cites
- 4551US2008126535A1User plane location services over session initiation protocol (SIP)ZHU YINJUN·Filed 2006·Application pending·0 cites
- 4650US2016165487A1Location service request throttlingZHU YINJUN·Filed 2016·Application pending·0 cites
- 4749US2007238455A1Mobile based area event handling when currently visited network doe not cover areaZHU YINJUN·Filed 2006·Application pending·0 cites
- 4848US2011064046A1User plane emergency location continuity for voice over internet protocol (VoIP)/IMS emergency servicesZHU YINJUN·Filed 2009·Application pending·0 cites
- 4947US11330103B1Call state notification for emergency call processingT MOBILE USA INC·Filed 2021·Granted May 10, 2022·0 cites·20 claims
- 5047US8532266B2Efficient usage of emergency services keysGELDENBOTT GERHARD·Filed 2007·Granted Sep 10, 2013·0 cites·8 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →