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US9 patents
Top patents by PatentIndex Score
US8761721B2Jun 24, 2014
Integrated emergency call support for mobile and nomadic devices
LI MINGXING51 citations97
US8724588B2May 13, 2014
Mobility management entity (MME) selection within a border region
LI MINGXING16 citations83
US8260258B1Sep 4, 2012
Method of target provisioning for lawful intercept in IP multi-media service networks
LI MINGXING13 citations82
US8467795B2Jun 18, 2013
Location-based routing of IMS calls through femtocells
LI MINGXING6 citations73
US8965325B2Feb 24, 2015
Enabling emergency call back to a user device
LI MINGXING5 citations72
USD1108404SJan 6, 2026
Wireless lavalier microphone receiver
LI MINGXING0 citations62
US8270574B2Sep 18, 2012
Emergency calls in internet protocol multimedia subsystem (IMS) over evolved packet core (EPC) networks
LI MINGXING3 citations62
US8588109B2Nov 19, 2013
Integrated lawful intercept for internet protocol multimedia subsystem (IMS) over evolved packet core (EPC)
LI MINGXING3 citations61
US8451779B2May 28, 2013
Emergency support for voice over internet protocol (VoIP) over mixed macro and femto networks
LI MINGXING0 citations51