Inventor
ZHANG BAOQUAN
US44 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG BAOQUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SPRINT SPECTRUM LP
29 patentsUS6622016B1Sep 16, 2003
System for controlled provisioning of telecommunications services
SPRINT SPECTRUM LP426 citations99
US7869792B1Jan 11, 2011
Handset based dynamic parental controls
SPRINT SPECTRUM LP178 citations98
US7133513B1Nov 7, 2006
Method and system for transcribing voice content of an on-going teleconference into human-readable notation
SPRINT SPECTRUM LP96 citations98
US7058036B1Jun 6, 2006
Method and system for wireless instant messaging
SPRINT SPECTRUM LP640 citations98
US6970719B1Nov 29, 2005
Private wireless network integrated with public wireless network
SPRINT SPECTRUM LP227 citations98
US6741695B1May 25, 2004
Method and system for interfacing a legacy circuit-switched network with a packet-switched network
SPRINT SPECTRUM LP104 citations97
US7398087B1Jul 8, 2008
Private wireless network integrated with public wireless network
SPRINT SPECTRUM LP38 citations96
US6978132B1Dec 20, 2005
System for controlled provisioning of telecommunications services
SPRINT SPECTRUM LP49 citations96
US6816735B1Nov 9, 2004
Method and system for facilitating location-based services
SPRINT SPECTRUM LP75 citations95
US7995728B1Aug 9, 2011
Personal ringback tone content selection and activation
SPRINT SPECTRUM LP49 citations93
US7444139B1Oct 28, 2008
Method and system for use of intelligent network processing to prematurely wake up a terminating mobile station
SPRINT SPECTRUM LP30 citations92
US7437162B1Oct 14, 2008
Method and system for dynamically delivering a voice call as voice or data depending on data-mode of destination terminal
SPRINT SPECTRUM LP36 citations92
US7260386B1Aug 21, 2007
Method and system for changing a service account profile from a station operated under another service account
SPRINT SPECTRUM LP20 citations90
US7545762B1Jun 9, 2009
Method and system for network presence notification
SPRINT SPECTRUM LP49 citations89
US7995730B1Aug 9, 2011
Method and system for masquerading the identity of a communication device returning a missed call
SPRINT SPECTRUM LP10 citations84
US7636029B1Dec 22, 2009
Method and system of display validation through varying visual appearance
SPRINT SPECTRUM LP8 citations84
US7272220B1Sep 18, 2007
Method of locating an idle mobile telecommunication device
SPRINT SPECTRUM LP15 citations84
US7260403B1Aug 21, 2007
Method and system for dynamically routing voice calls to one of a plurality of associated subscriber terminals
SPRINT SPECTRUM LP16 citations84
US7142657B2Nov 28, 2006
Method and system for preventing call forward looping
SPRINT SPECTRUM LP18 citations84
US8027456B1Sep 27, 2011
Method and system for providing call tones service in a system with multiple media content providers
SPRINT SPECTRUM LP15 citations83
US7894834B1Feb 22, 2011
Method and system to facilitate multiple media content providers to inter-work with media serving system
SPRINT SPECTRUM LP9 citations83
US7197322B1Mar 27, 2007
Method and system for facilitating location-based services
SPRINT SPECTRUM LP15 citations81
US7174009B1Feb 6, 2007
Elimination of inoperable service node during call set up
SPRINT SPECTRUM LP19 citations81
US7982583B1Jul 19, 2011
Method and system of display validation through varying visual appearance
SPRINT SPECTRUM LP6 citations74
US8046470B2Oct 25, 2011
Method and system for incoming call notification
SPRINT SPECTRUM LP6 citations72
US8938057B1Jan 20, 2015
Dynamic registration for call-pickup group membership, and selective rerouting of calls
SPRINT SPECTRUM LP2 citations63
US7453894B1Nov 18, 2008
Method and system for modifying messages during transmission, based on message source and message destination profiles
SPRINT SPECTRUM LP5 citations57
US9319514B1Apr 19, 2016
Dynamic provisioning of a switch with custom ringback media
SPRINT SPECTRUM LP0 citations52
US7596219B1Sep 29, 2009
Method and system for preventing endless looping during telephone call set up
SPRINT SPECTRUM LP1 citations48
ZHANG BAOQUAN
9 patentsUS8638923B1Jan 28, 2014
Dynamic registration for call-pickup group membership, and selective rerouting of calls
ZHANG BAOQUAN9 citations84
US8865097B2Oct 21, 2014
Flur-gas purification and reclamation system and method thereof
ZHANG BAOQUAN4 citations83
US8529852B2Sep 10, 2013
Flue-gas purification and reclamation system and method thereof
ZHANG BAOQUAN7 citations83
US8168148B2May 1, 2012
Flue-gas purification and reclamation system and method thereof
ZHANG BAOQUAN7 citations83
US8110164B2Feb 7, 2012
Flue-Gas purification and reclamation system and method thereof
ZHANG BAOQUAN7 citations83
US8600012B1Dec 3, 2013
Methods and systems for providing pre-call-connection messaging services to calling parties
ZHANG BAOQUAN6 citations73
US9308494B2Apr 12, 2016
Flue-gas purification and reclamation system and method thereof
ZHANG BAOQUAN2 citations62
US9884290B2Feb 6, 2018
Flue-gas purification and reclamation system and method thereof
ZHANG BAOQUAN0 citations51
US8712026B1Apr 29, 2014
Method and system for distributing ringback files
ZHANG BAOQUAN0 citations44