CL

Chung-Zin Liu

AT AT&T: 15 patents #1,136 of 18,772Top 7%
Alcatel Lucent: 9 patents #564 of 4,169Top 15%
Overall (All Time): #174,585 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9130965 Method of call conferencing to support session continuity for multi-mode clients Edward Grinshpun, Simon S. Ou, Lily Zhu 2015-09-08
8792823 Approach for quality of service control on un-wanted services (e.g. voice over internet protocol or multimedia) over wireline and wireless IP network Thomas Trayer Towle 2014-07-29
8204022 Method of providing transcoding during voice-over-internet protocol handoff Harold Aaron Lassers 2012-06-19
8175575 Online charging for roaming users in a proxy online charging system of a visited network Yigang Cai 2012-05-08
8116728 Charging in LTE/EPC communication networks Yigang Cai 2012-02-14
7978683 Method of transferring call transition messages between network controllers of different radio technologies Dan Anthony Balogh, Michael F. Dolan, Richard P. Ejzak, Douglas Knisely, Subhasis Laha 2011-07-12
7920523 Method of supporting quality-of-service application session continuity during inter-technology handover using a common packet data function Edward Grinshpun, E-Ling Lou, Harinath Rachapalli, Lily Zhu 2011-04-05
7844728 Packet filtering/classification and/or policy control support from both visited and home networks Thomas W. Anderson, Harold Aaron Lassers, Stinson Mathai 2010-11-30
7586857 Fast network SIP/SDP procedures for conference operations upon request from end user with optimization of network resources Richard P. Ejzak, Eric Harold Henrikson, Hong Xie 2009-09-08
7062265 Architecture to support service features for wireless calls in a wireless telecommunication system Young-fu Chang, Michael F. Dolan, John P. Menard, Milo Orsic, Jin Young Yang 2006-06-13
7013129 Queuing for radio channel availability Stephen Goss, Jeffrey Ross Light, Omar Salvador, Gitesh Shah, Mark Stockert +3 more 2006-03-14
6658255 Enhanced wireless radio channel utilization Stephen Goss, Jeffrey Ross Light, Omar Salvador, Gitesh Shah, Mark Stockert +3 more 2003-12-02
6625153 Distributed cellular communication system architecture for the co-existence of multiple technologies 2003-09-23
6434139 Method for optimizing mobile wireless communications routed across plural interconnected networks Kenneth Wayne Strom 2002-08-13
6434382 Cellular call processor having concurrent instances of call models to support mixed media communication connections Jin Wang 2002-08-13
6405040 Implementing and selecting between virtual private wireless telecommunications networks Robert Shaw Sellinger 2002-06-11
6392999 Conferencing and announcement generation for wireless VoIP and VoATM calls Kenneth Wayne Strom 2002-05-21
6377572 Virtual resource allocation method and apparatus for wireless data communication systems Michael F. Dolan, Harvey Rubin, Kenneth Wayne Strom 2002-04-23
6285877 Cellular call processor having concurrent instances of call models to support mixed media communication connections Jin Wang 2001-09-04
6061337 System and method for CDMA handoff using telemetry to determine the need for handoff and to select the destination cell site Jeffrey Ross Light, Charles Varvaro 2000-05-09
6002679 Method for assigning feature sets on virtual private telecommunications networks Kenneth Wayne Strom 1999-12-14
5949770 Method for assigning feature sets on virtual private telecommunications networks Kenneth Wayne Strom 1999-09-07
5943332 Method for implementing virtual private wireless telecommunications networks Kenneth Wayne Strom 1999-08-24
5905953 Method for implementing private wireless telecommunications networks Kenneth Wayne Strom 1999-05-18