Inventor
LANTZ KEITH A
US39 patents
⚠️ This page may combine multiple inventors who share the name “LANTZ KEITH A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COLLABORATION PROPERTIES INC
15 patentsUS7206809B2Apr 17, 2007
Method for real-time communication between plural users
COLLABORATION PROPERTIES INC328 citations99
US7185054B1Feb 27, 2007
Participant display and selection in video conference calls
COLLABORATION PROPERTIES INC292 citations99
US7152093B2Dec 19, 2006
System for real-time communication between plural users
COLLABORATION PROPERTIES INC260 citations99
US6594688B2Jul 15, 2003
Dedicated echo canceler for a workstation
COLLABORATION PROPERTIES INC377 citations99
US6583806B2Jun 24, 2003
Videoconferencing hardware
COLLABORATION PROPERTIES INC549 citations99
US6351762B1Feb 26, 2002
Method and system for log-in-based video and multimedia calls
COLLABORATION PROPERTIES INC326 citations99
US6343314B1Jan 29, 2002
Remote participant hold and disconnect during videoconferencing
COLLABORATION PROPERTIES INC104 citations99
US6237025B1May 22, 2001
Multimedia collaboration system
COLLABORATION PROPERTIES INC712 citations99
US5978835ANov 2, 1999
Multimedia mail, conference recording and documents in video conferencing
COLLABORATION PROPERTIES INC260 citations99
US5915091AJun 22, 1999
Synchronization in video conferencing
COLLABORATION PROPERTIES INC295 citations99
US5896500AApr 20, 1999
System for call request which results in first and second call handle defining call state consisting of active or hold for its respective AV device
COLLABORATION PROPERTIES INC246 citations99
US5884039AMar 16, 1999
System for providing a directory of AV devices and capabilities and call processing such that each participant participates to the extent of capabilities available
COLLABORATION PROPERTIES INC341 citations99
US5867654AFeb 2, 1999
Two monitor videoconferencing hardware
COLLABORATION PROPERTIES INC113 citations99
US5854893ADec 29, 1998
System for teleconferencing in which collaboration types and participants by names or icons are selected by a participant of the teleconference
COLLABORATION PROPERTIES INC453 citations99
US7054904B2May 30, 2006
Marking and searching capabilities in multimedia documents within multimedia collaboration networks
COLLABORATION PROPERTIES INC24 citations96
AVISTAR COMM CORP
9 patentsUS7433921B2Oct 7, 2008
System for real-time communication between plural users
AVISTAR COMM CORP383 citations99
US7421470B2Sep 2, 2008
Method for real-time communication between plural users
AVISTAR COMM CORP146 citations99
US7487210B2Feb 3, 2009
Method for managing real-time communications
AVISTAR COMM CORP41 citations96
US7444373B2Oct 28, 2008
Wireless real-time communication
AVISTAR COMM CORP23 citations96
US7412482B2Aug 12, 2008
System for managing real-time communications
AVISTAR COMM CORP42 citations96
US7441001B2Oct 21, 2008
Real-time wide-area communications between ports
AVISTAR COMM CORP9 citations92
US7437411B2Oct 14, 2008
Communication of a selected type over a wide area network
AVISTAR COMM CORP12 citations92
US7437412B2Oct 14, 2008
Real-time communication of a selected type
AVISTAR COMM CORP14 citations92
US7398296B2Jul 8, 2008
Networked audio communication over two networks
AVISTAR COMM CORP12 citations92
CISCO TECH INC
5 patentsUS7477282B2Jan 13, 2009
System and method for performing distributed video conferencing
CISCO TECH INC164 citations98
US7084898B1Aug 1, 2006
System and method for providing video conferencing synchronization
CISCO TECH INC173 citations98
US7499415B2Mar 3, 2009
System and method for preserving bandwidth in a RSVP environment
CISCO TECH INC5 citations70
US7889636B2Feb 15, 2011
System and method for implementing a mid-call policy in a RSVP environment
CISCO TECH INC2 citations58
US7756138B2Jul 13, 2010
System and method for implementing RSVP in a communication environment
CISCO TECH INC3 citations58
VICOR INC
4 patentsUS5802294ASep 1, 1998
Teleconferencing system in which location video mosaic generator sends combined local participants images to second location video mosaic generator for displaying combined images
VICOR INC159 citations99
US5758079AMay 26, 1998
Call control in video conferencing allowing acceptance and identification of participants in a new incoming call during an active teleconference
VICOR INC724 citations99
US5689641ANov 18, 1997
Multimedia collaboration system arrangement for routing compressed AV signal through a participant site without decompressing the AV signal
VICOR INC772 citations99
US5617539AApr 1, 1997
Multimedia collaboration system with separate data network and A/V network controlled by information transmitting on the data network
VICOR INC983 citations99