Inventor · disambiguated record
Keith A. Lantz
Also filed as: LANTZ KEITH A
39 granted patents·1 pending application·8,717 citations·filing 1993–2007
99Inventor score
Top patents by PatentIndex Score
40 records- 0199US7433921B2System for real-time communication between plural usersAVISTAR COMM CORP·Filed 2003·Granted Oct 7, 2008·383 cites·34 claims
- 0299US7206809B2Method for real-time communication between plural usersCOLLABORATION PROPERTIES INC·Filed 2003·Granted Apr 17, 2007·328 cites·42 claims
- 0399US7152093B2System for real-time communication between plural usersCOLLABORATION PROPERTIES INC·Filed 2003·Granted Dec 19, 2006·260 cites·49 claims
- 0499US6594688B2Dedicated echo canceler for a workstationCOLLABORATION PROPERTIES INC·Filed 2001·Granted Jul 15, 2003·377 cites·57 claims
- 0599US6583806B2Videoconferencing hardwareCOLLABORATION PROPERTIES INC·Filed 1997·Granted Jun 24, 2003·549 cites·21 claims
- 0699US5915091ASynchronization in video conferencingCOLLABORATION PROPERTIES INC·Filed 1996·Granted Jun 22, 1999·295 cites·35 claims
- 0799US5854893ASystem for teleconferencing in which collaboration types and participants by names or icons are selected by a participant of the teleconferenceCOLLABORATION PROPERTIES INC·Filed 1996·Granted Dec 29, 1998·453 cites·24 claims
- 0899US5758079ACall control in video conferencing allowing acceptance and identification of participants in a new incoming call during an active teleconferenceVICOR INC·Filed 1996·Granted May 26, 1998·724 cites·37 claims
- 0999US5689641AMultimedia collaboration system arrangement for routing compressed AV signal through a participant site without decompressing the AV signalVICOR INC·Filed 1993·Granted Nov 18, 1997·772 cites·43 claims
- 1099US5617539AMultimedia collaboration system with separate data network and A/V network controlled by information transmitting on the data networkVICOR INC·Filed 1996·Granted Apr 1, 1997·983 cites·17 claims
- 1198US7477282B2System and method for performing distributed video conferencingCISCO TECH INC·Filed 2005·Granted Jan 13, 2009·164 cites·39 claims
- 1298US7421470B2Method for real-time communication between plural usersAVISTAR COMM CORP·Filed 2003·Granted Sep 2, 2008·146 cites·52 claims
- 1398US7185054B1Participant display and selection in video conference callsCOLLABORATION PROPERTIES INC·Filed 2000·Granted Feb 27, 2007·292 cites·22 claims
- 1498US6989856B2System and method for performing distributed video conferencingCISCO TECH IND·Filed 2003·Granted Jan 24, 2006·281 cites·26 claims
- 1598US6351762B1Method and system for log-in-based video and multimedia callsCOLLABORATION PROPERTIES INC·Filed 1996·Granted Feb 26, 2002·326 cites·74 claims
- 1698US5978835AMultimedia mail, conference recording and documents in video conferencingCOLLABORATION PROPERTIES INC·Filed 1996·Granted Nov 2, 1999·260 cites·23 claims
- 1798US5896500ASystem for call request which results in first and second call handle defining call state consisting of active or hold for its respective AV deviceCOLLABORATION PROPERTIES INC·Filed 1996·Granted Apr 20, 1999·246 cites·20 claims
- 1898US5884039ASystem for providing a directory of AV devices and capabilities and call processing such that each participant participates to the extent of capabilities availableCOLLABORATION PROPERTIES INC·Filed 1996·Granted Mar 16, 1999·341 cites·36 claims
- 1997US7412482B2System for managing real-time communicationsAVISTAR COMM CORP·Filed 2007·Granted Aug 12, 2008·42 cites·20 claims
- 2097US7084898B1System and method for providing video conferencing synchronizationCISCO TECH INC·Filed 2003·Granted Aug 1, 2006·173 cites·20 claims
- 2197US6237025B1Multimedia collaboration systemCOLLABORATION PROPERTIES INC·Filed 1997·Granted May 22, 2001·712 cites·44 claims
- 2296US7730132B2Storing and accessing media filesLUDWIG LESTER F·Filed 2007·Granted Jun 1, 2010·27 cites·17 claims
- 2396US7487210B2Method for managing real-time communicationsAVISTAR COMM CORP·Filed 2007·Granted Feb 3, 2009·41 cites·20 claims
- 2496US7444373B2Wireless real-time communicationAVISTAR COMM CORP·Filed 2007·Granted Oct 28, 2008·23 cites·20 claims
- 2595US7908320B2Tracking user locations over multiple networks to enable real time communicationsPRAGMATUS AV LLC·Filed 2005·Granted Mar 15, 2011·36 cites·36 claims
- 2693US6343314B1Remote participant hold and disconnect during videoconferencingCOLLABORATION PROPERTIES INC·Filed 1997·Granted Jan 29, 2002·104 cites·16 claims
- 2793US5867654ATwo monitor videoconferencing hardwareCOLLABORATION PROPERTIES INC·Filed 1996·Granted Feb 2, 1999·113 cites·22 claims
- 2893US5802294ATeleconferencing system in which location video mosaic generator sends combined local participants images to second location video mosaic generator for displaying combined imagesVICOR INC·Filed 1996·Granted Sep 1, 1998·159 cites·22 claims
- 2992US7437412B2Real-time communication of a selected typeAVISTAR COMM CORP·Filed 2007·Granted Oct 14, 2008·14 cites·20 claims
- 3090US7831663B2Storage and playback of media filesPRAGMATUS AV LLC·Filed 2007·Granted Nov 9, 2010·12 cites·20 claims
- 3190US7054904B2Marking and searching capabilities in multimedia documents within multimedia collaboration networksCOLLABORATION PROPERTIES INC·Filed 2002·Granted May 30, 2006·24 cites·32 claims
- 3288US7441001B2Real-time wide-area communications between portsAVISTAR COMM CORP·Filed 2007·Granted Oct 21, 2008·9 cites·20 claims
- 3386US7437411B2Communication of a selected type over a wide area networkAVISTAR COMM CORP·Filed 2007·Granted Oct 14, 2008·12 cites·20 claims
- 3486US7398296B2Networked audio communication over two networksAVISTAR COMM CORP·Filed 2007·Granted Jul 8, 2008·12 cites·20 claims
- 3575US7822813B2Storing and accessing media filesLUDWIG LESTER F·Filed 2007·Granted Oct 26, 2010·2 cites·20 claims
- 3675US7499415B2System and method for preserving bandwidth in a RSVP environmentCISCO TECH INC·Filed 2005·Granted Mar 3, 2009·5 cites·28 claims
- 3768US8659636B2System and method for performing distributed video conferencingFIRESTONE SCOTT S·Filed 2003·Granted Feb 25, 2014·12 cites·34 claims
- 3867US7756138B2System and method for implementing RSVP in a communication environmentCISCO TECH INC·Filed 2005·Granted Jul 13, 2010·3 cites·28 claims
- 3963US7889636B2System and method for implementing a mid-call policy in a RSVP environmentCISCO TECH INC·Filed 2005·Granted Feb 15, 2011·2 cites·24 claims
- 4042US2007083596A1Storing and Accessing Media FilesCOLLABORATION PROPERTIES INC·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →