Keith A. Lantz

Person

Los Altos, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for performing distributed video conferencing
- Patent number 8,659,636
- Issue date Feb 25, 2014
- Cisco Technology, Inc.
- Scott S. Firestone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tracking user locations over multiple networks to enable real time...
- Patent number 7,908,320
- Issue date Mar 15, 2011
- Pragmatus AV LLC
- Lester F. Ludwig
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for implementing a mid-call policy in a RSVP envi...
- Patent number 7,889,636
- Issue date Feb 15, 2011
- Cisco Technology, Inc.
- Subhasri Dhesikan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Storage and playback of media files
- Patent number 7,831,663
- Issue date Nov 9, 2010
- Pragmatus AV LLC
- Lester F. Ludwig
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Storing and accessing media files
- Patent number 7,822,813
- Issue date Oct 26, 2010
- Lester F. Ludwig
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for implementing RSVP in a communication environment
- Patent number 7,756,138
- Issue date Jul 13, 2010
- Cisco Technology, Inc.
- Subhasri Dhesikan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Storing and accessing media files
- Patent number 7,730,132
- Issue date Jun 1, 2010
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for preserving bandwidth in a RSVP environment
- Patent number 7,499,415
- Issue date Mar 3, 2009
- Cisco Technology, Inc.
- Subhasri Dhesikan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for managing real-time communications
- Patent number 7,487,210
- Issue date Feb 3, 2009
- Avistar Communications Corporation
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for performing distributed video conferencing
- Patent number 7,477,282
- Issue date Jan 13, 2009
- Cisco Technology, Inc.
- Scott S. Firestone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless real-time communication
- Patent number 7,444,373
- Issue date Oct 28, 2008
- Avistar Communications Corporation
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Real-time wide-area communications between ports
- Patent number 7,441,001
- Issue date Oct 21, 2008
- Avistar Communications Corporation
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communication of a selected type over a wide area network
- Patent number 7,437,411
- Issue date Oct 14, 2008
- Avistar Communications Corporation
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Real-time communication of a selected type
- Patent number 7,437,412
- Issue date Oct 14, 2008
- Avistar Communications Corporation
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for real-time communication between plural users
- Patent number 7,433,921
- Issue date Oct 7, 2008
- Avistar Communications Corporation
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for real-time communication between plural users
- Patent number 7,421,470
- Issue date Sep 2, 2008
- Avistar Communications Corporation
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for managing real-time communications
- Patent number 7,412,482
- Issue date Aug 12, 2008
- Avistar Communications Corporation
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Networked audio communication over two networks
- Patent number 7,398,296
- Issue date Jul 8, 2008
- Avistar Communications Corporation
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for real-time communication between plural users
- Patent number 7,206,809
- Issue date Apr 17, 2007
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Participant display and selection in video conference calls
- Patent number 7,185,054
- Issue date Feb 27, 2007
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for real-time communication between plural users
- Patent number 7,152,093
- Issue date Dec 19, 2006
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for providing video conferencing synchronization
- Patent number 7,084,898
- Issue date Aug 1, 2006
- Cisco Technology, Inc.
- Scott S. Firestone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Marking and searching capabilities in multimedia documents within m...
- Patent number 7,054,904
- Issue date May 30, 2006
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for performing distributed video conferencing
- Patent number 6,989,856
- Issue date Jan 24, 2006
- Cisco Technology, Inc.
- Scott S. Firestone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dedicated echo canceler for a workstation
- Patent number 6,594,688
- Issue date Jul 15, 2003
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Videoconferencing hardware
- Patent number 6,583,806
- Issue date Jun 24, 2003
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for log-in-based video and multimedia calls
- Patent number 6,351,762
- Issue date Feb 26, 2002
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Remote participant hold and disconnect during videoconferencing
- Patent number 6,343,314
- Issue date Jan 29, 2002
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multimedia collaboration system
- Patent number 6,237,025
- Issue date May 22, 2001
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multimedia mail, conference recording and documents in video confer...
- Patent number 5,978,835
- Issue date Nov 2, 1999
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Storing and Accessing Media Files
- Publication number 20070168426
- Publication date Jul 19, 2007
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Storage and Playback of Media Files
- Publication number 20070088782
- Publication date Apr 19, 2007
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Storing and Accessing Media Files
- Publication number 20070088781
- Publication date Apr 19, 2007
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Wireless Networked Audio Communication
- Publication number 20070083593
- Publication date Apr 12, 2007
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Device for Wireless Networked Communications
- Publication number 20070083594
- Publication date Apr 12, 2007
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Storing and Accessing Media Files
- Publication number 20070083596
- Publication date Apr 12, 2007
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Networked Audio Communication with Login Location Information
- Publication number 20070083595
- Publication date Apr 12, 2007
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Networked Audio Communication Over Two Networks
- Publication number 20070078933
- Publication date Apr 5, 2007
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for Managing Real-Time Communications
- Publication number 20070078930
- Publication date Apr 5, 2007
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System for Managing Real-Time Communications
- Publication number 20070078931
- Publication date Apr 5, 2007
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Audio Communication with Login Location Addressing
- Publication number 20070078932
- Publication date Apr 5, 2007
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and method for implementing RSVP in a communication environment
- Publication number 20060268694
- Publication date Nov 30, 2006
- Cisco Technology, Inc.
- Subhasri Dhesikan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for preserving bandwidth in a RSVP environment
- Publication number 20060268824
- Publication date Nov 30, 2006
- Cisco Technology, Inc.
- Subhasri Dhesikan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for reallocating bandwidth in a RSVP environment
- Publication number 20060268683
- Publication date Nov 30, 2006
- Cisco Technology, Inc.
- Subhasri Dhesikan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for implementing a mid-call policy in a RSVP envi...
- Publication number 20060268678
- Publication date Nov 30, 2006
- Subhasri Dhesikan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for retrying reservations in a RSVP environment
- Publication number 20060268693
- Publication date Nov 30, 2006
- Cisco Technology, Inc.
- Subhasri Dhesikan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Registration based addressing and call handles to establish communi...
- Publication number 20060075121
- Publication date Apr 6, 2006
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Using login-based addressing to communicate with listed users
- Publication number 20060064461
- Publication date Mar 23, 2006
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Registration based addressing over multiple networks with digital a...
- Publication number 20060059266
- Publication date Mar 16, 2006
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Log-in based communications plus two data types
- Publication number 20060041617
- Publication date Feb 23, 2006
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Audio communications using devices with different capabilities
- Publication number 20060041616
- Publication date Feb 23, 2006
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and method for performing distributed video conferencing
- Publication number 20050248652
- Publication date Nov 10, 2005
- Cisco Technology, Inc., a California Corporation
- Scott E. Firestone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for performing distributed video conferencing
- Publication number 20050078171
- Publication date Apr 14, 2005
- Cisco Technology, Inc. a California Corporation
- Scott S. Firestone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for performing distributed video conferencing
- Publication number 20050078170
- Publication date Apr 14, 2005
- Cisco Technology, Inc.
- Scott S. Firestone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System for real-time communication between plural users
- Publication number 20040107253
- Publication date Jun 3, 2004
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for real-time communication between plural users
- Publication number 20040107254
- Publication date Jun 3, 2004
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System for real-time communication between plural users
- Publication number 20040107255
- Publication date Jun 3, 2004
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for real-time communication between plural users
- Publication number 20040103152
- Publication date May 27, 2004
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VIDEOCONFERENCING HARDWARE
- Publication number 20020154210
- Publication date Oct 24, 2002
- LESTER F. LUDWIG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Marking and searching capabilities in multimedia documents within m...
- Publication number 20020124051
- Publication date Sep 5, 2002
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING

Keith A. Lantz

Person

Patents Grantslast 30 patents

System and method for performing distributed video conferencing

Tracking user locations over multiple networks to enable real time...

System and method for implementing a mid-call policy in a RSVP envi...

Storage and playback of media files

Storing and accessing media files

System and method for implementing RSVP in a communication environment

Storing and accessing media files

System and method for preserving bandwidth in a RSVP environment

Method for managing real-time communications

System and method for performing distributed video conferencing

Wireless real-time communication

Real-time wide-area communications between ports

Communication of a selected type over a wide area network

Real-time communication of a selected type

System for real-time communication between plural users

Method for real-time communication between plural users

System for managing real-time communications

Networked audio communication over two networks

Method for real-time communication between plural users

Participant display and selection in video conference calls

System for real-time communication between plural users

System and method for providing video conferencing synchronization

Marking and searching capabilities in multimedia documents within m...

System and method for performing distributed video conferencing

Dedicated echo canceler for a workstation

Videoconferencing hardware

Method and system for log-in-based video and multimedia calls

Remote participant hold and disconnect during videoconferencing

Multimedia collaboration system

Multimedia mail, conference recording and documents in video confer...

Patents Applicationslast 30 patents

Storing and Accessing Media Files

Storage and Playback of Media Files

Storing and Accessing Media Files

Wireless Networked Audio Communication

Device for Wireless Networked Communications

Storing and Accessing Media Files

Networked Audio Communication with Login Location Information

Networked Audio Communication Over Two Networks

Method for Managing Real-Time Communications

System for Managing Real-Time Communications

Audio Communication with Login Location Addressing

System and method for implementing RSVP in a communication environment

System and method for preserving bandwidth in a RSVP environment

System and method for reallocating bandwidth in a RSVP environment

System and method for implementing a mid-call policy in a RSVP envi...

System and method for retrying reservations in a RSVP environment

Registration based addressing and call handles to establish communi...

Using login-based addressing to communicate with listed users

Registration based addressing over multiple networks with digital a...

Log-in based communications plus two data types

Audio communications using devices with different capabilities

System and method for performing distributed video conferencing

System and method for performing distributed video conferencing

System and method for performing distributed video conferencing

System for real-time communication between plural users

Method for real-time communication between plural users

System for real-time communication between plural users

Method for real-time communication between plural users

VIDEOCONFERENCING HARDWARE

Marking and searching capabilities in multimedia documents within m...