J. Chris Lauwers

Person

Menlo Park, CA, US

People

Patents Grantslast 30 patents

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
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
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
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
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
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
UTP based video conferencing
- Patent number 6,959,322
- Issue date Oct 25, 2005
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multiplexing video and control signals onto UTP
- Patent number 6,898,620
- Issue date May 24, 2005
- Collaboration Properties, Inc.
- Lester F. Ludwig
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple-editor authoring of multimedia documents including real-ti...
- Patent number 6,789,105
- Issue date Sep 7, 2004
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
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
Video conferencing on existing UTP infrastructure
- Patent number 6,437,818
- Issue date Aug 20, 2002
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High-quality switched analog video communications over unshielded t...
- Patent number 6,426,769
- Issue date Jul 30, 2002
- 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
UTP based video and data conferencing
- Patent number 6,212,547
- Issue date Apr 3, 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
Information Patent Grant
Synchronization in video conferencing
- Patent number 5,915,091
- Issue date Jun 22, 1999
- Collaboration Properties, Inc.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Multiple-Channel Codec and Transcoder Environment for Gateway, Mcu,...
- Publication number 20080117965
- Publication date May 22, 2008
- COLLABORATION PROPERTIES, INC.
- Vladimir Vysotsky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Multiple-channel codec and transcoder environment for gateway, MCU,...
- Publication number 20060168637
- Publication date Jul 27, 2006
- COLLABORATION PROPERTIES, INC.
- Vladimir Vysotsky
- 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 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
Teleconferencing employing multiplexing of video and data conferenc...
- Publication number 20030187940
- Publication date Oct 2, 2003
- COLLABORATION PROPERTIES, INC.
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
UTP based video conferencing
- Publication number 20030158901
- Publication date Aug 21, 2003
- 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
Information Patent Application
Dedicated echo canceler for a workstation
- Publication number 20010044826
- Publication date Nov 22, 2001
- Lester F. Ludwig
- G06 - COMPUTING CALCULATING COUNTING

J. Chris Lauwers

Person

Patents Grantslast 30 patents

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

Storage and playback of media files

Storing and accessing media files

Storing and accessing media files

Method for managing real-time communications

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

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

UTP based video conferencing

Multiplexing video and control signals onto UTP

Multiple-editor authoring of multimedia documents including real-ti...

Dedicated echo canceler for a workstation

Videoconferencing hardware

Video conferencing on existing UTP infrastructure

High-quality switched analog video communications over unshielded t...

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

Remote participant hold and disconnect during videoconferencing

Multimedia collaboration system

UTP based video and data conferencing

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

Synchronization in video conferencing

Patents Applicationslast 30 patents

Multiple-Channel Codec and Transcoder Environment for Gateway, Mcu,...

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

Multiple-channel codec and transcoder environment for gateway, MCU,...

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 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

Teleconferencing employing multiplexing of video and data conferenc...

UTP based video conferencing

VIDEOCONFERENCING HARDWARE

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

Dedicated echo canceler for a workstation