Koan S. Chong

Person

East Brunswick, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and device for managing circuit switched data calls
- Patent number 9,973,545
- Issue date May 15, 2018
- AT&T Intellectual Property I, L.P.
- Vimal Patel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for processing multiple services per call
- Patent number 8,787,360
- Issue date Jul 22, 2014
- AT&T Intellectual Property II, L.P.
- John C. Brown
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for termination of session initiation protocol
- Patent number 8,700,786
- Issue date Apr 15, 2014
- AT&T Intellectual Property II, L.P.
- Koan S. Chong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for termination of session initiation protocol
- Patent number 8,239,554
- Issue date Aug 7, 2012
- AT&T Intellectual Property II, L.P.
- Koan S. Chong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for processing multiple services per call
- Patent number 8,121,274
- Issue date Feb 21, 2012
- AT&T Intellectual Property II, L.P.
- John C. Brown
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing secure voice/multimedia communic...
- Patent number 7,920,542
- Issue date Apr 5, 2011
- AT&T Intellectual Property II, L.P.
- Harbir S. Brar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for detecting subscriber service address change
- Patent number 7,804,822
- Issue date Sep 28, 2010
- AT&T Intellectual Property II, L.P.
- Koan Seng Chong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for processing multiple services per call
- Patent number 7,657,015
- Issue date Feb 2, 2010
- AT&T Corp.
- John C. Brown
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for termination of session initiation protocol
- Patent number 7,366,782
- Issue date Apr 29, 2008
- AT&T Corp.
- Koan S. Chong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for global title translation processing
- Patent number 6,377,674
- Issue date Apr 23, 2002
- AT&T Corp.
- Koan S. Chong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Redundant call processing
- Patent number 6,205,557
- Issue date Mar 20, 2001
- AT&T Corp.
- Koan S. Chong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR MANAGING CIRCUIT SWITCHED DATA CALLS
- Publication number 20160057174
- Publication date Feb 25, 2016
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Vimal Patel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR TERMINATION OF SESSION INITIATION PROTOCOL
- Publication number 20120297079
- Publication date Nov 22, 2012
- AT&T CORP.
- Koan S. Chong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR PROCESSING MULTIPLE SERVICES PER CALL
- Publication number 20120147756
- Publication date Jun 14, 2012
- John C. Brown
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR PROCESSING MULTIPLE SERVICES PER CALL
- Publication number 20100061277
- Publication date Mar 11, 2010
- JOHN C. BROWN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR TERMINATION OF SESSION INITIATION PROTOCOL
- Publication number 20080201483
- Publication date Aug 21, 2008
- Koan S. Chong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for detecting subscriber service address change
- Publication number 20070070990
- Publication date Mar 29, 2007
- Koan Seng Chong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and methods for termination of session initiation protocol
- Publication number 20040205190
- Publication date Oct 14, 2004
- AT&T CORP.
- Koan S. Chong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Koan S. Chong

Person

Patents Grantslast 30 patents

Method and device for managing circuit switched data calls

Method and apparatus for processing multiple services per call

Systems and methods for termination of session initiation protocol

Systems and methods for termination of session initiation protocol

Method and apparatus for processing multiple services per call

Method and apparatus for providing secure voice/multimedia communic...

Method and apparatus for detecting subscriber service address change

Method and apparatus for processing multiple services per call

Systems and methods for termination of session initiation protocol

Method for global title translation processing

Redundant call processing

Patents Applicationslast 30 patents

METHOD AND DEVICE FOR MANAGING CIRCUIT SWITCHED DATA CALLS

SYSTEMS AND METHODS FOR TERMINATION OF SESSION INITIATION PROTOCOL

METHOD AND APPARATUS FOR PROCESSING MULTIPLE SERVICES PER CALL

METHOD AND APPARATUS FOR PROCESSING MULTIPLE SERVICES PER CALL

SYSTEMS AND METHODS FOR TERMINATION OF SESSION INITIATION PROTOCOL

Method and apparatus for detecting subscriber service address change

Systems and methods for termination of session initiation protocol