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Minh Duy Khuc
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Fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Intelligent and automatic calling process
Patent number
8,472,613
Issue date
Jun 25, 2013
Sprint Communications Company L.P.
James J. Pan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call processing system and service control point for handling calls...
Patent number
7,881,453
Issue date
Feb 1, 2011
Sprint Communications Company L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call center communications system for handling calls to a call center
Patent number
7,830,792
Issue date
Nov 9, 2010
Sprint Communications Company L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for providing pre-pay and post-pay communicati...
Patent number
7,415,266
Issue date
Aug 19, 2008
Sprint Communications Company L.P.
Zahid Abbasi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Internet routing system
Patent number
7,079,529
Issue date
Jul 18, 2006
Sprint Communications Company L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call processing system and service control point for handling calls...
Patent number
7,043,004
Issue date
May 9, 2006
Sprint Communications Company L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for validating pre-pay and post-pay communicat...
Patent number
6,847,708
Issue date
Jan 25, 2005
Sprint Communications Company L.P.
Zahid Abbasi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for providing personalized and customized service...
Patent number
6,819,759
Issue date
Nov 16, 2004
Sprint Communications Company, L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for providing pre-pay and post-pay communicati...
Patent number
6,760,418
Issue date
Jul 6, 2004
Sprint Communications Company L.P.
Zahid Abbasi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call processing system and service control point for handling calls...
Patent number
6,731,744
Issue date
May 4, 2004
Sprint Communications Company, L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call center communications system for handling calls to a call center
Patent number
6,690,664
Issue date
Feb 10, 2004
Sprint Communications Company, L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for providing pre-pay and post-pay communicati...
Patent number
6,535,727
Issue date
Mar 18, 2003
Sprint Communications Company, L.P.
Zahid Abbasi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for providing service assurance for prepaid telec...
Patent number
6,483,909
Issue date
Nov 19, 2002
Sprint Communications Company L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call processing system for handling calls to a call center
Patent number
6,473,505
Issue date
Oct 29, 2002
Sprint Communications Company L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Internet routing system
Patent number
6,470,008
Issue date
Oct 22, 2002
Sprint Communications Company L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call center resource processor
Patent number
6,459,788
Issue date
Oct 1, 2002
Sprint Communications Company L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for providing service assurance for prepaid telec...
Patent number
6,366,645
Issue date
Apr 2, 2002
Sprint Communications Company L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Prepaid calling card external/adjunct database processor
Patent number
5,828,740
Issue date
Oct 27, 1998
Sprint Communications Co., L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for conducting poll at a processor associated wit...
Patent number
5,675,635
Issue date
Oct 7, 1997
Sprint Communications Company L.P.
Benjamin Mark Vos
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Internet routing system
Publication number
20060203809
Publication date
Sep 14, 2006
Sprint Communications Company L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Call processing system and service control point for handling calls...
Publication number
20060146806
Publication date
Jul 6, 2006
Sprint Communications Company L.P.
Minh Duy Khuc
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for validating pre-pay and post-pay communicat...
Publication number
20050100149
Publication date
May 12, 2005
Sprint Communications Company, L.P.
Zahid Abbasi
H04 - ELECTRIC COMMUNICATION TECHNIQUE