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Kar W. Yung
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Torrance, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-platform wireless communication system for a variety of diffe...
Patent number
8,223,733
Issue date
Jul 17, 2012
The DIRECTV Group, Inc.
Kar W. Yung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Resource allocation method for multi-platform communication system
Patent number
7,215,954
Issue date
May 8, 2007
The DIRECTV Group, Inc.
Kar W. Yung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for maximizing satellite constellation coverage
Patent number
7,198,230
Issue date
Apr 3, 2007
The DIRECTV Group, Inc.
Kar W. Yung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-node wireless communication system with multiple transponding...
Patent number
7,089,000
Issue date
Aug 8, 2006
The DIRECTV Group, Inc.
Ming U. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sampling technique for digital beam former
Patent number
7,068,733
Issue date
Jun 27, 2006
The DIRECTV Group, Inc.
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coherent phase synchronous code division multiple access communicat...
Patent number
7,046,718
Issue date
May 16, 2006
The DIRECTV Group, Inc.
Kar Yung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-node point-to-point satellite communication system employing...
Patent number
6,990,314
Issue date
Jan 24, 2006
The DIRECTV Group, Inc.
Frank A. Hagen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coherent synchronization of code division multiple access signals
Patent number
6,963,548
Issue date
Nov 8, 2005
The DIRECTV Group, Inc.
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
User positioning technique for multi-platform communication system
Patent number
6,920,309
Issue date
Jul 19, 2005
The DIRECTV Group, Inc.
Kar Yung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Micro cell architecture for mobile user tracking communication system
Patent number
6,914,557
Issue date
Jul 5, 2005
The DIRECTV Group, Inc.
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-platform wireless communication system for a variety of diffe...
Patent number
6,909,875
Issue date
Jun 21, 2005
The DIRECTV Group, Inc.
Kar W. Yung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing circuit for communicating with a modular mobile t...
Patent number
6,888,499
Issue date
May 3, 2005
The DIRECTV Group, Inc.
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Integrating coverage areas of multiple transponder platforms
Patent number
6,868,269
Issue date
Mar 15, 2005
The DIRECTV Group, Inc.
Frank A. Hagen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for identifying growth limits of handheld services for mobil...
Patent number
6,807,397
Issue date
Oct 19, 2004
Hughes Electronics Corporation
Donald C. D. Chang
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Modular mobile terminal for satellite communication
Patent number
6,791,495
Issue date
Sep 14, 2004
The DirectTV Group, Inc.
Donald C. D. Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Position location of multiple transponding platforms and users usin...
Patent number
6,785,553
Issue date
Aug 31, 2004
The DIRECTV Group, Inc.
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Satellite system and method of deploying same
Patent number
6,766,987
Issue date
Jul 27, 2004
Hughes Electronics Corporation
Frank Taormina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavefront-projection beamformer
Patent number
6,762,718
Issue date
Jul 13, 2004
The DirectTV Group, Inc.
Donald C. D. Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Synchronization method and apparatus for multi-platform communicati...
Patent number
6,757,546
Issue date
Jun 29, 2004
The DIRECTV Group, Inc.
Frank A. Hagen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Stratospheric platforms based mobile communications architecture
Patent number
6,756,937
Issue date
Jun 29, 2004
The DIRECTV Group, Inc.
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing circuit for communicating with a modular mobile s...
Patent number
6,667,715
Issue date
Dec 23, 2003
Hughes Electronics Corporation
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for re-routing signals in a switch network
Patent number
6,643,268
Issue date
Nov 4, 2003
Hughes Electronics Corporation
Kar W. Yung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Techniques for utilization of bandwidth space assets
Patent number
6,606,307
Issue date
Aug 12, 2003
Hughes Electronics Corporation
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for determining a position of an object using two...
Patent number
6,563,457
Issue date
May 13, 2003
Hughes Electronics Corporation
Donald C. D. Chang
G01 - MEASURING TESTING
Information
Patent Grant
Ground-based, wavefront-projection beamformer for a stratospheric c...
Patent number
6,507,314
Issue date
Jan 14, 2003
Hughes Electronics Corporation
Donald C. D. Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Phase control network for active phased array antennas
Patent number
6,504,505
Issue date
Jan 7, 2003
Hughes Electronics Corporation
Kar W. Yung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for identifying growth limits of handheld services for mobil...
Patent number
6,501,941
Issue date
Dec 31, 2002
Hughes Electronics Corporation
Donald C. D. Chang
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Modular mobile terminal for satellite communication
Patent number
6,496,146
Issue date
Dec 17, 2002
Hughes Electronics Corporation
Donald C. D. Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Satellite system and method of deploying same
Patent number
6,460,808
Issue date
Oct 8, 2002
Hughes Electronics Corporation
Frank Taormina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Micro cell architecture for mobile user tracking communication system
Patent number
6,388,615
Issue date
May 14, 2002
Hughes Electronics Corporation
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Multi-platform wireless communication system for a variety of diffe...
Publication number
20050153655
Publication date
Jul 14, 2005
Hughes Electronics Corporation
Kar W. Yung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Signal processing circuit for communicating with a modular mobile t...
Publication number
20040087271
Publication date
May 6, 2004
Hughes Electronics Corporation
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Satellite system and method of deploying same
Publication number
20040056148
Publication date
Mar 25, 2004
Hughes Electronics Corporation
Frank Taormina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Position location of multiple transponding platforms and users usin...
Publication number
20030208317
Publication date
Nov 6, 2003
Hughes Electronics Corporation
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for identifying growth limits of handheld services for mobil...
Publication number
20030129942
Publication date
Jul 10, 2003
Hughes Electronics Corporation
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wavefront-projection beamformer
Publication number
20030076258
Publication date
Apr 24, 2003
Hughes Electronics Corporation
Donald C.D. Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Modular mobile terminal for satellite communication
Publication number
20030034921
Publication date
Feb 20, 2003
Hughes Electronics Corporation
Donald C.D. Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR IDENTIFYING GROWTH LIMITS OF HANDHELD SERVICES FOR MOBIL...
Publication number
20030022623
Publication date
Jan 30, 2003
DONALD C. D. CHANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Satellite system and method deploying same
Publication number
20030001048
Publication date
Jan 2, 2003
Hughes Electronics Corporation
Frank Taormina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Ground-based, wavefront-projection beamformer for a stratospheric c...
Publication number
20020140602
Publication date
Oct 3, 2002
Hughes Electronics Corporation
Donald C.D. Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Micro cell architecture for mobile user tracking communication system
Publication number
20020126042
Publication date
Sep 12, 2002
Hughes Electronics Corporation
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Sampling technique for digital beam former
Publication number
20020106041
Publication date
Aug 8, 2002
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Satellite system and method of deploying same
Publication number
20020053627
Publication date
May 9, 2002
Hughes Electronics Corporation
Frank Taormina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for determining a position of an object using two...
Publication number
20020053987
Publication date
May 9, 2002
Hughes Electronics Corporation
Donald C.D. Chang
G01 - MEASURING TESTING
Information
Patent Application
Satellite system and method of deploying same
Publication number
20020003192
Publication date
Jan 10, 2002
Hughes Electronics Corporation
Frank Taormina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for determining a position of a transceiver unit...
Publication number
20020003490
Publication date
Jan 10, 2002
Hughes Electronics Corporation
Donald C.D. Chang
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND SYSTEM FOR DETERMINING A POSITION OF A TRANSCEIVER UNIT...
Publication number
20010045903
Publication date
Nov 29, 2001
DONALD C. D. CHANG
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND SYSTEM FOR MAXIMIZING SATELLITE CONSTELLATION COVERAGE
Publication number
20010013566
Publication date
Aug 16, 2001
KAR W. YUNG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for determining a position of a transceiver in a...
Publication number
20010009405
Publication date
Jul 26, 2001
Hughes Electronics Corporation
Donald C.D. Chang
G01 - MEASURING TESTING
Information
Patent Application
Multiple satellite mobile communications method and apparatus for h...
Publication number
20010000167
Publication date
Apr 5, 2001
Hughes Electronics Corporation
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE