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Chih-Chien Hsu
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Torrance, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Cavity backed aperture coupled dielectrically loaded waveguide radi...
Patent number
9,225,070
Issue date
Dec 29, 2015
Lockheed Martin Corporation
Mirwais Zeweri
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dual-band feed horn with common beam widths
Patent number
8,957,821
Issue date
Feb 17, 2015
Lockheed Martin Corporation
Sudhakar K. Rao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dual-band antenna using high/low efficiency feed horn for optimal r...
Patent number
8,514,140
Issue date
Aug 20, 2013
Lockheed Martin Corporation
Sudhakar K. Rao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Common aperture antenna for multiple contoured beams and multiple s...
Patent number
8,315,557
Issue date
Nov 20, 2012
Lockheed Martin Corporation
Sudhakar Rao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Horn antenna and system for transmitting and/or receiving radio fre...
Patent number
8,164,533
Issue date
Apr 24, 2012
Lockhead Martin Corporation
Chih-Chien Hsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Antenna systems for multiple frequency bands
Patent number
7,737,904
Issue date
Jun 15, 2010
Lockheed Martin Corporation
Sudhakar K. Rao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Digital beacon asymmetry and quantization compensation
Patent number
7,447,170
Issue date
Nov 4, 2008
The Boeing Company
Hanching G. Wang
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Wideband antenna element and array thereof
Patent number
6,967,624
Issue date
Nov 22, 2005
Lockheed Martin Corporation
Chih-Chien Hsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Digital beacon asymmetry and quantization compensation
Patent number
6,762,716
Issue date
Jul 13, 2004
The Boeing Company
Hanching G. Wang
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Method and apparatus for zooming and reconfiguring circular beams f...
Patent number
6,577,282
Issue date
Jun 10, 2003
Hughes Electronics Corporation
Sudhakar K. Rao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Antenna system for multiple orbits and multiple areas
Patent number
6,570,528
Issue date
May 27, 2003
The Boeing Company
Sudhakar Rao
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
HORN ANTENNA AND SYSTEM FOR TRANSMITTING AND/OR RECEIVING RADIO FRE...
Publication number
20120105293
Publication date
May 3, 2012
Lockheed Martin Corporation, a Maryland corporation
Chih-Chien Hsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ANTENNA SYSTEMS FOR MULTIPLE FREQUENCY BANDS
Publication number
20090309801
Publication date
Dec 17, 2009
Lockheed Martin Corporation
Sudhakar K. RAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Digital beacon asymmetry and quantization compensation
Publication number
20040185776
Publication date
Sep 23, 2004
The Boeing Company
Hanching G. Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIGITAL BEACON ASYMMETRY AND QUANTIZATION COMPENSATION
Publication number
20040113838
Publication date
Jun 17, 2004
The Boeing Company
Hanching G. Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ANTENNA SYSTEM FOR MULTIPLE ORBITS AND MULTIPLE AREAS
Publication number
20030090412
Publication date
May 15, 2003
Sudhakar Rao
H01 - BASIC ELECTRIC ELEMENTS