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Takyiu Liu
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Newbury Park, CA, US
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last 30 patents
Information
Patent Grant
Effective constant doping in a graded compositional alloy
Patent number
5,753,545
Issue date
May 19, 1998
Hughes Electronics Corporation
Takyiu Liu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making high-speed, low-noise millimeterwave HEMT and pseu...
Patent number
5,721,161
Issue date
Feb 24, 1998
Hughes Aircraft Company
Chanh Nguyen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low-noise and power ALGaPSb/GaInAs HEMTs and pseudomorpohic HEMTs o...
Patent number
5,663,583
Issue date
Sep 2, 1997
Hughes Aircraft Company
Mehran Matloubian
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
AlPSb/InP single heterojunction bipolar transistor on InP substrate...
Patent number
5,612,551
Issue date
Mar 18, 1997
Hughes Electronics
Takyiu Liu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making an AlPSb/InP single heterojunction bipolar transis...
Patent number
5,610,086
Issue date
Mar 11, 1997
Hughes Aircraft Company
Takyiu Liu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Parabolically graded base-collector double heterojunction bipolar t...
Patent number
5,606,185
Issue date
Feb 25, 1997
Hughes Aircraft Company
Chanh Nguyen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of growing high breakdown voltage allnas layers in InP devic...
Patent number
5,603,765
Issue date
Feb 18, 1997
Hughes Aircraft Company
Mehran Matloubian
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-Speed, low-noise millimeterwave hemt and pseudomorphic hemt
Patent number
5,548,140
Issue date
Aug 20, 1996
Hughes Aircraft Company
Chanh Nguyen
H01 - BASIC ELECTRIC ELEMENTS