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John Xavier Przybysz
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Pittsburgh, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
High-power waveform generator
Patent number
5,854,604
Issue date
Dec 29, 1998
Northrop Grumman Corporation
John Xavier Przybysz
G01 - MEASURING TESTING
Information
Patent Grant
Josephson junction digital to analog converter for accurate AC wave...
Patent number
5,812,078
Issue date
Sep 22, 1998
Northrop Grumman Corporation
John Xavier Przybysz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
UHF digital to analog converter for cryogenic radar system
Patent number
5,798,722
Issue date
Aug 25, 1998
Northrop Grumman Corporation
John Xavier Przybysz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Direct X-band waveform generator
Patent number
5,760,736
Issue date
Jun 2, 1998
Northrop Grumman Corporation
John Xavier Przybysz
G01 - MEASURING TESTING
Information
Patent Grant
Multi-gigahertz single flux quantum switch
Patent number
5,552,735
Issue date
Sep 3, 1996
Northrop Grumman Corporation
Joonhee Kang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Bandpass sigma-delta modulator for analog-to-digital converters
Patent number
5,341,136
Issue date
Aug 23, 1994
Westinghouse Electric Corp.
John X. Przybysz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Spur-free sigma-delta modulator and multiple flux quanta feedback g...
Patent number
5,327,130
Issue date
Jul 5, 1994
Westinghouse Electric Corp.
Joonhee Kang
G01 - MEASURING TESTING
Information
Patent Grant
Single-flux-quantum multiply-accumulator
Patent number
5,289,400
Issue date
Feb 22, 1994
Westinghouse Electric Corp.
John X. Przybysz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Superconducting push-pull flux quantum logic circuits
Patent number
5,233,243
Issue date
Aug 3, 1993
Westinghouse Electric Corp.
John H. Murphy
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Superconducting push-pull flux quantum gate array cells
Patent number
5,233,242
Issue date
Aug 3, 1993
Westinghouse Electric Corp.
John H. Murphy
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Two loop superconducting sigma-delta analog-to-digital converters
Patent number
5,198,815
Issue date
Mar 30, 1993
Westinghouse Electric Corp.
John X. Przybysz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Superconducting push-pull flux quantum digital logic circuits
Patent number
5,170,080
Issue date
Dec 8, 1992
Westinghouse Electric Corp.
John H. Murphy
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Superconducting gate array cells
Patent number
5,164,618
Issue date
Nov 17, 1992
Westinghouse Electric Corp.
John H. Murphy
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Superconducting sigma-delta analog-to-digital converter
Patent number
5,140,324
Issue date
Aug 18, 1992
Westinghouse Electric Corp.
John X. Przybysz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method for forming refractory resistors with etch stop for supercon...
Patent number
5,069,748
Issue date
Dec 3, 1991
Westinghouse Electric Corp.
John X. Przybysz
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Refractory resistors with etch stop for superconductor integrated c...
Patent number
5,021,867
Issue date
Jun 4, 1991
Westinghouse Electric Corp.
John X. Przybysz
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Josephson analog to digital converter for low-level signals
Patent number
4,983,971
Issue date
Jan 8, 1991
Westinghouse Electric Corp.
John X. Przybysz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Refractory resistors with etch stop for superconductor integrated c...
Patent number
4,904,980
Issue date
Feb 27, 1990
Westinghouse Electric Corp.
John X. Przybysz
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Selective silicon dioxide etchant for superconductor integrated cir...
Patent number
4,904,341
Issue date
Feb 27, 1990
Westinghouse Electric Corp.
Richard D. Blaugher
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Superconducting digital logic amplifier
Patent number
4,859,879
Issue date
Aug 22, 1989
Westinghouse Electric Corp.
John X. Przybysz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Temperature stable self-protected thyristor and method of producing
Patent number
4,555,845
Issue date
Dec 3, 1985
Westinghouse Electric Corp.
John X. Przybysz
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High di/dt, light-triggered thyristor with etched moat current limi...
Patent number
4,536,783
Issue date
Aug 20, 1985
Westinghouse Electric Corp.
Donald L. Miller
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making a self-protected thyristor
Patent number
4,516,315
Issue date
May 14, 1985
Westinghouse Electric Corp.
John X. Przybysz
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making a self protected thyristor
Patent number
4,514,898
Issue date
May 7, 1985
Westinghouse Electric Corp.
John X. Przybysz
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Two stage etching process for through the substrate contacts
Patent number
4,381,341
Issue date
Apr 26, 1983
Westinghouse Electric Corp.
John X. Przybysz
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wet chemical etching of III/V semiconductor material without gas ev...
Patent number
4,353,779
Issue date
Oct 12, 1982
Westinghouse Electric Corp.
John X. Przybysz
H01 - BASIC ELECTRIC ELEMENTS