Inventor

John X. Przybysz

Inventor

Penn Hills, PA, US

Overview

41→

Patents

1982–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 41 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y10Sprimary

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

H10NElectric solid-state devices not otherwise provided for10%

H03MCoding9%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%

H01LSemiconductor devices8%

H03KPulse technique8%

B82YSpecific uses or applications of nanostructures6%

H10KOrganic electric solid-state devices6%

H05KPrinted circuits4%

H10DInorganic electric semiconductor devices4%

PatentTitleYear

11,004,763Superconducting device with multiple thermal sinks2021 10,998,485Cooler device with superconductor shunts2021 10,727,162Integrated circuit having a heat sink coupled to separate ground planes through vias with different thermal characteristics2020 10,629,535Thermally isolated ground planes with a superconducting electrical coupler2020 10,229,864Cryogenic integrated circuit having a heat sink coupled to separate ground planes through differently sized thermal vias2019 9,570,695'Carbon mixture ohmic contact for carbon nanotube transistor devices'2017 9,401,488'Cobalt-carbon eutectic metal alloy ohmic contact for carbon nanotube field effect transistors'2016 8,559,906'System and method for providing a carbon nanotube mixer'2013 8,548,415'Carbon nanotube devices and method of fabricating the same'2013 8,138,784'Method and apparatus for controlling qubits with single flux quantum logic'2012 7,982,646'Method and apparatus for matched quantum accurate feedback DACs'2011 7,969,178'Method and apparatus for controlling qubits with single flux quantum logic'2011 7,724,083'Method and apparatus for Josephson distributed output amplifier'2010 7,714,386'Carbon nanotube field effect transistor'2010 7,359,694'Carbon nanotube devices and method of fabricating the same'2008 5,854,604'High-power waveform generator'1998 5,812,078'Josephson junction digital to analog converter for accurate AC waveform synthesis'1998 5,798,722'UHF digital to analog converter for cryogenic radar system'1998 5,760,736'Direct X-band waveform generator'1998 5,552,735'Multi-gigahertz single flux quantum switch'1996 5,341,136'Bandpass sigma-delta modulator for analog-to-digital converters'1994 5,327,130'Spur-free sigma-delta modulator and multiple flux quanta feedback generator'1994 5,289,400'Single-flux-quantum multiply-accumulator'1994 5,233,242'Superconducting push-pull flux quantum gate array cells'1993 5,233,243'Superconducting push-pull flux quantum logic circuits'1993 5,198,815'Two loop superconducting sigma-delta analog-to-digital converters'1993 5,170,080'Superconducting push-pull flux quantum digital logic circuits'1992 5,164,618'Superconducting gate array cells'1992 5,140,324'Superconducting sigma-delta analog-to-digital converter'1992 5,069,748'Method for forming refractory resistors with etch stop for superconductor integrated circuits'1991 5,021,867'Refractory resistors with etch stop for superconductor integrated circuits'1991 4,983,971'Josephson analog to digital converter for low-level signals'1991 4,904,341'Selective silicon dioxide etchant for superconductor integrated circuits'1990 4,904,980'Refractory resistors with etch stop for superconductor integrated circuits'1990 4,859,879'Superconducting digital logic amplifier'1989 4,555,845'Temperature stable self-protected thyristor and method of producing'1985 4,536,783'High di/dt, light-triggered thyristor with etched moat current limiting resistors'1985 4,516,315'Method of making a self-protected thyristor'1985 4,514,898'Method of making a self protected thyristor'1985 4,381,341'Two stage etching process for through the substrate contacts'1983 4,353,779'Wet chemical etching of III/V semiconductor material without gas evolution'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1994Patents assigned to WESTINGHOUSE ELECTRIC CORP (21)· patent assignee history

1982–1996Based in Penn Hills, PA, US· patent location history

1985–1998Based in Pittsburgh, PA, US· patent location history

1985Based in Penn Hills Township, Allegheny County, PA, US· patent location history

1996–2008Patents assigned to NORTHROP GRUMMAN CORP (6)· patent assignee history

2008–2021Based in Severna Park, MD, US· patent location history

2010–2021Patents assigned to NORTHROP GRUMMAN SYSTEMS CORP (14)· patent assignee history

2013–2021Patents assigned to PRZYBYSZ JOHN X (4)· patent assignee history

2019–2021Patents assigned to HATHAWAY AARON ASHLEY (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WESTINGHOUSE ELECTRIC CORP	21	1982–1994
NORTHROP GRUMMAN SYSTEMS CORP	14	2010–2021
NORTHROP GRUMMAN CORP	6	1996–2008
PRZYBYSZ JOHN Xself	4	2013–2021
HATHAWAY AARON ASHLEY	3	2019–2021

Locations

Location	Patents	Span
Penn Hills, Pennsylvania, US	20	1982–1996
Severna Park, Maryland, US	15	2008–2021
Pittsburgh, Pennsylvania, US	5	1985–1998
Penn Hills Township, Allegheny County, Pennsylvania, US	1	1985