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Inventor

Stephen Horvath

Inventor
St. Ives, AU

Overview

18→
Patents
1976–2019
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 18 as inventor

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

Y02Eprimary
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution12%
G06FElectric digital data processing8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
B41JTypewriters6%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals6%
F02BInternal-combustion piston engines6%
Y02TClimate change mitigation technologies related to transportation6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
E05BLocks4%
PatentTitleYear
10,454,302Power source adjustment20199,511,585'Thermal inkjet printhead stack with amorphous thin metal protective layer'20169,475,948'Ink jet ink with high structure pigment particles'20168,684,501'Fluid ejection device'20148,671,295'Generating a signal to reduce computer system power consumption from signals provided by a plurality of power supplies'20148,522,077'Power supply grid switch'20137,424,630'Multiprocessor system with selective processor power down of core and inter-processor communications ports'20086,204,706'Voltage supervisory circuit for a multi-rail power supply'20015,047,697'Dual axis dynamic focus of an electron beam in a display monitor'19914,490,349'Hydrogen production'19844,454,850'Apparatus and method for energy conversion'1984RE030263'Catch mechanism'19804,107,008'Electrolysis method for producing hydrogen and oxygen'19784,015,869'Catch mechanism'19773,990,664'Mounting bracket for reflectors'19763,980,053'Fuel supply apparatus for internal combustion engines'19763,954,592'Electrolysis apparatus'19763,953,712'Magnetic identification apparatus'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1984Patents assigned to BEESTON CO LTD (5)· patent assignee history
1976–1984Based in St. Ives, AU· patent location history
1976Based in Naperville, IL, US· patent location history
1991–2001Patents assigned to HEWLETT PACKARD CO (2)· patent assignee history
1991–2019Based in Roseville, CA, US· patent location history
2008–2014Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (4)· patent assignee history
2014–2016Patents assigned to HORVATH STEPHEN (2)· patent assignee history
2014–2016Based in San Diego, CA, US· patent location history
2016Patents assigned to HEWLETT PACKARD DEVELOPMENT CO LP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BEESTON CO LTD51976–1984
HEWLETT PACKARD DEVELOPMENT CO42008–2014
HEWLETT PACKARD CO21991–2001
HEWLETT PACKARD DEVELOPMENT CO LP22016
HORVATH STEPHENself22014–2016
Locations
LocationPatentsSpan
St. Ives, AU81976–1984
Roseville, California, US61991–2019
San Diego, California, US32014–2016
Naperville, Illinois, US11976