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Inventor

Hiroshi Gokan

Inventor
Tokyo, JP

Overview

16→
Patents
1981–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 16 as inventor

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

F02Dprimary
F02DControlling combustion engines10%
B60WConjoint control of vehicle sub-units of different type or different function6%
B66BElevators6%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%
G06FElectric digital data processing6%
G11CStatic stores6%
H01FMagnets6%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B62DMotor vehicles3%
PatentTitleYear
10,778,195Gate drive circuit and gate drive system202010,196,085Electric power steering device20198,773,051'Power converter'20148,450,983'Secondary control system for maintaining motor generator power generation during primary control failure'20136,795,767'On-vehicle electronic controller'20046,745,120'Vehicle-mounted electronic control apparatus'20046,678,586'Vehicle built-in electronic control apparatus'20046,640,259'Vehicle-mounted electronic control apparatus'20036,471,011'Elevator communication controller and communication control method'20026,450,298'Communications control system for elevators'20026,357,015'Data interface and high-speed communication system using the same'20024,983,545'Planarization of dielectric films on integrated circuits'19914,624,909'Silicon-containing novolak resin and resist material and pattern forming method using same'19864,390,404'Process for manufacture of thin-film magnetic bubble domain detection device'19834,302,822'Thin-film magnetic bubble domain detection device and process for manufacturing the same'19814,279,986'Negative resist and radical scavenger composition with capability of preventing post-irradiation polymerization'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1983Patents assigned to NIPPON ELECTRIC CO (3)· patent assignee history
1981–2020Based in Tokyo, JP· patent location history
1986–1991Patents assigned to NEC CORP (2)· patent assignee history
1991Patents assigned to SANYO CHEMICAL IND LTD (1)· patent assignee history
2002–2020Patents assigned to MITSUBISHI ELECTRIC CORP (11)· patent assignee history
2013–2014Patents assigned to GOKAN HIROSHI (2)· patent assignee history
2013Based in Chiyoda-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP112002–2020
NIPPON ELECTRIC CO31981–1983
GOKAN HIROSHIself22013–2014
NEC CORP21986–1991
SANYO CHEMICAL IND LTD11991
Locations
LocationPatentsSpan
Tokyo, JP151981–2020
Chiyoda-ku, JP12013