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Inventor

Shigeo Ohashi

Inventor
Tsuchiura, JP

Overview

81→
Patents
1976–2015
Patent span
Electricity
Primary field (CPC H)

Patents· 81 as inventor

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

G06Fprimary
G06FElectric digital data processing19%
H01HElectric switches16%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
H05KPrinted circuits12%
LOCD16%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact5%
G02BOptical elements, systems or apparatus5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
F01PCooling of machines or engines in general2%
PatentTitleYear
8,937,390'Semiconductor device having a liquid cooling module'20158,704,352'Semiconductor device having a liquid cooling module'20148,355,298'Magnetic recording head having a flexible heat-conductive member of predetermined curvature'20138,350,980'Liquid crystal display apparatus with flexible cable connecting light source and circuit board'20138,350,989'Liquid crystal display device'20138,240,166'Cooling system and electronic equipment including cooling system'20128,159,629'Liquid crystal display unit'20127,980,294'Liquid cooling system'20117,843,525'Liquid crystal display appliance'20107,651,249'Liquid crystal display device'20107,624,789'Liquid cooling system and an electronic apparatus having the same therein'20097,516,777'Cooling jacket'20097,383,557'Recording disk apparatus having regions of constrained thermal conduction'20087,296,618'Liquid cooling system and electronic apparatus using the same'20077,210,789'Liquid crystal display device and liquid crystal cooling unit'20077,113,404'Liquid cooling system'20067,050,299'Electronic equipment'20066,987,668'Liquid cooling system and personal computer using thereof'20066,972,954'Liquid cooling system and personal computer using the same'20056,947,282'Electronic device, liquid cooling system and tank'20056,885,556'Electronic apparatus'20056,873,525'Liquid cooling system and personal computer using the same'20056,847,113'Electronic apparatus with plate-like member having plural recesses containing heat accumulating material'20056,808,014'Cooling device of electronic apparatus'20046,809,927'Liquid circulation cooling system for electronic apparatus'20046,807,056'Electronic equipment'20046,757,169'Electronic apparatus'20046,741,464'Liquid cooling system and personal computer using thereof'20046,697,253'Liquid cooling system and personal computer using thereof'20046,611,425'Electronic apparatus'20036,449,149'Electronic equipment'20026,430,042'Electronic apparatus having means for cooling a semiconductor element mounted therein'20026,348,665'Tilt switch'20026,185,481'Air cooled electronic equipment apparatus'20016,094,343'Heat dissipation structure for electronic equipment including two heat dissipation block assemblies and a heat conductive coupler'20006,094,344'Heat dissipation structure for a personal computer including two heat dissipation block assemblies and two heat dissipation plates'20005,900,599'Switch for display'19995,805,417'Heat dissipation structure in a portable computer including a heat dissipation block extending from a heat dissipation plate through a first circuit board to a CPU on a second circuit board'19985,764,483'Cooling unit for electronic equipment'19985,694,294'Portable computer with fan moving air from a first space created between a keyboard and a first circuit board and a second space created between the first circuit board and a second circuit board'19975,646,824'Electronic equipment and lap-top type electronic equipment'19975,488,255'Cooling device for semiconductor packages, having flexible film heat expulsion means'19965,365,402'Cooling apparatus of electronic device'19945,278,362'Push-button switch with display device'19945,270,572'Liquid impingement cooling module for semiconductor devices'19935,253,493'Washing machine having a sink'19935,200,884'Electrical control device'19935,038,004'Miniature switch'19915,004,318'Small optical fiber switch'19914,997,996'Printed wiring board mounted electronic component'19914,977,444'Semiconductor cooling apparatus'19904,949,164'Semiconductor cooling apparatus and cooling method thereof'19904,862,325'Printed wiring board mounted electronic component'19894,733,035'Switch with device for preventing erroneous operation'19884,707,765'Printed wiring board mounted control instrument'1987D0287359'Push button switch'19864,585,914'Miniature push-button switch'1986D0280814'Push button switch'1985D0280719'Toggle switch'1985D0280718'Toggle switch'19854,535,534'Method of mounting a switch body on a printing wiring board or panel'19854,527,023'Small-sized rotary switch'19854,447,685'Small-sized push-button switch'19844,437,728'Photo-switch'19844,434,339'Mounting frame equipped wth decorative plate for mounting switch or the like'1984D0271014'Switch frame'19834,406,936'Mounting frame equipped with decorative plate for mounting switch or the like'1983D0269954'Indicator light'1983D0269607'Switch frame'1983D0268928'Push button switch'1983D0268927'Push button switch'1983D0268836'Switch'1983D0268838'Switch'1983D0268837'Switch'19834,371,767'Small-sized switch'19834,321,442'Small-sized switch with indicator'19824,313,041'Small switch'19824,292,615'Switching element'19814,281,232'Small illuminating switch'19814,063,055'Switch with an on-off indicating mechanism'19773,996,441'Switch with rocker actuator having detachable cover'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2015Patents assigned to OHASHI SHIGEO (22)· patent assignee history
1976–1994Based in Tokyo, JP· patent location history
1981–2002Patents assigned to NIHON KAIHEIKI IND CO LTD (20)· patent assignee history
1981–1982Based in Setagaya, JP· patent location history
1990–2013Patents assigned to HITACHI LTD (39)· patent assignee history
1990–2015Based in Chiyoda-ku, JP· patent location history
1993–2013Based in Tsuchiura, JP· patent location history
1999–2002Based in Kawasaki, JP· patent location history
2012–2013Patents assigned to NISHIJIMA NORIYO (4)· patent assignee history
2012–2013Patents assigned to SATO KATSUNARI (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD391990–2013
OHASHI SHIGEOself221976–2015
NIHON KAIHEIKI IND CO LTD201981–2002
NISHIJIMA NORIYO42012–2013
SATO KATSUNARI32012–2013
Locations
LocationPatentsSpan
Tsuchiura, JP401993–2013
Tokyo, JP331976–1994
Chiyoda-ku, JP31990–2015
Kawasaki, JP21999–2002
Setagaya, JP21981–1982