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Inventor

Takashi Tsukahara

Inventor
Osaka, JP

Overview

34→
Patents
1989–2018
Patent span
LOC
Primary field

Patents· 34 as inventor

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

LOC14primary
LOC1436%
LOC1624%
F16FSprings12%
B60GVehicle suspension arrangements10%
C08JWorking-up2%
F16DCouplings for transmitting rotation2%
G06FElectric digital data processing2%
H01HElectric switches2%
H02KDynamo-electric machines2%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems2%
PatentTitleYear
10,112,453Shock absorber201810,029,530Pressure damper and damping force generation mechanism201810,030,735Pressure damping device20189,796,234'Shock absorber'2017D0798932'Surveillance camera'2017D0795859'Portable computer'2017D0775681'Projector'20179,531,248'Non-contact power transmission apparatus'2016D0766232'Portable computer'2016D0756998'Portable computer'2016D0753650'Portable computer'2016D0753207'Surveillance camera'2016D0736295'Surveillance camera'2015D0733699'Portable computer'2015D0733698'Portable computer'2015D0733119'Portable computer'2015D0730427'Projector'2015D0727999'Projector'20158,973,726'Hydraulic shock absorber'2015D0719565'Portable computer'2014D0719151'Portable computer'2014D0710331'Remote controller for projector'2014D0708178'Portable computer'2014D0708177'Portable computer'20148,669,942'Input device having key tops'2014D0688724'Projector'2013D0578537'Personal computer'2008D0574382'Personal computer'2008D0557318'LCD video projector'2007D0545865'LCD video projector'2007D0542828'LCD video projector'2007D0476638'Combined digital video disc player with video game player, radio tuner and digital audio disc player'20035,504,187'Polymer granules containing little residual solvent'19964,879,639'Power converter for driving an AC motor at a variable speed'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (6)· patent assignee history
2003–2017Based in Osaka, JP· patent location history
2007–2008Based in Kadoma, JP· patent location history
2013–2015Patents assigned to PANASONIC CORP (13)· patent assignee history
2013–2014Patents assigned to TSUKAHARA TAKASHI (2)· patent assignee history
2015–2017Patents assigned to PANASONIC IP MAN CO LTD (13)· patent assignee history
2015–2018Patents assigned to SHOWA CORP (5)· patent assignee history
2015–2018Based in Gyoda, JP· patent location history
2016Based in Utsunomiya, JP· patent location history
2017Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PANASONIC CORP132013–2015
PANASONIC IP MAN CO LTD132015–2017
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD62003–2008
SHOWA CORP52015–2018
TSUKAHARA TAKASHIself22013–2014
Locations
LocationPatentsSpan
Osaka, JP222003–2017
Gyoda, JP52015–2018
Kadoma, JP32007–2008
Tokyo, JP12017
Utsunomiya, JP12016