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Inventor

Kunihiro Tsuchiya

Inventor
Tomioka, JP

Overview

12→
Patents
1991–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 12 as inventor

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

F16Cprimary
F16CShafts44%
G11BInformation storage based on relative movement between record carrier and transducer36%
C09JAdhesives8%
B23KSoldering or unsoldering4%
G05BControl or regulating systems in general4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
PatentTitleYear
10,839,834Pivot assembly bearing device and pivot assembly bearing device fabrication method202010,508,687Pivot assembly bearing device20199,640,207'Bearing device'20179,542,964'Pivot assembly bearing and hard disk drive device'20179,500,233'Pivot assembly bearing and disk drive device'20169,330,711'Bearing device'20168,947,832'Bearing device and swing arm assembly for magnetic disk'20158,646,987'Pivot assembly bearing'20148,376,626'Pivot assembly bearing'20137,072,148'Apparatus for the sealing of a pivot assembly used in a hard disk drive'20066,883,969'Pivot bearing assembly and a method of manufacturing the same'20055,060,841'wire bonding method and apparatus and method of producing semiconductor device by use of wire bonding apparatus'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to HITACHI LTD (1)· patent assignee history
1991Patents assigned to HITACHI TOKYO ELECTRONICS (1)· patent assignee history
2005–2017Patents assigned to MINEBEA CO LTD (9)· patent assignee history
2005Based in Nagano, JP· patent location history
2006–2015Based in Miyota-machi, JP· patent location history
2013–2015Patents assigned to TSUCHIYA KUNIHIRO (2)· patent assignee history
2013–2014Based in Kitasaku-gun, JP· patent location history
2016–2020Based in Tomioka, JP· patent location history
2019–2020Patents assigned to MINEBEA MITSUMI INC (2)· patent assignee history
2019Based in Gumma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINEBEA CO LTD92005–2017
MINEBEA MITSUMI INC22019–2020
TSUCHIYA KUNIHIROself22013–2015
HITACHI LTD11991
HITACHI TOKYO ELECTRONICS11991
Locations
LocationPatentsSpan
Tomioka, JP52016–2020
Miyota-machi, JP22006–2015
Kitasaku-gun, JP22013–2014
Gumma, JP12019
Nagano, JP12005