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Inventor

Hiroyuki Ohshima

Inventor
Kashihara, JP

Overview

11→
Patents
1992–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 11 as inventor

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

F16Cprimary
F16CShafts38%
H10DInorganic electric semiconductor devices19%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
C21DModifying the physical structure of ferrous metals6%
F16HGearing6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,520,017Tapered roller bearing20199,441,674'Ball bearing'20168,480,308'Tapered roller bearing, tapered roller bearing apparatus, and automotive pinion shaft supporting apparatus utilizing same tapered roller bearing apparatus'20137,871,201'Tapered roller bearing, tapered roller bearing apparatus, and automotive pinion shaft supporting apparatus utilizing same tapered roller bearing apparatus'20117,484,895'Tapered roller bearing and automotive pinion shaft supporting apparatus utilizing same tapered roller bearing'20097,484,894'Tapered roller bearing an automotive pinion shaft supporting apparatus utilizing same tapered roller bearing'20095,834,827'Thin film semiconductor device, fabrication method thereof, electronic device and its fabrication method'19985,541,694'Light shielding blade caulking pin'19965,420,654'Shutter blade device'19955,294,555'Method of manufacturing thin film transistor and active matrix assembly including same'19945,124,768'Thin film transistor and active matrix assembly including same'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1998Patents assigned to SEIKO EPSON CORP (3)· patent assignee history
1992–1994Based in Suwa, JP· patent location history
1995–1996Patents assigned to NIKON CORP (2)· patent assignee history
1995–1996Based in Yokohama, JP· patent location history
1998Based in Nagano, JP· patent location history
2009–2019Patents assigned to JTEKT CORP (6)· patent assignee history
2009–2019Based in Kashihara, JP· patent location history
2013Patents assigned to KAWAGUCHI KOUJI (1)· patent assignee history
2013Patents assigned to MASUDA NAOKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JTEKT CORP62009–2019
SEIKO EPSON CORP31992–1998
NIKON CORP21995–1996
KAWAGUCHI KOUJI12013
MASUDA NAOKI12013
Locations
LocationPatentsSpan
Kashihara, JP62009–2019
Yokohama, JP21995–1996
Suwa, JP21992–1994
Nagano, JP11998