Inventor

Nobutsuna Motohashi

Inventor
Katsuragi, JP

Overview

19→
Patents
1990–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 19 as inventor

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

F16Cprimary
F16CShafts23%
Y10TTechnical subjects covered by former us classification20%
F01LCyclically operating valves for machines or engines18%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels9%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure9%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock5%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material2%
B62DMotor vehicles2%
C21DModifying the physical structure of ferrous metals2%
F16DCouplings for transmitting rotation2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2007Patents assigned to KOYO SEIKO CO (12)· patent assignee history
1990–2003Based in Osaka, JP· patent location history
1996–1997Based in Gose, JP· patent location history
2002–2006Based in Tokyo, JP· patent location history
2005Based in Hamura, JP· patent location history
2007–2018Based in Katsuragi, JP· patent location history
2010–2018Patents assigned to JTEKT CORP (7)· patent assignee history
2012Patents assigned to MOTOHASHI NOBUTSUNA (2)· patent assignee history
2012Patents assigned to FUKAO TADASHI (1)· patent assignee history
2012Patents assigned to MIYAGAWA YASUTAKA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOYO SEIKO CO121990–2007
JTEKT CORP72010–2018
MOTOHASHI NOBUTSUNAself22012
FUKAO TADASHI12012
MIYAGAWA YASUTAKA12012
Locations
LocationPatentsSpan
Katsuragi, JP82007–2018
Tokyo, JP42002–2006
Osaka, JP41990–2003
Gose, JP21996–1997
Hamura, JP12005