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Inventor

Yujiro Ohara

Inventor
Kamakura, JP

Overview

5→
Patents
1998–2007
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification31%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels19%
B21JForging13%
F16HGearing13%
B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls6%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool6%
B23PMetal-working not otherwise provided for6%
F01LCyclically operating valves for machines or engines6%
PatentTitleYear
7,246,588'Assembled camshaft for engine and production method thereof'20076,775,908'Production method of cam lobe piece of assembled camshaft'20046,732,605'Bevel gear'20046,302,971'Process for making moveable pulley half'20015,729,883'Method of producing a forging'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2007Patents assigned to NISSAN MOTOR (5)· patent assignee history
1998–2007Based in Kamakura, JP· patent location history
2001–2004Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NISSAN MOTOR51998–2007
Locations
LocationPatentsSpan
Kamakura, JP31998–2007
Kanagawa, JP22001–2004