Inventor

Masayuki Kohama

Inventor

Moriyama, JP

Overview

6→

Patents

1980–2000

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 6 as inventor

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

F16Cprimary

F16CShafts33%

Y10TTechnical subjects covered by former us classification28%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material17%

B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles6%

E05DHinges or suspension devices for doors, windows or wings6%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof6%

F16FSprings6%

PatentTitleYear

6,158,559'Bearing device of piston rod'2000 5,092,017'Automotive door hinge assembly, bush employed therein and method for installing bush in door hinge assembly'1992 4,693,107'Method of manufacturing wound bush bearing with notch-free flange and mold assembly for manufacturing the same'1987 4,660,401'Apparatus for producing bearings in the form of press worked bush'1987 4,638,538'Method of manufacturing wound bush bearing with notch-free flange and mold assembly for manufacturing the same'1987 4,231,673'Ball joint and a method for manufacturing the ball joint'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2000Patents assigned to OILES INDUSTRY CO LTD (5)· patent assignee history

1980Based in Shiga, JP· patent location history

1987Patents assigned to OILS INDUSTRY CO LTD (1)· patent assignee history

1987–2000Based in Moriyama, JP· patent location history

1992Patents assigned to OHI SEISAKUSHO CO LTD (1)· patent assignee history

1992Based in Fujisawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OILES INDUSTRY CO LTD	5	1980–2000
OHI SEISAKUSHO CO LTD	1	1992
OILS INDUSTRY CO LTD	1	1987

Locations

Location	Patents	Span
Moriyama, JP	4	1987–2000
Fujisawa, JP	1	1992
Shiga, JP	1	1980