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Inventor

Masakazu Ueda

Inventor
Kobe, JP

Overview

6→
Patents
1980–1990
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

B21Cprimary
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling83%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material17%
PatentTitleYear
4,977,774'Press device'19904,744,236'Method of and apparatus for indirect extrusion'19884,606,211'Indirect extrusion press'19864,424,696'Indirect extrusion press'19844,399,676'Mandrel cleaning device for extrusion press'19834,230,661'Indirect extrusion process'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1990Patents assigned to KOBE STEEL LTD (6)· patent assignee history
1980–1990Based in Kobe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOBE STEEL LTD61980–1990
Locations
LocationPatentsSpan
Kobe, JP61980–1990