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Inventor

Tetsuro Takehata

Inventor
Osaka, JP

Overview

5→
Patents
1981–1984
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.

B21Cprimary
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling71%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
4,463,589'Indirect extrusion press'19844,443,143'Billet scalper and drive mechanism therefor'19844,430,877'Method and cleaning container on indirect extrusion press'19844,379,398'Pull-back type indirect extrusion press'19834,251,202'Molding die stem with sleeve'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1984Patents assigned to KOBE STEEL LTD (5)· patent assignee history
1981–1984Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOBE STEEL LTD51981–1984
Locations
LocationPatentsSpan
Osaka, JP51981–1984