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Inventor

Izumi Sukekawa

Inventor
Tokyo, JP

Overview

4→
Patents
1991–1992
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B22Dprimary
B22DCasting of metals50%
C22BProduction and refining of metals50%
PatentTitleYear
5,143,355'Apparatus for manufacturing oxygen-free copper'19925,062,614'Apparatus and method for manufacturing copper-base alloy'19915,037,471'Method for manufacturing oxygen-free copper'19914,981,514'Method for manufacturing copper-base alloy'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to MITSUBISHI METAL CORP (3)· patent assignee history
1991–1992Based in Tokyo, JP· patent location history
1991Based in Matsudo, JP· patent location history
1992Patents assigned to MITSUBISHI MATERIALS CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI METAL CORP31991
MITSUBISHI MATERIALS CORP11992
Locations
LocationPatentsSpan
Tokyo, JP21991–1992
Matsudo, JP21991