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Inventor

Hideru Hagiwara

Inventor
Tokyo, JP

Overview

2→
Patents
1991–1992
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C22Bprimary
C22BProduction and refining of metals100%
PatentTitleYear
5,143,355'Apparatus for manufacturing oxygen-free copper'19925,037,471'Method for manufacturing oxygen-free copper'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to MITSUBISHI METAL CORP (1)· patent assignee history
1991–1992Based in Tokyo, 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 MATERIALS CORP11992
MITSUBISHI METAL CORP11991
Locations
LocationPatentsSpan
Tokyo, JP21991–1992