LexDanaLexDanabeta
Inventor

Shigetoshi Maeda

Inventor
Niihama, JP

Overview

1→
Patents
1981
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C22Bprimary
C22BProduction and refining of metals100%
PatentTitleYear
4,307,871'Apparatus for automatically punching the tuyeres of a converter'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to SUMITOMO METAL MINING CO (1)· patent assignee history
1981Based in Niihama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO METAL MINING CO11981
Locations
LocationPatentsSpan
Niihama, JP11981