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Inventor

Yukito Io

Inventor
Kitakyushu, JP

Overview

3→
Patents
1980–1983
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C21Cprimary
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel50%
E04GScaffolding25%
F16LPipes25%
PatentTitleYear
4,387,884'Structure of oxygen passage in steel converter vessel supporting trunnion'19834,325,540'Apparatus for supplying fluids to a converter'19824,226,563'Automatic article-laying apparatus'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1983Patents assigned to NIPPON STEEL CORP (3)· patent assignee history
1980–1983Based in Kitakyushu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP31980–1983
Locations
LocationPatentsSpan
Kitakyushu, JP31980–1983