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Inventor

Tadao Tsutaya

Inventor
Kobe, JP

Overview

3→
Patents
1980–1981
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.

C22Bprimary
C22BProduction and refining of metals40%
Y10TTechnical subjects covered by former us classification40%
C21BManufacture of iron or steel20%
PatentTitleYear
4,273,577'Blast-furnace operation method'19814,257,806'Fired iron-ore pellets having macro pores and process for producing the same'19814,231,797'Fired iron-ore pellets having macro pores'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1981Patents assigned to KOBE STEEL LTD (3)· patent assignee history
1980–1981Based in Kobe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOBE STEEL LTD31980–1981
Locations
LocationPatentsSpan
Kobe, JP31980–1981