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Inventor

Koshiro Tsukada

Inventor
Yokohama, JP

Overview

2→
Patents
1977–1988
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.

C22Cprimary
C22CAlloys67%
B23KSoldering or unsoldering33%
PatentTitleYear
4,755,234'Method of manufacturing pressure vessel steel with high strength and toughness'19884,020,312'Method of manufacturing thick, high-strength steel pipe for low temperature service'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1988Patents assigned to NIPPON KOKAN KK (2)· patent assignee history
1977Based in Fukuyama, JP· patent location history
1988Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON KOKAN KK21977–1988
Locations
LocationPatentsSpan
Yokohama, JP11988
Fukuyama, JP11977