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Inventor

Hirofumi Ohtsubo

Inventor
Tokyo, JP

Overview

1→
Patents
2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B21Bprimary
B21BRolling of metal20%
B21JForging20%
C21DModifying the physical structure of ferrous metals20%
C22CAlloys20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
10,351,926High toughness and high tensile strength thick steel plate with excellent material homogeneity and production method for same2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019Patents assigned to JFE STEEL CORP (1)· patent assignee history
2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JFE STEEL CORP12019
Locations
LocationPatentsSpan
Tokyo, JP12019