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Inventor

Tetsu Nakahashi

Inventor
Handa, JP

Overview

2→
Patents
2018–2019
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.

C21Dprimary
C21DModifying the physical structure of ferrous metals29%
C22CAlloys29%
B21BRolling of metal14%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling14%
B22DCasting of metals14%
PatentTitleYear
10,329,633High-strength seamless stainless steel pipe for oil country tubular goods and method for manufacturing the same201910,151,012High-strength stainless steel pipe2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2019Patents assigned to JFE STEEL CORP (2)· patent assignee history
2018Based in Tokyo, JP· patent location history
2019Based in Handa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JFE STEEL CORP22018–2019
Locations
LocationPatentsSpan
Handa, JP12019
Tokyo, JP12018