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Inventor

Seiji Nabeshima

Inventor
Kurashiki, JP

Overview

10→
Patents
1997–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

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

C22Cprimary
C22CAlloys30%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel26%
C21DModifying the physical structure of ferrous metals19%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace11%
Y02PClimate change mitigation technologies in the production or processing of goods7%
B22DCasting of metals4%
H01FMagnets4%
PatentTitleYear
11,008,633Non-oriented electrical steel sheet and production method thereof202110,920,297High-strength seamless steel pipe for oil country tubular goods and method of producing the same202110,876,182High-strength seamless steel pipe for oil country tubular goods and method of producing the same202010,844,453High-strength seamless steel pipe for oil country tubular goods and method of producing the same20206,841,123'Rust-resistant calcium steel'20056,764,528'Process for producing high-nitrogen ultralow-carbon steel'20046,120,578'Method of producing cluster-free Al-killed steel'20006,117,389'Titanium killed steel sheet and method'20005,879,479'Method of making ultra low-carbon steel'19995,616,188'Method of producing molten aluminum-killed steel for thin steel sheet'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2000Patents assigned to KAWASAKI STEEL CO (4)· patent assignee history
1997–2000Based in Okayama, JP· patent location history
2000–2021Based in Kurashiki, JP· patent location history
2004–2021Patents assigned to JFE STEEL CORP (6)· patent assignee history
2004–2005Based in Chiba, JP· patent location history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JFE STEEL CORP62004–2021
KAWASAKI STEEL CO41997–2000
Locations
LocationPatentsSpan
Kurashiki, JP42000–2021
Okayama, JP31997–2000
Chiba, JP22004–2005
Tokyo, JP12021