HOT-ROLLED STEEL SHEET

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20250109467A1
SERIAL NO

18711674

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A hot-rolled steel sheet has a predetermined chemical composition, a microstructure at a location of ¼ of a sheet thickness and at a location of 100 μm from a surface comprising, in area %, one or more of martensite and tempered martensite: 95% or more in total, and ferrite, bainite and pearlite: 5% or less in total, and an average dislocation density at the location of 100 μm from the surface is 1.2 times or more of an average dislocation density at the location of ¼ of the sheet thickness.

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATIONTOKYO

International Classification(s)

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  • 2022 Application Filing Year
  • C21D Class
  • 540 Applications Filed
  • 88 Patents Issued To-Date
  • 16.30 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HAYASHIDA, Teruki Tokyo, JP 13 73
ITO, Daisuke Tokyo, JP 466 2877
KUSUMI, Kazuhisa Tokyo, JP 26 189
SAKAKIBARA, Akifumi Tokyo, JP 19 33
YOKOI, Tatsuo Tokyo, JP 52 376

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  • C21D Class
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges13500102030405060708090100110120130140150

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