HOT-ROLLED STEEL SHEET, METHOD OF MANUFACTURING THE SAME, AND EQUIPMENT FOR MANUFACTURING THE SAME

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United States of America Patent

APP PUB NO 20150184266A1
SERIAL NO

14183973

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Abstract

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A method of manufacturing a hot-rolled steel sheet is explained. The method includes hot-rolling a slab, performing a first phase transformation process cooling a surface of the hot-rolled slab to phase-transform a structure of a surface portion of the hot-rolled slab, performing a second phase transformation process to phase-transform a structure of a central portion of the hot-rolled slab after the first phase transformation process, and coiling the slab including the phase-transformed surface portion and the phase-transformed central portion.

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Patent Owner(s)

Patent OwnerAddress
INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS55 HANYANGDAEHAK-RO SANGNOK-GU ANSAN-SI GYEONGGI-DO 15588 15588

International Classification(s)

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  • 2014 Application Filing Year
  • C21D Class
  • 586 Applications Filed
  • 448 Patents Issued To-Date
  • 76.46 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20142015201620172018201920202021202220230255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Duhan Ansan-si, KR 2 1
Kim, Jongryoul Seoul, KR 8 12

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  • 1 Citation Count
  • C21D Class
  • 31.67 % this patent is cited more than
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges5711372101 - 1011 - 2021 - 3031 - 4005101520253035404550556065707580859095100105110115120

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