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Akifumi SAKAKIBARA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Hot-rolled steel sheet
    • Patent number 12,180,570
    • Issue date Dec 31, 2024
    • Nippon Steel Corporation
    • Hiroshi Shuto
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Hot-rolled steel sheet
    • Patent number 12,123,064
    • Issue date Oct 22, 2024
    • Nippon Steel Corporation
    • Hiroshi Shuto
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Hot rolled steel sheet
    • Patent number 12,018,352
    • Issue date Jun 25, 2024
    • Nippon Steel Corporation
    • Mutsumi Sakakibara
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Hot-rolled steel sheet
    • Patent number 11,970,758
    • Issue date Apr 30, 2024
    • Nippon Steel Corporation
    • Hiroshi Shuto
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Hot-rolled steel sheet
    • Patent number 11,255,005
    • Issue date Feb 22, 2022
    • Nippon Steel Corporation
    • Daisuke Maeda
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Hot-rolled steel sheet and manufacturing method thereof
    • Patent number 11,208,702
    • Issue date Dec 28, 2021
    • Nippon Steel Corporation
    • Akifumi Sakakibara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hot-rolled steel sheet, steel material, and method for producing ho...
    • Patent number 10,718,040
    • Issue date Jul 21, 2020
    • Nippon Steel Corporation
    • Teruki Hayashida
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Hot-rolled steel sheet
    • Patent number 10,655,192
    • Issue date May 19, 2020
    • Nippon Steel Corporation
    • Akifumi Sakakibara
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Hot-rolled steel sheet and manufacturing method thereof
    • Patent number 10,260,124
    • Issue date Apr 16, 2019
    • Nippon Steel & Sumitomo Metal Corporation
    • Akifumi Sakakibara
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Hot-rolled steel sheet
    • Patent number 10,023,929
    • Issue date Jul 17, 2018
    • Nippon Steel & Sumitomo Metal Corporation
    • Hiroshi Shuto
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20250109467
    • Publication date Apr 3, 2025
    • NIPPON STEEL CORPORATION
    • Daisuke ITO
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20240384378
    • Publication date Nov 21, 2024
    • NIPPON STEEL CORPORATION
    • Hiroshi SHUTO
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20230357908
    • Publication date Nov 9, 2023
    • NIPPON STEEL CORPORATION
    • Daisuke ITO
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20230349017
    • Publication date Nov 2, 2023
    • NIPPON STEEL CORPORATION
    • Mutsumi SAKAKIBARA
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20230295783
    • Publication date Sep 21, 2023
    • NIPPON STEEL CORPORATION
    • Hiroshi SHUTO
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20230257845
    • Publication date Aug 17, 2023
    • NIPPON STEEL CORPORATION
    • Hiroshi SHUTO
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20230055479
    • Publication date Feb 23, 2023
    • NIPPON STEEL CORPORATION
    • Hiroshi SHUTO
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
    • Publication number 20230041990
    • Publication date Feb 9, 2023
    • NIPPON STEEL CORPORATION
    • Jun ANDO
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20220389554
    • Publication date Dec 8, 2022
    • NIPPON STEEL CORPORATION
    • Hiroshi SHUTO
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    HOT ROLLED STEEL SHEET
    • Publication number 20220251693
    • Publication date Aug 11, 2022
    • NIPPON STEEL CORPORATION
    • Mutsumi SAKAKIBARA
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20220119902
    • Publication date Apr 21, 2022
    • NIPPON STEEL CORPORATION
    • Hiroshi SHUTO
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20220042147
    • Publication date Feb 10, 2022
    • NIPPON STEEL CORPORATION
    • Hiroshi SHUTO
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20210381086
    • Publication date Dec 9, 2021
    • NIPPON STEEL CORPORATION
    • Hiroshi SHUTO
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20190177822
    • Publication date Jun 13, 2019
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Daisuke MAEDA
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF
    • Publication number 20190161820
    • Publication date May 30, 2019
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Akifumi SAKAKIBARA
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    HOT-ROLLED STEEL SHEET, STEEL MATERIAL, AND METHOD FOR PRODUCING HO...
    • Publication number 20180073115
    • Publication date Mar 15, 2018
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Teruki HAYASHIDA
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20170253944
    • Publication date Sep 7, 2017
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Akifumi SAKAKIBARA
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF
    • Publication number 20160273066
    • Publication date Sep 22, 2016
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Akifumi SAKAKIBARA
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF
    • Publication number 20150376730
    • Publication date Dec 31, 2015
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Hiroshi SHUTO
    • B32 - LAYERED PRODUCTS