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Kazumasa TSUTSUI

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hot-rolled steel sheet
    • Patent number 12,203,157
    • Issue date Jan 21, 2025
    • Nippon Steel Corporation
    • Koutarou Hayashi
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Hot-rolled steel sheet
    • Patent number 12,116,646
    • Issue date Oct 15, 2024
    • Nippon Steel Corporation
    • Mutsumi Sakakibara
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

  • 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 20240318274
    • Publication date Sep 26, 2024
    • NIPPON STEEL CORPORATION
    • Kazumasa TSUTSUI
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20230323496
    • Publication date Oct 12, 2023
    • NIPPON STEEL CORPORATION
    • Mitsuru YOSHIDA
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT ROLLED STEEL SHEET
    • Publication number 20230304112
    • Publication date Sep 28, 2023
    • NIPPON STEEL CORPORATION
    • Shohei YABU
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HIGH-STRENGTH STEEL SHEET
    • Publication number 20230295760
    • Publication date Sep 21, 2023
    • NIPPON STEEL CORPORATION
    • Genki ABUKAWA
    • 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 20230279532
    • Publication date Sep 7, 2023
    • NIPPON STEEL CORPORATION
    • Kazumasa TSUTSUI
    • 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 20230133134
    • Publication date May 4, 2023
    • NIPPON STEEL CORPORATION
    • Mutsumi SAKAKIBARA
    • 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
    • Publication number 20230047602
    • Publication date Feb 16, 2023
    • NIPPON STEEL CORPORATION
    • Kazumasa TSUTSUI
    • 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 AND METHOD OF MANUFACTURING SAME
    • Publication number 20220259692
    • Publication date Aug 18, 2022
    • NIPPON STEEL CORPORATION
    • Shohei YABU
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    HOT-ROLLED STEEL SHEET
    • Publication number 20220081748
    • Publication date Mar 17, 2022
    • NIPPON STEEL CORPORATION
    • Koutarou HAYASHI
    • C21 - METALLURGY OF IRON