TREA

Takuya Tanahashi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rail and production method therefor
    • Patent number 10,563,357
    • Issue date Feb 18, 2020
    • Nippon Steel Corporation
    • Masaharu Ueda
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Rail
    • Patent number 10,494,704
    • Issue date Dec 3, 2019
    • Nippon Steel Corporation
    • Masaharu Ueda
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Rail and production method therefor
    • Patent number 10,233,512
    • Issue date Mar 19, 2019
    • Nippon Steel & Sumitomo Metal Corporation
    • Masaharu Ueda
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Steel rail and method of manufacturing the same
    • Patent number 8,980,019
    • Issue date Mar 17, 2015
    • Nippon Steel & Sumitomo Metal Corporation
    • Masaharu Ueda
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Pearlite rail
    • Patent number 8,361,246
    • Issue date Jan 29, 2013
    • Nippon Steel Corporation
    • Masaharu Ueda
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

  • Information Patent Application

    WELDED RAIL
    • Publication number 20230193438
    • Publication date Jun 22, 2023
    • NIPPON STEEL CORPORATION
    • Masaharu UEDA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    RAIL
    • Publication number 20220120039
    • Publication date Apr 21, 2022
    • NIPPON STEEL CORPORATION
    • Masaharu UEDA
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    RAIL AND METHOD OF MANUFACTURING RAIL
    • Publication number 20210395847
    • Publication date Dec 23, 2021
    • NIPPON STEEL CORPORATION
    • Masaharu UEDA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    RAIL
    • Publication number 20170369975
    • Publication date Dec 28, 2017
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Masaharu UEDA
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    RAIL AND PRODUCTION METHOD THEREFOR
    • Publication number 20170051373
    • Publication date Feb 23, 2017
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Masaharu UEDA
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    RAIL AND PRODUCTION METHOD THEREFOR
    • Publication number 20170044634
    • Publication date Feb 16, 2017
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Masaharu UEDA
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    STEEL RAIL AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20130065079
    • Publication date Mar 14, 2013
    • Masaharu Ueda
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    PEARLITE RAIL
    • Publication number 20110226389
    • Publication date Sep 22, 2011
    • NIPPON STEEL CORPORATION
    • Masaharu Ueda
    • C21 - METALLURGY OF IRON