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Koichi BANNO

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  • Hokkaido, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Steel for suspension spring and method of manufacturing same
    • Patent number 10,752,969
    • Issue date Aug 25, 2020
    • Nippon Steel Corporation
    • Manabu Kubota
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Steel bar
    • Patent number 10,131,965
    • Issue date Nov 20, 2018
    • Nippon Steel & Sumitomo Metal Corporation
    • Atsushi Monden
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

  • Information Patent Application

    STEEL FOR SUSPENSION SPRING AND METHOD OF MANUFACTURING SAME
    • Publication number 20180265940
    • Publication date Sep 20, 2018
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Manabu KUBOTA
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    STEEL BAR
    • Publication number 20160273067
    • Publication date Sep 22, 2016
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Atsushi MONDEN
    • C21 - METALLURGY OF IRON