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Naoto FUJIYAMA

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  • Tokyo, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    LONGITUDINAL SEAM WELDED STEEL PIPE
    • Publication number 20200032931
    • Publication date Jan 30, 2020
    • NIPPON STEEL CORPORATION
    • Naoto FUJIYAMA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LONGITUDINAL SEAM WELDED STEEL PIPE
    • Publication number 20190381593
    • Publication date Dec 19, 2019
    • NIPPON STEEL CORPORATION
    • Naoto FUJIYAMA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR