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Masafumi Yamakami

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  • Fujisawa-shi, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    FLUX CORED WIRE FOR GAS SHIELD ARC WELDING AND WELDING METAL
    • Publication number 20190210164
    • Publication date Jul 11, 2019
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Hidenori NAKO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    FLUX CORED WIRE FOR GAS SHIELD ARC WELDING AND WELDING METAL
    • Publication number 20190210165
    • Publication date Jul 11, 2019
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Hidenori NAKO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    FLUX-CORED WIRE FOR GAS-SHIELDED ARC WELDING
    • Publication number 20180339370
    • Publication date Nov 29, 2018
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Masafumi YAMAKAMI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    FLUX-CORED WIRE FOR GAS-SHIELDED ARC WELDING
    • Publication number 20180326544
    • Publication date Nov 15, 2018
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Masafumi YAMAKAMI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WIRE CONTAINING FLUX FOR GAS SHIELD ARC WELDING
    • Publication number 20170297148
    • Publication date Oct 19, 2017
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Masafumi YAMAKAMI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WELDING SOLID WIRE AND WELD METAL
    • Publication number 20130270246
    • Publication date Oct 17, 2013
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Yoshitomi Okazaki
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...