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MASASHI FUJIWARA

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Arc welding method and arc welding device
    • Patent number 12,036,629
    • Issue date Jul 16, 2024
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Atsuhiro Kawamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Arc welding method and arc welding device
    • Patent number 10,807,180
    • Issue date Oct 20, 2020
    • Panasonic Intelletual Property Management Co., Ltd.
    • Atsuhiro Kawamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    ARC WELDING METHOD AND ARC WELDING DEVICE
    • Publication number 20200406385
    • Publication date Dec 31, 2020
    • Panasonic Intellectual Property Management Co., Ltd.
    • ATSUHIRO KAWAMOTO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ARC WELDING METHOD AND ARC WELDING DEVICE
    • Publication number 20180207739
    • Publication date Jul 26, 2018
    • Panasonic Intellectual Property Management Co., Ltd.
    • ATSUHIRO KAWAMOTO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR