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Kazuo Hiraoka

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Welding wire and welding method
    • Patent number 9,643,284
    • Issue date May 9, 2017
    • National Institute for Materials Science
    • Terumi Nakamura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welding material and a method of producing welded joint
    • Patent number 7,325,717
    • Issue date Feb 5, 2008
    • National Institute for Materials Science
    • Yasushi Morikage
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Consumable electrode gas shielded arc welding method and apparatus
    • Patent number 6,653,594
    • Issue date Nov 25, 2003
    • Japan as Represented by Director General of Ministry of Education, Culture, S...
    • Terumi Nakamura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Arc welding method
    • Patent number 6,297,473
    • Issue date Oct 2, 2001
    • Japan as represented by Director General of National Research Institute for M...
    • Kazuo Hiraoka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents