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Masayuki Sukekawa

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  • Kitaibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    High-strength austenitic steel
    • Patent number 4,581,067
    • Issue date Apr 8, 1986
    • Hitachi, Ltd.
    • Katsumi Iijima
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Boiler tube
    • Patent number 4,505,232
    • Issue date Mar 19, 1985
    • Hitachi, Ltd.
    • Kenichi Usami
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Heat-resistant and corrosion-resistant weld metal alloy and welded...
    • Patent number 4,443,406
    • Issue date Apr 17, 1984
    • Hitachi, Ltd.
    • Masayuki Sukekawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR