TREA

Nobuyuki Maruyama

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  • Amagasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    High-strength, heat-resistant steel with improved formability and m...
    • Patent number 5,021,215
    • Issue date Jun 4, 1991
    • Sumitomo Metal Industries, Ltd.
    • Yoshiatsu Sawaragi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Sheath heater
    • Patent number 4,950,873
    • Issue date Aug 21, 1990
    • Sumitomo Metal Industries, Ltd.
    • Yoshiaki Shida
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Sheath heater
    • Patent number 4,742,324
    • Issue date May 3, 1988
    • Sumitomo Metal Industries Ltd.
    • Yoshiaki Shida
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...