TREA

Yasuhiro Omura

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  • Tokai, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical descaling device
    • Patent number 4,269,052
    • Issue date May 26, 1981
    • Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    • Isao Imai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for descaling metal strip
    • Patent number 4,251,956
    • Issue date Feb 24, 1981
    • Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    • Hiromasa Hirata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...