TREA

Yukio Hiasa

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  • Hiroshima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and machine for rolling a metal workpiece at a reduced rolli...
    • Patent number 5,105,638
    • Issue date Apr 21, 1992
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Yoshiki Mito
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Drum shear
    • Patent number 4,399,727
    • Issue date Aug 23, 1983
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Shunji Omori
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for roll-forming an end plate
    • Patent number 4,170,889
    • Issue date Oct 16, 1979
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Tateo Tanimoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...