Hiromasa Hirata

Person

  • Yokohama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Device for wrapping strip partly around working rolls of rolling-mi...

    • Patent number 4,300,377
    • Issue date Nov 17, 1981
    • Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    • Hiromasa Hirata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • 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...
  • Information Patent Grant

    Installation for production of continuously cold rolled sheet metal...

    • Patent number 4,188,812
    • Issue date Feb 19, 1980
    • Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    • Susumu Nomura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...