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Koichi Ohba

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  • Hyogo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dimension control device for continuous rolling machine
    • Patent number 4,845,969
    • Issue date Jul 11, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Shuhei Niino
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Control device for continuous rolling machine
    • Patent number 4,583,384
    • Issue date Apr 22, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Shuhei Niino
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Control device for continuous rolling machine
    • Patent number 4,557,126
    • Issue date Dec 10, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Shuhei Niino
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Control device for successive rolling mill
    • Patent number 4,537,051
    • Issue date Aug 27, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Shuhei Niino
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Control device for continuous rolling machine
    • Patent number 4,520,642
    • Issue date Jun 4, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Shuheu Niino
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Control method for multi-strand rolling mill
    • Patent number 4,457,154
    • Issue date Jul 3, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Koichi Ohba
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of controlling a shape of a rolled sheet
    • Patent number 4,199,967
    • Issue date Apr 29, 1980
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinichi Ikemi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...