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Hidehiko Tsukamoto

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  • Saeki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of forming asymmetrical articles by rolling
    • Patent number 5,060,497
    • Issue date Oct 29, 1991
    • Nissan Motor Co., Ltd.
    • Ryoichi Takahashi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for forming asymmetrical articles by rolling
    • Patent number 4,811,585
    • Issue date Mar 14, 1989
    • Nissan Motor Co., Ltd.
    • Ryoichi Takahashi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming hollow parts
    • Patent number 4,722,211
    • Issue date Feb 2, 1988
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Hidehiko Tsukamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for grinding a rotary body
    • Patent number 4,716,687
    • Issue date Jan 5, 1988
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Hidehiko Tsukamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of controlling an edging opening in a rolling mill
    • Patent number 4,672,830
    • Issue date Jun 16, 1987
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Hidehiko Tsukamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • 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...