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Hiroshi Kumatani

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Position detecting device
    • Patent number 5,176,085
    • Issue date Jan 5, 1993
    • Mitsubishi Denki K.K.
    • Masayoshi Hara
    • D05 - SEWING EMBROIDERING TUFTING
  • Information Patent Grant

    Controller for a sewing machine
    • Patent number D322442
    • Issue date Dec 17, 1991
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Kumatani
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Controller for a sewing machine
    • Patent number D321891
    • Issue date Nov 26, 1991
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Kumatani
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Controller for a sewing machine
    • Patent number D321696
    • Issue date Nov 19, 1991
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Kumatani
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Controller for a sewing machine
    • Patent number D321519
    • Issue date Nov 12, 1991
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Kumatani
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Electric motor with hinged mounting bracket
    • Patent number D310816
    • Issue date Sep 25, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Tatsuya Sawato
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Electric sewing machine motor
    • Patent number D306030
    • Issue date Feb 13, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Tatsuya Sawato
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Flywheel device
    • Patent number 4,819,502
    • Issue date Apr 11, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Toshio Nakajima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sewing machine control device
    • Patent number 4,738,211
    • Issue date Apr 19, 1988
    • Mitsubishi Denki Kabushiki Kaisha
    • Takashi Nakamura
    • D05 - SEWING EMBROIDERING TUFTING
  • Information Patent Grant

    Lever mechanism in combination with a sewing machine driving device
    • Patent number 4,691,588
    • Issue date Sep 8, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Kumatani
    • D05 - SEWING EMBROIDERING TUFTING
  • Information Patent Grant

    Low inertia, speed variable induction motor
    • Patent number 4,689,509
    • Issue date Aug 25, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Kumatani
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electromagnetic clutch/brake device
    • Patent number 4,570,767
    • Issue date Feb 18, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Kumatani
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Low inertia, speed variable induction motor
    • Patent number 4,562,367
    • Issue date Dec 31, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Kumatani
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Movable disc for electromagnetic clutch/brake
    • Patent number 4,557,360
    • Issue date Dec 10, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Kumatani
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Low inertia induction motor
    • Patent number 4,554,472
    • Issue date Nov 19, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Kumatani
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Low inertial variable speed induction motor
    • Patent number 4,491,753
    • Issue date Jan 1, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Kumatani
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electromagnetic coupling device
    • Patent number 4,410,819
    • Issue date Oct 18, 1983
    • Takanori Kobayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER