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Shigeaki Oyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Induction motor
    • Patent number 4,745,320
    • Issue date May 17, 1988
    • Fujitsu Fanuc Limited
    • Shigeaki Oyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor-incorporated spindle head unit
    • Patent number 4,580,471
    • Issue date Apr 8, 1986
    • Fanuc Limited
    • Shigeaki Oyama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welded stator using non-magnetic bars in specially shaped laminatio...
    • Patent number 4,485,320
    • Issue date Nov 27, 1984
    • Fanuc Ltd.
    • Shigeki Kawada
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Device for cooling a reversible motor
    • Patent number 4,465,948
    • Issue date Aug 14, 1984
    • Fujitsu Fanuc Limited
    • Shigeaki Oyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Direct current motor
    • Patent number 4,439,703
    • Issue date Mar 27, 1984
    • Fujitsu Fanuc Limited
    • Yoshinori Kohzai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotary electric motor
    • Patent number 4,406,959
    • Issue date Sep 27, 1983
    • Fujitsu Fanuc Limited
    • Keiichi Harano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Direct current motor having E-shaped interpoles
    • Patent number 4,374,337
    • Issue date Feb 15, 1983
    • Fujitsu Fanuc Limited
    • Yoshinori Kohzai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Direct current motor having E-shaped interpoles
    • Patent number 4,338,535
    • Issue date Jul 6, 1982
    • Fujitsu Fanuc Limited
    • Yoshinori Kohzai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Direct current motor having E-shaped interpoles
    • Patent number 4,307,312
    • Issue date Dec 22, 1981
    • Fujitsu Fanuc Limited
    • Yoshinori Kohzai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC Motor drive system
    • Patent number 4,268,781
    • Issue date May 19, 1981
    • Fujitsu Fanuc Limited
    • Shigeki Kawada
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotary electric machine with a heat pipe for cooling
    • Patent number 4,240,000
    • Issue date Dec 16, 1980
    • Fujitsu Fanuc Limited
    • Keiichi Harano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Direct current motor
    • Patent number 4,220,882
    • Issue date Sep 2, 1980
    • Fujitsu Fanuc Limited
    • Yoshinori Kohzai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Direct current motor
    • Patent number 4,217,513
    • Issue date Aug 12, 1980
    • Fujitsu Fanuc Limited
    • Yoshinori Kohzai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Drive circuit for a DC motor
    • Patent number 4,181,875
    • Issue date Jan 1, 1980
    • Fujitsu Fanuc Limited
    • Yoshinori Kohzai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor with selectable speed clutch
    • Patent number 4,170,276
    • Issue date Oct 9, 1979
    • Fujitsu Fanuc Limited
    • Yoshihiro Hashimoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Machine tool
    • Patent number 4,133,230
    • Issue date Jan 9, 1979
    • Fujitsu Fanuc Limited
    • Seiuemon Inaba
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR