TREA

Kiyokazu Okamoto

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vector control apparatus for induction motor
    • Patent number 5,206,574
    • Issue date Apr 27, 1993
    • NEC Corporation
    • Kiyokazu Okamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Induction motor
    • Patent number 4,871,934
    • Issue date Oct 3, 1989
    • NEC Corporation
    • Kiyokazu Okamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Three-phase induction motor
    • Patent number 4,868,438
    • Issue date Sep 19, 1989
    • NEC Corporation
    • Kiyokazu Okamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motion control apparatus for induction motor
    • Patent number 4,855,661
    • Issue date Aug 8, 1989
    • NEC Corporation
    • Kiyokazu Okamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Acceleration/deceleration control apparatus using slip speed
    • Patent number 4,818,927
    • Issue date Apr 4, 1989
    • Nippon Electric Industry Co., Ltd.
    • Kiyoshi Hino
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Induction motor control apparatus
    • Patent number 4,814,683
    • Issue date Mar 21, 1989
    • NEC Corporation
    • Kiyokazu Okamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Three-phase induction motor
    • Patent number 4,755,702
    • Issue date Jul 5, 1988
    • NEC Corporation
    • Hiroshi Iijima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor control apparatus
    • Patent number 4,413,212
    • Issue date Nov 1, 1983
    • Nippon Electric Co., Ltd.
    • Kiyokazu Okamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER