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Chiaki Umemura

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  • Kariya-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Driving control device of a motor
    • Patent number 6,841,966
    • Issue date Jan 11, 2005
    • Aisin Seiki Kabushiki Kaisha
    • Chiaki Umemura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Energization control system for switched reluctance motor
    • Patent number 5,796,226
    • Issue date Aug 18, 1998
    • Aisin Seiki Kabushiki Kaisha
    • Akemi Ookawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Method of interpolating output from sensor
    • Patent number 5,783,925
    • Issue date Jul 21, 1998
    • Aisin Seiki Kabushiki Kaisha
    • Chiaki Umemura
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Controller for switched reluctance motor
    • Patent number 5,589,752
    • Issue date Dec 31, 1996
    • Aisin Seiki Kabushiki Kaisha
    • Shinichiro Iwasaki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Controller for switched reluctance motor
    • Patent number 5,532,567
    • Issue date Jul 2, 1996
    • Aisin Seiki Kabushiki Kaisha
    • Shinichiro Iwasaki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Ultrasonic motor
    • Patent number 5,107,163
    • Issue date Apr 21, 1992
    • Aisin Seiki Kabushiki Kaisha
    • Chiaki Umemura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Ultrasonic motor
    • Patent number 5,055,732
    • Issue date Oct 8, 1991
    • Aisin Seiki Kabushiki Kaisha
    • Chiaki Umemura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Driving control device of a motor
    • Publication number 20020149338
    • Publication date Oct 17, 2002
    • Aisin Seiki Kabushiki Kaisha
    • Chiaki Umemura
    • B60 - VEHICLES IN GENERAL