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Keiichiro Oka

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  • Chiyoda-ku, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotating electrical machine armature
    • Patent number 9,608,489
    • Issue date Mar 28, 2017
    • Mitsubishi Electric Corporation
    • Keiichiro Oka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Stator for electrical rotating machine
    • Patent number 8,981,614
    • Issue date Mar 17, 2015
    • Mitsubishi Electric Corporation
    • Keiichiro Oka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Armature of electric motor
    • Patent number 8,487,501
    • Issue date Jul 16, 2013
    • Mitsubishi Electric Corporation
    • Keiichiro Oka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Dynamoelectric machine
    • Patent number 7,345,387
    • Issue date Mar 18, 2008
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroyuki Akita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    CONDUCTOR WIRE, ELECTRIC MOTOR, AND ELECTRIC MOTOR MANUFACTURING ME...
    • Publication number 20160380500
    • Publication date Dec 29, 2016
    • Mitsubishi Electric corporation
    • Keiichiro OKA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ROTOR FOR ROTATING ELECTRIC MACHINE, ROTATING ELECTRIC MACHINE, AND...
    • Publication number 20150028710
    • Publication date Jan 29, 2015
    • MITSUBISHI ELECTRIC CORPORATION
    • Keiichiro Oka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ROTATING ELECTRICAL MACHINE ARMATURE
    • Publication number 20150022048
    • Publication date Jan 22, 2015
    • MITSUBISHI ELECTRIC CORPORATION
    • Keiichiro Oka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    STATOR FOR ELECTRICAL ROTATING MACHINE
    • Publication number 20120080976
    • Publication date Apr 5, 2012
    • MITSUBISHI ELECTRIC CORPORATION
    • Keiichiro Oka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ARMATURE OF ELECTRIC MOTOR
    • Publication number 20110273053
    • Publication date Nov 10, 2011
    • MITSUBISHI ELECTRIC CORPORATION
    • Keiichiro Oka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Rotating electric machine
    • Publication number 20060261688
    • Publication date Nov 23, 2006
    • Hiroyuki Akita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER