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Masayuki Okada

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotor of rotating electrical machine
    • Patent number 8,421,318
    • Issue date Apr 16, 2013
    • Hitachi Mitsubishi Hydro Corporation
    • Takeshi Kuwahara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRIC ROTATING MACHINE
    • Publication number 20120229144
    • Publication date Sep 13, 2012
    • Hitachi, Ltd.
    • Akihito NAKAHARA
    • G01 - MEASURING TESTING
  • Information Patent Application

    ROTOR OF ROTATING ELECTRICAL MACHINE
    • Publication number 20110278994
    • Publication date Nov 17, 2011
    • Hitachi, Ltd.
    • Takeshi KUWAHARA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER