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Keiichiro Okawa

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  • Hitachinaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric storage device
    • Patent number 9,293,937
    • Issue date Mar 22, 2016
    • Hitachi Automotive Systems, Ltd.
    • Youhei Kawahara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRIC STORAGE DEVICE
    • Publication number 20140042973
    • Publication date Feb 13, 2014
    • HITACHI VEHICLE ENERGY, LTD.
    • Youhei Kawahara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER