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Masaaki SEKIYA

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lithium-ion secondary battery and method of manufacturing the same
    • Patent number 10,340,527
    • Issue date Jul 2, 2019
    • Hitachi Chemical Company, Ltd.
    • Yoshiki Hama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical storage device
    • Patent number 10,186,692
    • Issue date Jan 22, 2019
    • Hitachi Chemical Company, Ltd.
    • Masaaki Sekiya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Capacitor
    • Patent number 9,911,543
    • Issue date Mar 6, 2018
    • Hitachi Chemical Company, Ltd.
    • Atsushi Sakurai
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    LITHIUM-ION SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20180083288
    • Publication date Mar 22, 2018
    • Hitachi Chemical Company, Ltd.
    • Yoshiki HAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRICAL STORAGE DEVICE
    • Publication number 20160343997
    • Publication date Nov 24, 2016
    • Hitachi Chemical Company, Ltd.
    • Masaaki SEKIYA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CAPACITOR
    • Publication number 20160343518
    • Publication date Nov 24, 2016
    • Hitachi Chemical Company, Ltd.
    • Atsushi SAKURAI
    • H01 - BASIC ELECTRIC ELEMENTS