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Hironori Tonosaki

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum Switchgear
    • Patent number 7,223,932
    • Issue date May 29, 2007
    • Hitachi, Ltd.
    • Masato Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum switchgear
    • Patent number 7,135,652
    • Issue date Nov 14, 2006
    • Hitachi, Ltd.
    • Masato Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Operation Device, Vacuum Opening/Closing Device, and Method for Ass...
    • Publication number 20150198260
    • Publication date Jul 16, 2015
    • Hitachi, Ltd
    • Takamitsu Hae
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SWITCHGEAR
    • Publication number 20100089874
    • Publication date Apr 15, 2010
    • Hitachi, Ltd.
    • Ayumu MORITA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Vacuum Switchgear
    • Publication number 20060237394
    • Publication date Oct 26, 2006
    • Hitachi, Ltd.
    • Masato Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Vacuum switchgear
    • Publication number 20040232112
    • Publication date Nov 25, 2004
    • Masato Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS