TREA

Takumi Ishikawa

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switchgear
    • Patent number 8,189,325
    • Issue date May 29, 2012
    • Hitachi, Ltd.
    • Takuya Kurogi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Solid insulated bus switchgear
    • Patent number 8,045,322
    • Issue date Oct 25, 2011
    • Hitachi, Ltd.
    • Takuya Kurogi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Earthing equipment for switchgear
    • Patent number 7,983,023
    • Issue date Jul 19, 2011
    • Hitachi, Ltd.
    • Kenichi Shoda
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    EARTHING EQUIPMENT FOR SWITCHGEAR
    • Publication number 20100208416
    • Publication date Aug 19, 2010
    • Hitachi, Ltd
    • Kenichi SHODA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SOLID INSULATED BUS SWITCHGEAR
    • Publication number 20100002363
    • Publication date Jan 7, 2010
    • Hitachi, Ltd.
    • Takuya KUROGI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHGEAR
    • Publication number 20090159569
    • Publication date Jun 25, 2009
    • Takuya KUROGI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER