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Nobuya Nakajima

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas-insulated switchgear
    • Patent number 7,903,394
    • Issue date Mar 8, 2011
    • Mitsubishi Electric Corporation
    • Hitoshi Sadakuni
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switchgear operating apparatuses
    • Patent number 6,610,949
    • Issue date Aug 26, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Tomohito Mori
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Control device for make break switch
    • Patent number 6,563,067
    • Issue date May 13, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Kyouichi Ohtsuka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Insulation-operating rod
    • Patent number 6,521,839
    • Issue date Feb 18, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Ken Komatsu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Driving force storing device for a switch operating mechanism
    • Patent number 6,444,934
    • Issue date Sep 3, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsuyoshi Imura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Control device for breaker
    • Patent number 6,348,847
    • Issue date Feb 19, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Nobuya Nakajima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Device for controlling a breaker
    • Patent number 6,316,739
    • Issue date Nov 13, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Kyouichi Ohtsuka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch control device
    • Patent number 6,232,569
    • Issue date May 15, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Nobuya Nakajima
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas circuit breaker
    • Patent number 5,387,773
    • Issue date Feb 7, 1995
    • Mitsubishi Denki Kabushiki Kaisha
    • Nobuya Nakajima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Gas-Insulated Switchgear
    • Publication number 20090268379
    • Publication date Oct 29, 2009
    • MITSUBISHI ELECTRIC CORPORATION
    • Hitoshi Sadakuni
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Switchgear operating apparatuses
    • Publication number 20030034242
    • Publication date Feb 20, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Tomohito Mori
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DRIVING FORCE STORING DEVICE FOR A SWITCH OPERATING MECHANISM
    • Publication number 20020100675
    • Publication date Aug 1, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsuyoshi Imura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Control device for make break switch
    • Publication number 20020056631
    • Publication date May 16, 2002
    • Kyouichi Ohtsuka
    • H01 - BASIC ELECTRIC ELEMENTS