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Hiroshi Fujii

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  • Fukuyama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circuit breaker
    • Patent number 5,457,295
    • Issue date Oct 10, 1995
    • Mitsubishi Denki Kabushiki Kaisha
    • Toshiyuki Tanibe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Residual current operated circuit-breaker
    • Patent number D334174
    • Issue date Mar 23, 1993
    • Mitsubishi Denki Kabushiki Kaisha
    • Setsuo Hosogai
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Circuit breaker
    • Patent number RE33400
    • Issue date Oct 23, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Fujii
    • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • Information Patent Grant

    Multi-pole circuit interrupter
    • Patent number 4,882,556
    • Issue date Nov 21, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Fujii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multi-phase circuit breaker employing arc extinguishing apparatus
    • Patent number 4,866,226
    • Issue date Sep 12, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Fumiyuki Hisatsune
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,808,953
    • Issue date Feb 28, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Tsukasa Iio
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit interrupter
    • Patent number 4,799,037
    • Issue date Jan 17, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Tsukasa Iio
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit interrupter with two stage stopper preventing bounce back
    • Patent number 4,786,771
    • Issue date Nov 22, 1988
    • Mitsubishi Denki Kabushiki Kaisha
    • Tsukasa Iio
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit interrupter
    • Patent number 4,771,140
    • Issue date Sep 13, 1988
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Fujii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit interrupter
    • Patent number 4,743,878
    • Issue date May 10, 1988
    • Mitsubishi Denki Kabushiki Kaisha
    • Hirotoshi Ohishi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker with arc shielded contact arm
    • Patent number 4,716,265
    • Issue date Dec 29, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Fujii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit interrupter
    • Patent number 4,641,001
    • Issue date Feb 3, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroaki Fujihisa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit interrupter
    • Patent number 4,628,288
    • Issue date Dec 9, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroaki Fujihisa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit interrupter
    • Patent number 4,609,799
    • Issue date Sep 2, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Hirotoshi Ohishi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,595,895
    • Issue date Jun 17, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Fujii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit interrupter
    • Patent number 4,567,455
    • Issue date Jan 28, 1986
    • Mitsubishi Denki K.K.
    • Setsuo Hosogai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit interrupter
    • Patent number 4,559,423
    • Issue date Dec 17, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinji Yamagata
    • H01 - BASIC ELECTRIC ELEMENTS