TREA

Takayoshi Ishikawa

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  • Fukuyama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety shutter device for drawout type switch gear
    • Patent number 5,343,355
    • Issue date Aug 30, 1994
    • Mitsubishi Denki Kabushiki Kaisha
    • Takayoshi Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Drawout type switch gear
    • Patent number 5,337,210
    • Issue date Aug 9, 1994
    • Mitsubishi Denki Kabushiki Kaisha
    • Takayoshi Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Suspension apparatus
    • Patent number 5,324,088
    • Issue date Jun 28, 1994
    • Mitsubishi Denki Kabushiki Kaisha
    • Tsukasa Iio
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Air circuit breaker
    • Patent number D347623
    • Issue date Jun 7, 1994
    • Mitsubishi Denki Kabushiki Kaisha
    • Masakatsu Suzuki
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Drawout type switchgear including lock member to allow circuit brea...
    • Patent number 5,309,317
    • Issue date May 3, 1994
    • Mitsubishi Denki Kabushiki Kaisha
    • Takayoshi Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Terminal connecting device for pulling-type breaker
    • Patent number 4,655,538
    • Issue date Apr 7, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Kiyoshi Eguchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Air circuit breaker
    • Patent number 4,497,992
    • Issue date Feb 5, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Toshihiko Kodera
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Drawer-type circuit breaker
    • Patent number 4,486,814
    • Issue date Dec 4, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Takayoshi Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Air circuit breaker
    • Patent number 4,475,021
    • Issue date Oct 2, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Yoshinori Mochizuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Terminal assembly for circuit interrupter
    • Patent number 4,468,081
    • Issue date Aug 28, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Yasushi Genba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Terminal assembly for circuit interrupter
    • Patent number 4,468,082
    • Issue date Aug 28, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Shigemi Tamaru
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Air circuit breaker
    • Patent number 4,468,533
    • Issue date Aug 28, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Toshihiko Kodera
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Arc-suppressing apparatus for circuit breaker
    • Patent number 4,446,347
    • Issue date May 1, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Kiyoshi Eguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Drawer-type circuit breaker
    • Patent number 4,412,112
    • Issue date Oct 25, 1983
    • Mitsubishi Denki Kabushiki Kaisha
    • Takayoshi Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER