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Kazuhiro Ishii

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  • Fukuyama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circuit breaker
    • Patent number 5,650,907
    • Issue date Jul 22, 1997
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switch with pre-alarm means
    • Patent number 5,283,553
    • Issue date Feb 1, 1994
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electronic trip relay
    • Patent number D335488
    • Issue date May 11, 1993
    • Mitsubishi Denki Kabushiki Kaisha
    • Masakatsu Suzuki
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Circuit breaker with detachable tripping tester
    • Patent number 5,173,833
    • Issue date Dec 22, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Kouji Hirotsune
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Four-pole circuit breaker
    • Patent number 5,170,309
    • Issue date Dec 8, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Overcurrent protection apparatus
    • Patent number 5,124,875
    • Issue date Jun 23, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Prealarm circuit breaker
    • Patent number 5,086,366
    • Issue date Feb 4, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Circuit breaker
    • Patent number 5,086,367
    • Issue date Feb 4, 1992
    • Mitsubishi Denki K.K.
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switch with pre-alarms means
    • Patent number 5,077,629
    • Issue date Dec 31, 1991
    • Misubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Trip control apparatus of circuit breaker
    • Patent number 4,901,184
    • Issue date Feb 13, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,873,603
    • Issue date Oct 10, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,866,558
    • Issue date Sep 12, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Circuit breaker with overcurrent protection
    • Patent number 4,862,312
    • Issue date Aug 29, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Current sensing device
    • Patent number 4,860,153
    • Issue date Aug 22, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Circuit breaker including selectively operable long-time-delay trip...
    • Patent number 4,858,058
    • Issue date Aug 15, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,849,848
    • Issue date Jul 18, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,847,725
    • Issue date Jul 11, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Circuit interrupter
    • Patent number 4,754,246
    • Issue date Jun 28, 1988
    • Mitsubishi Denki Kabushiki Kaisha
    • Haruhisa Toda
    • H01 - BASIC ELECTRIC ELEMENTS