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Shinji Yamagata

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Patents Grantslast 30 patents

  • Information Patent Grant

    Circuit breaker
    • Patent number 6,573,815
    • Issue date Jun 3, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsuru Tsukima
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Current limiting device and circuit interrupter having a current li...
    • Patent number 6,373,014
    • Issue date Apr 16, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Takao Mitsuhashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic and inorganic complex compound and switch using same
    • Patent number 6,361,848
    • Issue date Mar 26, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Shunichi Katsube
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Switch and arc extinguishing material for use therein
    • Patent number 5,990,440
    • Issue date Nov 23, 1999
    • Mitsubishi Denki Kabushiki Kaisha
    • Shoji Yamaguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch and arc extinguishing material for use therein
    • Patent number 5,841,088
    • Issue date Nov 24, 1998
    • Mitsubishi Denki Kabushiki Kaisha
    • Shoji Yamaguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch including a moving element, a repelling element and a conductor
    • Patent number 5,596,184
    • Issue date Jan 21, 1997
    • Mitsubishi Denki Kabushiki Kaisha
    • Takao Mitsuhashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High voltage switch including U-shaped, slitted stationary contact...
    • Patent number 5,583,328
    • Issue date Dec 10, 1996
    • Mitsubishi Denki Kabushiki Kaisha
    • Takao Mitsuhashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker for distribution
    • Patent number D367265
    • Issue date Feb 20, 1996
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinji Yamagata
    • D13 - Equipment for production, distribution, or transformation of energy
  • 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

    Current limiting circuit breaker
    • Patent number 5,159,304
    • Issue date Oct 27, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinji Yamagata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 5,122,625
    • Issue date Jun 16, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Yoshiaki Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Combined circuit breaker and current limiting attachment
    • Patent number D325727
    • Issue date Apr 28, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Shiro Murata
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Circuit protector
    • Patent number D325725
    • Issue date Apr 28, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinji Yamagata
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Circuit protector
    • Patent number D325726
    • Issue date Apr 28, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinji Yamagata
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Current limiting attachment for a circuit breaker
    • Patent number D325568
    • Issue date Apr 21, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Shiro Murata
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Current limiting apparatus
    • Patent number 5,073,764
    • Issue date Dec 17, 1991
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsugu Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit Breaker
    • Patent number 4,885,441
    • Issue date Dec 5, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Fumiyuki Hisatsune
    • 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 4,749,829
    • Issue date Jun 7, 1988
    • Mitsubishi Denki Kabushiki Kaisha
    • Tatsunori Ikeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,695,814
    • Issue date Sep 22, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Matsumoto Yoshiaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,575,598
    • Issue date Mar 11, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinji Yamagata
    • 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
  • Information Patent Grant

    Circuit breaker with arc light absorber
    • Patent number 4,521,653
    • Issue date Jun 4, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Hajimu Yoshiyasu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker with arc light absorber
    • Patent number 4,516,002
    • Issue date May 7, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Shirou Murata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker with arc light absorber
    • Patent number 4,516,003
    • Issue date May 7, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Hajimu Yoshiyasu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,464,642
    • Issue date Aug 7, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinji Yamagata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,459,445
    • Issue date Jul 10, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Fumiyuki Hisatsune
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,454,395
    • Issue date Jun 12, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinji Yamagata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker with arc restricting device
    • Patent number 4,453,053
    • Issue date Jun 5, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinji Yamagata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,451,718
    • Issue date May 29, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinji Yamagata
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents