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Isao Nishida

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrical power supply system
    • Patent number 5,473,494
    • Issue date Dec 5, 1995
    • Hitachi, Ltd.
    • Yukio Kurosawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Circuit breaker with parallel resistor
    • Patent number 5,391,930
    • Issue date Feb 21, 1995
    • Hitachi, Ltd.
    • Youichi Ohshita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas circuit breaker
    • Patent number 5,298,703
    • Issue date Mar 29, 1994
    • Hitachi, Ltd.
    • Hirohiko Yatsuzuka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 5,039,831
    • Issue date Aug 13, 1991
    • Hitachi, Ltd.
    • Minori Sato
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gas-insulated switchgear equipment
    • Patent number 4,570,202
    • Issue date Feb 11, 1986
    • Hitachi, Ltd.
    • Isao Nishida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER