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Tuneo Kishi

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • 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

    Three-phase combined type circuit breaker
    • Patent number 4,417,111
    • Issue date Nov 22, 1983
    • Hitachi, Ltd.
    • Tuneo Kishi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Tank type gas circuit breaker
    • Patent number 4,315,119
    • Issue date Feb 9, 1982
    • Hitachi, Ltd.
    • Tuneo Kishi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas blast circuit breaker
    • Patent number 4,307,273
    • Issue date Dec 22, 1981
    • Hitachi, Ltd.
    • Koji Sasaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Puffer type gas circuit breaker
    • Patent number 4,293,749
    • Issue date Oct 6, 1981
    • Hitachi, Ltd.
    • Tuneo Kishi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas-insulated switchgear apparatus
    • Patent number 4,215,256
    • Issue date Jul 29, 1980
    • Hitachi, Ltd.
    • Minoru Sakaguchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER