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Naoki Amano

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Puffer type gas-insulated circuit breaker
    • Patent number 5,231,256
    • Issue date Jul 27, 1993
    • Hitachi, Ltd.
    • Tokio Yamagiwa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas-insulated switching device
    • Patent number 5,140,499
    • Issue date Aug 18, 1992
    • Hitachi, Ltd.
    • Naoki Amano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gas-insulated switchgear apparatus
    • Patent number 4,658,329
    • Issue date Apr 14, 1987
    • Hitachi, Ltd.
    • Yukio Kamura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gas-insulated switchgear apparatus
    • Patent number 4,638,403
    • Issue date Jan 20, 1987
    • Hitachi, Ltd.
    • Naoki Amano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gas insulated switchgear equipment
    • Patent number 4,503,481
    • Issue date Mar 5, 1985
    • Hitachi, Ltd.
    • Sigeru Fujiya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER