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Fumio Andow

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Patents Grantslast 30 patents

  • Information Patent Grant

    Protective relay system provided with difference and addition filters
    • Patent number 5,796,630
    • Issue date Aug 18, 1998
    • Kabushiki Kaisha Toshiba
    • Takafumi Maeda
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Digital calculation type differential relay
    • Patent number 4,825,326
    • Issue date Apr 25, 1989
    • Kabushiki Kaisha Toshiba
    • Fumio Andow
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Information data output device for electric-power systems
    • Patent number 4,803,635
    • Issue date Feb 7, 1989
    • Kabushi Kaisha Toshiba
    • Fumio Andow
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Protective control method and apparatus
    • Patent number 4,774,621
    • Issue date Sep 27, 1988
    • Kabushiki Kaisha Toshiba
    • Fumio Andow
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Protective relaying system
    • Patent number 4,561,120
    • Issue date Dec 24, 1985
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Fumio Andow
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Protective relay system
    • Patent number 4,541,058
    • Issue date Sep 10, 1985
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Fumio Andow
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Protective relaying system
    • Patent number 4,511,981
    • Issue date Apr 16, 1985
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Fumio Andow
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Protective relaying system
    • Patent number 4,507,700
    • Issue date Mar 26, 1985
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Fumio Andow
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Reclosing device for transmission line
    • Patent number 4,484,246
    • Issue date Nov 20, 1984
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Fumio Andow
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Digital protective relaying systems
    • Patent number 4,371,908
    • Issue date Feb 1, 1983
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Fumio Andow
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Relay device
    • Patent number 4,370,571
    • Issue date Jan 25, 1983
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Fumio Andow
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Monitor system for a digital signal
    • Patent number 4,309,767
    • Issue date Jan 5, 1982
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Fumio Andow
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Distance relaying systems
    • Patent number 4,212,046
    • Issue date Jul 8, 1980
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Fumio Andow
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER