TREA

Kunio Matsuzawa

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  • Sagamihara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Transformer protection system
    • Patent number 4,772,978
    • Issue date Sep 20, 1988
    • Hitachi, Ltd.
    • Yoshifumi Oura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Setting device for protective control system
    • Patent number 4,419,737
    • Issue date Dec 6, 1983
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Mitsuru Yamaura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Digital distance relays
    • Patent number 4,357,666
    • Issue date Nov 2, 1982
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Tetsuo Matsushima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Apparatus and method for protection of electric power transmission...
    • Patent number 4,328,551
    • Issue date May 4, 1982
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Mitsuru Yamaura
    • G06 - COMPUTING CALCULATING COUNTING