TREA

Shoji Tanabe

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Patents Grantslast 30 patents

  • Information Patent Grant

    Permanent magnet rotor
    • Patent number 4,403,161
    • Issue date Sep 6, 1983
    • Hitachi, Ltd.
    • Kunio Miyashita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotor core of electric rotary machine
    • Patent number 4,400,639
    • Issue date Aug 23, 1983
    • Hitachi, Ltd.
    • Junichi Kobayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotor of synchronous machines
    • Patent number 4,250,424
    • Issue date Feb 10, 1981
    • Hitachi, Ltd.
    • Hiroshi Sento
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Stress protection for permanent magnet type synchronous motor
    • Patent number 4,144,469
    • Issue date Mar 13, 1979
    • Hitachi, Ltd.
    • Kunio Miyashita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER