TREA

Yasushi Soya

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Patents Grantslast 30 patents

  • Information Patent Grant

    Brushless DC motor
    • Patent number 6,166,470
    • Issue date Dec 26, 2000
    • Seiko Epson Corporation
    • Hiroshi Miyazawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Brushless DC motor
    • Patent number 5,952,760
    • Issue date Sep 14, 1999
    • Seiko Epson Corporation
    • Hiroshi Miyazawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Brushless DC motor
    • Patent number 5,808,390
    • Issue date Sep 15, 1998
    • Seiko Epson Corporation
    • Hiroshi Miyazawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER