TREA

Michiyuki Masuda

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  • Nagoya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ultrasonic driven type motor
    • Patent number 4,885,499
    • Issue date Dec 5, 1989
    • NGK Spark Plug Co., Inc.
    • Sadayuki Ueha
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Piezoelectric rotary driver
    • Patent number 4,634,916
    • Issue date Jan 6, 1987
    • NGK Spark Plug Co., Ltd
    • Kozo Okada
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER