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Koji Fukuyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Spindle motor
    • Patent number 5,698,915
    • Issue date Dec 16, 1997
    • Nidec Corporation
    • Koji Fukuyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spindle motor
    • Patent number 5,536,986
    • Issue date Jul 16, 1996
    • Nagano Nidec Corporation
    • Koji Fukuyama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...