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Naoki Yamaguchi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid pressure control device
    • Patent number 5,988,765
    • Issue date Nov 23, 1999
    • Nabco, Ltd.
    • Naoki Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Solenoid valve control device
    • Patent number 5,775,367
    • Issue date Jul 7, 1998
    • Westinghouse Air Brake Company
    • Naoki Yamaguchi
    • B60 - VEHICLES IN GENERAL