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Hiroaki Nakashima

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Control unit for an ultrasonic flaw detector
    • Patent number D350294
    • Issue date Sep 6, 1994
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroaki Nakashima
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Ultrasonic flaw detector system
    • Patent number D349464
    • Issue date Aug 9, 1994
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroaki Nakashima
    • D10 - Measuring, testing, or signalling instruments