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Wataru Ohnuki

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical fiber vibration sensor
    • Patent number 7,992,440
    • Issue date Aug 9, 2011
    • Hitachi Cable, Ltd.
    • Tatsuya Kumagai
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical fiber gyroscope
    • Patent number 6,201,923
    • Issue date Mar 13, 2001
    • Hitachi Cable, Ltd.
    • Toshiya Yuhara
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber gyro
    • Patent number 5,471,301
    • Issue date Nov 28, 1995
    • Hitachi Cable, Ltd.
    • Tatsuya Kumagai
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical fiber vibration sensor
    • Publication number 20100281985
    • Publication date Nov 11, 2010
    • Hitachi Cable, Ltd.
    • Tatsuya Kumagai
    • G01 - MEASURING TESTING