Patents by Inventor Kazutugu Kikuchi

Kazutugu Kikuchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tuning-fork vibratory gyro
    Patent number: 6194817
    Abstract: A tuning-fork vibration gyro includes a tuning-fork vibrator having two arms and a base portion, and a supporting portion located in a center of a rotational motion of the base portion caused by a vibration resulting from a Coriolis force. The supporting portion protrudes from two surfaces of the base portion opposite each other in a direction in which the vibration resulting from the Coriolis force occurs.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: February 27, 2001
    Assignee: Fujitsu Limited
    Inventors: Masanori Yachi, Yoshio Satoh, Hiroshi Ishikawa, Yoshitaka Takahashi, Kazutugu Kikuchi
  • Tuning-fork vibratory gyro and sensor system using the same
    Patent number: 5861705
    Abstract: A vibratory gyro including a tuning-fork vibrator having a piezoelectric member and a supporting member supporting the tuning-fork vibrator. The tuning-fork vibrator has a driving-side vibration mode and a detection-side vibration mode. The tuning-fork vibrator resonates in the driving-side vibration mode, and the tuning-fork vibrator and the supporting member resonate as a whole in the detection-side vibration mode.
    Type: Grant
    Filed: April 4, 1996
    Date of Patent: January 19, 1999
    Assignee: Fujitsu Limited
    Inventors: Noboru Wakatsuki, Masaaki Ono, Sumio Yamada, Kazutugu Kikuchi, Motoi Yamauchi
  • Tuning-fork vibratory gyro and sensor system using the same
    Patent number: 5757107
    Abstract: A vibratory gyro includes a tuning-fork vibrator having a piezoelectric member, and a supporting member supporting the tuning-fork vibrator. The tuning-fork vibrator has a driving-side vibration and a detection-side vibration. The turning-fork vibrator resonates in the driving-side vibration, and the turning-fork vibrator and the supporting member resonate as a whole in the detection-side vibration.
    Type: Grant
    Filed: February 7, 1997
    Date of Patent: May 26, 1998
    Assignee: Fujitsu Limited
    Inventors: Noboru Wakatuki, Masaaki Ono, Sumio Yamada, Kazutugu Kikuchi, Motoi Yamauchi