Patents by Inventor Shigeki Miyazawa

Shigeki Miyazawa 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).

  • Vibration type gyroscope and method for manufacturing vibration type gyroscope
    Patent number: 7207221
    Abstract: A piezo-electric vibration reed 1 including connection arms extended in opposing directions from a base 12, drive arms extended in a direction perpendicular to the connection arms at the respective tips of the connection arms 13 and 14, and detection arms extended from the base 12 in a direction perpendicular to the connection arms. In the respective tips of the drive arms, and the detection arms, there are formed a first deadweight portion and a second deadweight portion, which are adjustment portions used for mass adjustment. The adjustment portions are formed of deadweight layers and an electrode film.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: April 24, 2007
    Assignee: Seiko Epson Corporation
    Inventors: Osamu Kawauchi, Shigeki Miyazawa, Katsumi Takayama, Keiichi Yamaguchi
  • Vibration type gyroscope and method for manufacturing vibration type gyroscope
    Publication number: 20060070442
    Abstract: A piezo-electric vibration reed 1 including connection arms extended in opposing directions from a base 12, drive arms extended in a direction perpendicular to the connection arms at the respective tips of the connection arms 13 and 14, and detection arms extended from the base 12 in a direction perpendicular to the connection arms. In the respective tips of the drive arms, and the detection arms, there are formed a first deadweight portion and a second deadweight portion, which are adjustment portions used for mass adjustment. The adjustment portions are formed of deadweight layers and an electrode film.
    Type: Application
    Filed: September 29, 2005
    Publication date: April 6, 2006
    Inventors: Osamu Kawauchi, Shigeki Miyazawa, Katsumi Takayama, Keiichi Yamaguchi