Patents by Inventor Keichi Sato

Keichi Sato 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).

  • Ultrasonic driving motor
    Patent number: 6323579
    Abstract: A fixing member is inserted under pressure into a central hole of an ultrasonic vibrator, a case and a center axle are fixed by a screw, a bearing is fixed on an end portion of the center axle, a rotor is mounted to rotate by the bearing, a connection member is fixed to the rotor, projections are formed on the edge of a disk of the connection member, spaces are formed between the projections respectively, a contact member is composed by inserting ends of divided parts into spaces of the connection member, and a ring-like elastic member is mounted on the contact member which is pressed on the ultrasonic vibrator.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: November 27, 2001
    Assignee: Honda Electronics Co., Ltd.
    Inventors: Yasunobu Yagita, Hisao Kurata, Keichi Sato, Shoji Takahashi, Yuji Maeda