Patents by Inventor Tomoo Shibanai

Tomoo Shibanai 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).

  • Electric driving device capable of eliminating backlash
    Patent number: 5008605
    Abstract: A mechanism such as a camera has an electric driving device being capable of eliminating backlash, is equipped with an electric driving unit, an actuation unit driven by the driving force of the electric driving unit, a gear train for transmitting the driving force of the electric driving unit to the actuating unit, and a control unit for power supply to the electric driving unit for eliminating the backlash generated in the gear train.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: April 16, 1991
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsunemasa Ohara, Tomoo Shibanai