Patents by Inventor Fumio Yoshida

Fumio Yoshida 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).

  • Camera motor drive mechanisms
    Patent number: 4405221
    Abstract: In a motor drive mechanism for a camera, a film winding mechanism is actuated by a first motor and a second motor is selectively connected to either a control device for automatically performing a preparatory photographic operation prior to the commencement of an exposure or to a film rewinding mechanism.
    Type: Grant
    Filed: October 14, 1981
    Date of Patent: September 20, 1983
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Fumio Yoshida, Yukio Miki, Takeshi Egawa