Patents by Inventor Tateo Yamada

Tateo Yamada 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).

  • Slide projector controllable of its projection time
    Patent number: 3938886
    Abstract: In a slide projector a plurality of slide films contained in a tray are successively selected and shifted to a projected position. A switch is provided which controls movement through a clutch to a running motor of each slide film between its tray-stored position and its projection position and also movement of the tray itself. This switch serves also as a switch for resetting a timer which holds each slide film in its projected position for any desired time.
    Type: Grant
    Filed: November 5, 1973
    Date of Patent: February 17, 1976
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masanori Uchidoi, Tateo Yamada