Patents by Inventor Yoshio Kuromoto

Yoshio Kuromoto 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).

  • Patent number: 3940779
    Abstract: A single lens reflex camera includes an interchangeable objective lens provided with a diaphragm adjusting ring having a drive element and an interchangeable view finder unit housing a light responsive exposure determining means including a follower movable with a varying parameter of the means between a retracted position and a resiliently urged advanced position. A blocking element is normally locked in a position projecting from the unit and preventing the mounting of the finder, and when the follower is released, the blocking element is retractable. The follower is locked in its retracted position and when the finder is mounted the follower is released for movement into operative engagement with the drive element.
    Type: Grant
    Filed: March 27, 1974
    Date of Patent: February 24, 1976
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Yoshio Kuromoto, Toshio Kobori, Masaru Ohba