Patents by Inventor Masatake Hamada

Masatake Hamada 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).

  • Apparatus having an automatic focus detecting device
    Patent number: 5227833
    Abstract: An apparatus has an automatic focus detection device. The automatic focus detection device detects a focus condition of a taking lens by using a plurality of detection areas. These detection areas are displayed on a finder. The plurality of detection area are displayed on the finder in a specific order according to a situation of the camera by throwing a switch designating a detection area.
    Type: Grant
    Filed: November 7, 1991
    Date of Patent: July 13, 1993
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Tokuji Ishida, Masatake Hamada, Hiroshi Ootsuka, Hiroshi Ueda