Patents by Inventor Shuchi Kiyohara

Shuchi Kiyohara 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).

  • Photometric device for camera
    Patent number: 4985726
    Abstract: A photometric device for a camera arranged to measure light by dividing a photographing field into a plurality of areas and to permit use of an interchangeable lens. The device computes a measured light value using information obtained from the interchangeable lens on its exit pupil position or on a correction value required for correcting its intrinsic drop of image plane light quantity along with information on each of the luminance values of the plurality of areas.
    Type: Grant
    Filed: March 22, 1990
    Date of Patent: January 15, 1991
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuo Fujibayashi, Shingo Hayakawa, Shuchi Kiyohara