Patents by Inventor Tetuyuki Tanimoto

Tetuyuki Tanimoto 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).

  • Optical system for use in single lens reflex cameras
    Patent number: 4387967
    Abstract: An optical system for a viewfinder camera is provided. The objective lens system is divided into at least two separate lens groups. The first lens group provides an insufficient correction to aberration while the second lens group is designed specifically to correct the aberration transmitted through the first lens group. The complimentary viewfinder system is also likewise designed to correct the same aberration as the second lens group.
    Type: Grant
    Filed: March 26, 1980
    Date of Patent: June 14, 1983
    Assignee: Minolta Camera Co., Ltd.
    Inventors: Yasuo Yamazaki, Kazuo Kimura, Tetuyuki Tanimoto