Patents by Inventor Yasushi Hisamichi

Yasushi Hisamichi 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).

  • Endoscope still photographing apparatus provided with an automatic illuminating light amount controlling function
    Patent number: 4945366
    Abstract: In a releasing operation with a still camera fittable to the eyepiece part of an endoscope and containing a recording medium, without exposing the recording medium, the diaphragmed value of a light source apparatus is set at a value adapted to the photographing condition and then the recording medium is actually exposed.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: July 31, 1990
    Assignee: Olympus Optical Co. Ltd.
    Inventors: Yasushi Hisamichi, Akihiko Miyazaki