Patents by Inventor Toshiaki Yagasaki

Toshiaki Yagasaki 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).

  • Feed control device
    Patent number: 4332462
    Abstract: A control device is disclosed for controlling the operation of an original document feeder. A detector is provided for detecting the presence of an original at a position along the feed path, and a jam detecting device in coupled to stop the operation of the feeder within a predetermined time period unless the jam detector function is released, in response to said original detector, prior to the expiration of said predetermined time period.
    Type: Grant
    Filed: May 20, 1980
    Date of Patent: June 1, 1982
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshiaki Yagasaki, Shunichi Masuda, Katsuichi Shimizu, Hisashi Sakamaki
  • Copying apparatus provided with an automatic original feeding device
    Patent number: 4281919
    Abstract: A copying apparatus is provided with original feeding device for feeding an original to an exposure position and discharging the original from the exposure position after termination of exposure, image formation device for forming an image corresponding to the image of the original, start instruction device for instructing the apparatus to start copying, detector for detecting the original placed at the exposure position when copy start has been instructed by the instruction means, and control device for causing the original feeding device to discharge the original after a predetermined number of copies have been produced for the original when there is an output of the detector.
    Type: Grant
    Filed: October 11, 1979
    Date of Patent: August 4, 1981
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihiro Nomura, Kimiaki Hayakawa, Shigeru Yoshimura, Shunichi Masuda, Katsuichi Shimizu, Toshiaki Yagasaki