Patents by Inventor Satoru Fukasawa

Satoru Fukasawa 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).

  • Sheet feeding device with adjustable feeding and inversely-rotating rollers
    Patent number: 5449162
    Abstract: A sheet feeding device includes a feeding roller, which has a plurality of large-diameter portions and which rotates in a sheet-feeding direction, an inversely-rotating roller, which has a plurality of large-diameter portions alternately disposed with respect to the large-diameter portions of the feeding roller and which rotates in a direction reverse to the sheet-feeding direction, and an automatic adjustment unit for automatically adjusting the amount of overlap between the large-diameter portions of the feeding roller and the large-diameter portions of the inveresely-rotating roller in accordance with a sheet-feeding state.
    Type: Grant
    Filed: December 13, 1993
    Date of Patent: September 12, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshihiro Saito, Masahiko Ito, Satoru Fukasawa