Patents by Inventor Katumi Sugawara

Katumi Sugawara 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).

  • Patent number: 5029828
    Abstract: A continuous paper folding device for a printing machine has a pair of thin elongated folding plates which are located at both sides of a paper transferring path for a continuous paper, provided by a plurality of transferring rollers and are arranged so as to be rotatable around the respective axes of rotation which extend in parallel to each other. When the pair of folding plates are operated by a driving motor, the folding plate are rotated in correspondence to rows of perforations formed in the continuous paper so that it is correctly folded in a zigzag form on a paper receiving table.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: July 9, 1991
    Assignee: Sinko Seisakusho Co., Ltd.
    Inventors: Takao Sato, Katumi Sugawara