Patents by Inventor Fumitake Shirasaka

Fumitake Shirasaka 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).

  • Longitudinally interfolding device and method
    Patent number: 4052048
    Abstract: A longitudinally interfolding device and method for simultaneously interfolding a pair of partially superposed webs wherein the free margins of the webs are simultaneously over and under folded.
    Type: Grant
    Filed: March 11, 1976
    Date of Patent: October 4, 1977
    Assignee: Paper Converting Machine Company
    Inventor: Fumitake Shirasaka