Patents by Inventor Katsu Yoneyama

Katsu Yoneyama 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: 5497903
    Abstract: A multiple folded paper for continuous disposal comprising a container; a first group of sheets of paper folded rightwardly; and a second group of sheets of paper folded leftwardly; a lower folded-section of each of the first group sheets of paper being interdigitated with an upper folded-section of each of the second group sheets of paper thereunder, thereby forming a multiple folded paper; the multiple folded paper being received in the container such that a leading end of the upper folded-section, which is in a frictional engagement at the interdigitated area with the uppermost folded sheet of paper, is exposed out of the outlet slit by drawing out the upper folded-section of the uppermost folded sheet of paper through an outlet slit formed in the container, thereby facilitating a continuous disposal of the multiple folded paper; wherein a tail end of the lower folded-section of each of the first group sheets of paper folded rightwardly and a tail end of the lower folded-section of each of the second group
    Type: Grant
    Filed: January 13, 1995
    Date of Patent: March 12, 1996
    Inventor: Katsu Yoneyama
  • Patent number: 5310398
    Abstract: A method and an apparatus for folding and interfolding single-ply webs, in which single-ply webs are first-folded alternately on their respective lines, tail portions and head portions of the webs are overlapped alternately while reducing the feeding distance of the webs which are already first-folded on their respective lines, and the overlapped webs are second-folded alternately.
    Type: Grant
    Filed: October 30, 1992
    Date of Patent: May 10, 1994
    Inventor: Katsu Yoneyama