Patents by Inventor Katuo Osono

Katuo Osono 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).

  • Holder for paper-keeping bags
    Patent number: 4940353
    Abstract: A holder for paper-keeping bags is disclosed, which comprises an elastic sleeve with U-shaped transverse section open at along one longitudinal side, a sliding bind base inserted into the elastic sleeve slidably in the longitudinal direction, a board bonded at one side edge adhesive portion of the sliding bind base and a plurality of paper-keeping envelopes held in layers at one side edge holder portion of the board.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: July 10, 1990
    Assignee: King Jim Co., Ltd.
    Inventors: Katuo Osono, Masaaki Maejima