Patents by Inventor Masatoshi Wakabayashi

Masatoshi Wakabayashi 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).

  • Manually operated sizing machine
    Patent number: 5249547
    Abstract: A manually operated sizing machine comprising a sheet roll unit, a size container with a sheet pullout port, a separation wall thereof and a clearance at the bottom of said wall, and designed to size a sheet pulled out through the clearance at the bottom of the separation wall.It is a compact and less expensive machine which permits easy and even sizing on wall paper, floor sheet and various kinds of sheet.
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: October 5, 1993
    Assignee: Kyokutosanki Co., Ltd.
    Inventors: Toshinari Takada, Masatoshi Wakabayashi, Arata Koroyasu, Yasuaki Matsui