Patents by Inventor Katsuo Ohkubo

Katsuo Ohkubo 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).

  • Appliance for cutting out thin film
    Patent number: 4974324
    Abstract: A cutting appliance for cutting a thin film has a cutter with a cutting edge held in a frame which slides on the thin film. The cutter is positioned to extend down to the plane of the bottom of the frame, where said frame has an opening therein. A magnifying glass is positioned obliquely with respect to the thin film and has a focal point substantially at the cutting edge of the cutter to enable good viewing by the operator of the appliance.
    Type: Grant
    Filed: July 28, 1989
    Date of Patent: December 4, 1990
    Assignee: Somar Corporation
    Inventor: Katsuo Ohkubo