Patents by Inventor Kikuo Yamagisi

Kikuo Yamagisi 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: 4234300
    Abstract: An embossing device for roughening a lateral edge of a molded thermo-plastic sheet material by deforming it with a mechanical deforming device is disclosed. The device comprises a pair of rollers whose outer walls are rough and a structure for abutting these rollers against each other under pressure. The rough outer wall of at least one of the pair of rollers having a rough surface is provided with a plurality of relatively smooth stripes. The stripes are arranged in the width-wise direction of said roller.
    Type: Grant
    Filed: November 28, 1978
    Date of Patent: November 18, 1980
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kikuo Yamagisi, Hiroshi Okuyama, Hideo Kawaguchi