Patents by Inventor Sakan Yamaguti

Sakan Yamaguti 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).

  • Photographic support material and method of producing same
    Patent number: 4179541
    Abstract: An embossed photographic support material is produced by extrusion coating a polyolefin resin over a pattern embossed on a base paper material and pressing the polyolefin resin onto the embossed paper with a cooling roll. The cooling roll has a surface finish to impart the desired amount of gloss to the embossed surface.
    Type: Grant
    Filed: August 12, 1977
    Date of Patent: December 18, 1979
    Assignee: Mitsubishi Paper Mills, Ltd.
    Inventors: Masao Miyama, Sakan Yamaguti, You Kusama