Patents by Inventor Satoru Nakura

Satoru Nakura 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).

  • Multilayered polypropylene film
    Patent number: 4393115
    Abstract: Laminating a stretched thin propylene-ethylene block copolymer layer onto a surface of a laminate film hving a biaxially oriented polypropylene layer and a polypropylene layer uniaxially oriented only in the width direction. The resulting film has improved hand-cutting properties and the surface accepts wiring or drawing and is especially advantageous for use as adhesive tape.
    Type: Grant
    Filed: July 15, 1981
    Date of Patent: July 12, 1983
    Assignee: Toray Industries
    Inventors: Toshiya Yoshii, Satoru Nakura, Masatsugi Murakami