Patents by Inventor Masatoshi Oki

Masatoshi Oki 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).

  • Stretch wrap film
    Patent number: 5139855
    Abstract: A laminated stretch wrap film comprising an intermediate layer and two outer layers wherein (i) the intermediate layer is comprised of polyethylene having a density equal to or less than 0.910 gram per cubic centimeter blended with about 5 to about 30 percent by weight polypropylene, the percent by weight being based on the combined weight of the polyethylene and polypropylene; and (ii) the outer layers are comprised of ethylene-vinyl acetate copolymer.
    Type: Grant
    Filed: June 12, 1991
    Date of Patent: August 18, 1992
    Assignee: Nippon Unicar Company Limited
    Inventors: Shigeo Fujitani, Hisashi Nakagawa, Masatoshi Oki