Patents by Inventor Yoshinobu Oshige

Yoshinobu Oshige 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).

  • Multi-layer extruded article
    Patent number: 4281045
    Abstract: A multi-layer extruded article useful for packaging materials, comprising a gas-barrier layer and a polyolefin layer laminated on at least one of the opposite sides of the gas-barrier layer, the gas-barrier layer being made of a mixture comprising a saponification product of an ethylene-vinyl acetate copolymer, a saponification product of an ethylene-vinyl acetate copolymer having a different ethylene content from the first saponification product, and a polyvinyl alcohol.
    Type: Grant
    Filed: November 29, 1979
    Date of Patent: July 28, 1981
    Assignee: Kyoraku Co., Ltd.
    Inventors: Takehiko Sumi, Yoshinobu Oshige, Yoshio Koike, Kazuya Matsumoto