Patents by Inventor Masatomo Ishihara

Masatomo Ishihara 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).

  • Method and apparatus for producing a multi-layer laminated resin film
    Patent number: 4476080
    Abstract: A multi-layer laminated resin film comprising top and bottom outer laminates of sandwich structure each including a layer of reclaimed synthetic resin mixture entirely surrounded by a second fresh resin layer and an inner layer interposed between and secured to the inside surface of the top and bottom laminates.A process for producing a multi-layer laminated resin film using reclaimed resin mixture in which a first resin of reclaimed synthetic resin mixture is fed into a first composite die in a first direction, a second resin of fresh resin is fed into the first composite die in a second direction at right angles to the first direction to surround the first resin, adhesive is fed into a second composite die in a first direction and a third resin is fed into the second composite die in a second direction diametrically opposite to the first direction.
    Type: Grant
    Filed: May 10, 1983
    Date of Patent: October 9, 1984
    Assignees: Toyo Seikan Kaisha Ltd., Tokan Kogyo Co. Ltd.
    Inventors: Hirohisa Komoda, Masatomo Ishihara
  • Multi-layer laminated resin film
    Patent number: 4410602
    Abstract: A multi-layer laminated resin film comprising top and bottom outer laminates of sandwich structure each including a layer of reclaimed synthetic resin mixture entirely surrounded by a second fresh resin layer and an inner layer interposed between and secured to the inside surface of the top and bottom laminates.A process for producing a multi-layer laminated resin film using reclaimed resin mixture in which a first resin of reclaimed synthetic resin mixture is fed into a first composite die in a first direction, a second resin of fresh resin is fed into the first composite die in a second direction at right angles to the first direction to surround the first resin, adhesive is fed into a second composite die in a first direction and a third resin is fed into the second composite die in a second direction diametrically opposite to the first direction.
    Type: Grant
    Filed: April 30, 1981
    Date of Patent: October 18, 1983
    Assignees: Toyo Seikan Kaisha Ltd., Tokan Kogyo Co. Ltd.
    Inventors: Hirohisa Komoda, Masatomo Ishihara