Patents by Inventor Akinori Kodama

Akinori Kodama 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).

  • Scored container top
    Patent number: 4877149
    Abstract: A circular "pop-top" can has a multilayer foil (19) and resin (20, 21) base 4, on the upper surface of which a rigid injection molded resin layer 5 is formed. An elliptical groove 6 surrounds a semicircular pedestal 8 extended inwardly by a U-shaped projection 9 having score lines 18 extending across its legs. The butt of a pull tab 12 is fixed to the pedestal such that upon lift up the tab and pedestal pivot downwardly about the score lines to rupture the exposed base at the groove.
    Type: Grant
    Filed: November 30, 1988
    Date of Patent: October 31, 1989
    Assignee: Showa Denko Kabushiki Kaisha
    Inventors: Akinori Kodama, Takeshi Takahashi