Patents by Inventor Nakayama Hiroshige

Nakayama Hiroshige 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).

  • Straw-equipped liquid drink container
    Patent number: 4448316
    Abstract: A straw-equipped liquid drink container comprising a flexible straw accommodated in the container in such a manner that upon removal of the seal cover of the container, one end portion of the straw may spring out of the container by the force of a spring acting on the straw in the container to thus enable one to drink the liquid quickly and very easily.
    Type: Grant
    Filed: July 17, 1981
    Date of Patent: May 15, 1984
    Inventor: Nakayama Hiroshige