Patents by Inventor Tokio Yoshida, deceased

Tokio Yoshida, deceased 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 of making beverage packaging bag
    Patent number: 4762514
    Abstract: A method of making a beverage packaging bag made of at least one laminar panel which has an inner layer and an outer layer with appropriate portions of the laminar panel bonded and thus sealed together by heating and a plurality of cuts provided in the outer layer to facilitate piercing of a straw through the panel, by directing a laser beam through a mask at the bag.
    Type: Grant
    Filed: August 12, 1987
    Date of Patent: August 9, 1988
    Assignee: Fujimori Kogyo Co., Ltd.
    Inventor: Tokio Yoshida, deceased