Patents by Inventor Katsura Tanaka

Katsura Tanaka 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).

  • Patent number: 6568587
    Abstract: A self-supporting container formed by folding a shape-retaining paper sheet in substantially W-shape and joining opposite side edges of the inner surface thereof. At least one side wall of the container is provided with a see-through window and graduations for measuring the contents are formed at or adjacent to the window. By reading these graduations, the contents are easily measured. Supplementary graduations for measuring small amounts and auxiliary members for accurate measuring are also added.
    Type: Grant
    Filed: June 19, 2001
    Date of Patent: May 27, 2003
    Assignee: Meiji Dairies Corporation
    Inventors: Masashi Yamada, Katsura Tanaka