Patents by Inventor Mitsuo Takayanagi

Mitsuo Takayanagi 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).

  • Anti-bulging bag-in-box
    Patent number: 5562227
    Abstract: To provide a packaging container with anti-bulging function comprising a bag inside a box in which an inner bag is set in an octangular inner cylinder integrated with a quadrangular outer casing. The bag inside the box provides an anti-bulging function to prevent the outer casing from bulging, by developing a counter bulge in the inner bag acting on an oblique surface of the octangular inner cylinder to pull a side wall of the quadrangular outer casing inward.
    Type: Grant
    Filed: July 31, 1995
    Date of Patent: October 8, 1996
    Assignees: Honshu Paper Co., Ltd., Kikkoman Corporation
    Inventors: Taihei Takezawa, Hyozaemon Takanashi, Nobuo Sugimaru, Shoichi Kawase, Yutaka Watanabe, Mitsuo Takayanagi, Kinzaburo Akita