Patents by Inventor Satoru Ninomiya

Satoru Ninomiya 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).

  • Pouring plug of a container
    Patent number: 5141133
    Abstract: A pouring plug for a container having two members, namely a tubular body for mounting on a container wall and a lid mounted or threadedly mounted internally of the tubular body, a tubular blade is connected to an end of a mounting portion or threaded mounting portion of the lid by an easily rupturable connecting portion or portions, and a separating structure is provided between the tubular blade and the mounting portion or the threaded mounting portion. Rotation-stop elements for the tubular blade are provided between the outer wall of the tubular blade and the inner wall of the tubular body.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: August 25, 1992
    Assignees: Marubeni Corporation, Yamato Kakozai Co., Ltd.
    Inventors: Satoru Ninomiya, Hideo Matsui