Patents by Inventor Yoshio Minosawa

Yoshio Minosawa 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).

  • Inner closure cap for bottle or tube type container
    Patent number: 4553679
    Abstract: An inner closure cap, adapted to be tightly fitted to an open end of a neck portion of a container and covered with an outer closure cap engageable with the outer periphery of the neck portion, includes a cap body having a pouring hole and an upper surface and a sealing member for hermetically closing the pouring hole. The upper surface and the sealing member are formed with respective rings having vertical sides, and the sealing member is adhered to the upper surface with the rings being fitted therebetween in adhesion.
    Type: Grant
    Filed: May 18, 1984
    Date of Patent: November 19, 1985
    Assignee: Yoshida Industry Co., Ltd.
    Inventors: Yoshiharu Hatakeyama, Yoshio Minosawa