Patents by Inventor Souichiro Ishikawa

Souichiro Ishikawa 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: 4202481
    Abstract: A stapling machine adapted for use with a special configuration of a wire staple comprising a base plate having a wire staple receiving mold or recess in one end portion thereof an upright flanged portions at both sides on the opposite ends thereof; a wire staple holding frame in a cylindrical configuration having a cross-sectional shape conforming to the shape of an ornamental wire staple having a broadened center beam section which is wider than the staple points or legs at both sides thereof, and a leaf spring connected at one end thereof with the wire staple holding frame, and the other end being partially bent in a U-shape to provide a repulsive force and partially formed into a hook-shape; a pressure applying member including at one end portion thereof a wire staple extruding member formed in a fork-shape to freely slide into and out of grooves formed in said wire staple holding frame and a pair of upright flanged portions at both sides of the other end thereof forming a bearing for a shaft so as to be
    Type: Grant
    Filed: August 10, 1978
    Date of Patent: May 13, 1980
    Inventors: Jun Yanagida, Souichiro Ishikawa, Kazutada Nakazawa