Patents by Inventor Yoshikatsu Kohno

Yoshikatsu Kohno 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).

  • Apparatus for manufacturing a hollow synthetic resin product
    Patent number: 5030083
    Abstract: A hollow synthetic resin product manufacturing apparatus with an extruder having an extruding head for extruding a parison and a mold formed of lower and upper molding portions respectively having grooves, a cutter for cutting the parison extruded from the extruding head into a specified length, a robot having a hand for holding the parison at one point of the parison, and a control unit for moving the hand holding the above portion of the parison so that the parison be accommodated in the groove of the lower molding portion.
    Type: Grant
    Filed: December 28, 1989
    Date of Patent: July 9, 1991
    Assignee: Tigers Polymer Corporation
    Inventors: Yoshikatsu Kohno, Yoshio Kawaguchi