Patents by Inventor Kozo Osawa

Kozo Osawa 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 setting a workpiece correctly on a sewing machine
    Patent number: 4648335
    Abstract: An apparatus for setting a zipper and a front cloth to sew in correct position providing a pair of set-plates which perform three dimensional motion: vertical swing to clamp a workpiece and horizontal swing to form a "V" shape to receive a slitted front cloth and forming parallel lines to locate the zipper and the front cloth in the correct position. The motion of the set-plates is driven by air cylinders actuated by a pedal switch.
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: March 10, 1987
    Assignee: Tokyo Juki Industrial Co., Ltd.
    Inventors: Tooru Hiramatsu, Kazuya Tami, Kozo Osawa
  • Oval pipe with a flat base
    Patent number: 4020639
    Abstract: The installation of pipes having oval cross sections is made easier by including an installation portion which has a flat base perpendicular to the major axis of the oval cross section.
    Type: Grant
    Filed: December 29, 1975
    Date of Patent: May 3, 1977
    Assignee: Sekisui Kagaku Kogyo Kabushiki Kaisha
    Inventors: Syoji Nagare, Kozo Osawa