Patents by Inventor Toshiyuki Takakusaki

Toshiyuki Takakusaki 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).

  • Tube structure and tube manufacturing method for hydraulic damper
    Patent number: 6684990
    Abstract: In a tube structure of a hydraulic damper, an outer tube and an inner tube are separately formed by extrusion, and using this outer tube or inner tube, as it has ribs integrally formed on an inside wall of the outer tube or outside wall of the inner tube, the inner tube is inserted into the outer tube, and the outer tube is forced to be reduced in diameter so that the outer tube is compression-joined onto the inner tube, whereby the outer and inner tubes and are integrally joined
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: February 3, 2004
    Assignees: Showa Corporation, Honda Giken Kogyo Kabushiki Kaisha
    Inventor: Toshiyuki Takakusaki
  • Tube structure and tube manufacturing method for hydraulic damper
    Publication number: 20020027050
    Abstract: In a tube structure of a hydraulic damper, an outer tube and an inner tube are separately formed by extrusion, and using this outer tube or inner tube, as it has ribs integrally formed on an inside wall of the outer tube or outside wall of the inner tube, the inner tube is inserted into the outer tube, and the outer tube is forced to be reduced in diameter so that the outer tube is compression-joined onto the inner tube, whereby the outer and inner tubes and are integrally joined
    Type: Application
    Filed: August 31, 2001
    Publication date: March 7, 2002
    Inventor: Toshiyuki Takakusaki