Patents by Inventor Kiyoshi Ootuka

Kiyoshi Ootuka 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).

  • Wheel support hub unit, bearing ring member for wheel support hub unit, and method of manufacturing the same
    Patent number: 8881405
    Abstract: A raceway member (6) of a wheel support hub unit, having wheel or vehicle body fixing portions (7) extending radially outward from a solid or hollow shaft portion, and a wheel or vehicle body positioning cylindrical portion (9) extending concentrically with the shaft portion, the fixing portion (7) being formed by the cold side extrusion so that the fixing portion is integral with the shaft portion (5).
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: November 11, 2014
    Assignee: NSK Ltd.
    Inventors: Kazuto Kobayashi, Kiyoshi Ootuka, Yuu Yasuda
  • WHEEL SUPPORT HUB UNIT, BEARING RING MEMBER FOR WHEEL SUPPORT HUB UNIT, AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20130167611
    Abstract: A raceway member (6) of a wheel support hub unit, having wheel or vehicle body fixing portions (7) extending radially outward from a solid or hollow shaft portion, and a wheel or vehicle body positioning cylindrical portion (9) extending concentrically with the shaft portion, the fixing portion (7) being formed by the cold side extrusion so that the fixing portion is integral with the shaft portion (5).
    Type: Application
    Filed: February 26, 2013
    Publication date: July 4, 2013
    Applicant: NSK, Ltd.
    Inventors: Kazuto KOBAYASHI, Kiyoshi OOTUKA, Yuu YASUDA
  • Wheel support hub unit, bearing ring member for wheel support hub unit, and method of manufacturing the same
    Patent number: 8402661
    Abstract: A raceway member 6 of a wheel support hub unit, having wheel or vehicle body fixing portions 7 extending radially outward from a solid or hollow shaft portion, and a wheel or vehicle body positioning cylindrical portion 9 extending concentrically with the shaft portion, the fixing portion 7 being formed by the cold side extrusion so that the fixing portion is integral with the shaft portion 5.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: March 26, 2013
    Assignee: NSK Ltd.
    Inventors: Kazuto Kobayashi, Kiyoshi Ootuka, Yuu Yasuda
  • Wheel support hub unit, bearing ring member for wheel support hub unit, and method of manufacturing the same
    Publication number: 20060117903
    Abstract: A raceway member 6 of a wheel support hub unit, having wheel or vehicle body fixing portions 7 extending radially outward from a solid or hollow shaft portion, and a wheel or vehicle body positioning cylindrical portion 9 extending concentrically with the shaft portion, the fixing portion 7 being formed by the cold side extrusion so that the fixing portion is integral with the shaft portion 5.
    Type: Application
    Filed: September 30, 2005
    Publication date: June 8, 2006
    Inventors: Kazuto Kobayashi, Kiyoshi Ootuka, Yuu Yasuda, Kouhei Mori