Patents by Inventor Gi Seok Yun

Gi Seok Yun 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).

  • Spindle motor with oil impregnated bearings and a shaft with a groove
    Patent number: 7608957
    Abstract: A spindle motor can include a base, a bearing housing supported by the base, a bearing installed in the bearing housing, where oil is impregnated in the bearing, a rotating shaft rotatably installed in the bearing and having a groove at a predetermined surface thereof facing the bearing, a stator installed around the bearing housing and having a core and a coil, and a rotor fixed to the rotating shaft and having a rotor yoke and a magnet.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: October 27, 2009
    Assignee: LG Innotek Co., Ltd.
    Inventor: Gi Seok Yun
  • Spindle Motor
    Publication number: 20070290561
    Abstract: A spindle motor can include a base, a bearing housing supported by the base, a bearing installed in the bearing housing, where oil is impregnated in the bearing, a rotating shaft rotatably installed in the bearing and having a groove at a predetermined surface thereof facing the bearing, a stator installed around the bearing housing and having a core and a coil, and a rotor fixed to the rotating shaft and having a rotor yoke and a magnet.
    Type: Application
    Filed: June 15, 2007
    Publication date: December 20, 2007
    Inventor: Gi Seok Yun