Patents by Inventor Haq-Ryeol Kim

Haq-Ryeol Kim 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).

  • DISK DRIVE WITH ENHANCED LEAD SCREW
    Publication number: 20120260270
    Abstract: Provided is a disc drive including a main chassis, and a tray, which may receive a disc thereon, and is arranged to slide into and out of the main chassis. The tray includes a pickup transporting unit which linearly moves a pickup base in a radial direction of the disc and includes a step motor and a lead screw. The lead screw includes a plurality of sections with different diameters.
    Type: Application
    Filed: April 6, 2012
    Publication date: October 11, 2012
    Inventor: Haq-Ryeol Kim