Patents by Inventor Yin Qian Yu

Yin Qian Yu 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).

  • Magnetic disk drive device, magnetic disk assembly and methods of forming the same
    Patent number: 9177595
    Abstract: A magnetic disk drive device for rotary driving a magnetic disk may be provided. The magnetic disk drive device may include a drive motor for rotary driving the magnetic disk. The drive motor may include a motor hub which has motor hub support portion with a screw-type motor hub engaging portion, and a motor hub support surface for supporting the magnetic disk. The magnetic disk drive device may also include a clamp disk including a clamp disk support portion with a screw-type clamp disk engaging portion complementary to the motor hub engaging portion, and a clamp disk support surface for supporting the magnetic disk.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: November 3, 2015
    Assignee: Marvell International LTD.
    Inventors: Yin Qian Yu, Chao Bi, Quan Jiang
  • MAGNETIC DISK DRIVE DEVICE, MAGNETIC DISK ASSEMBLY AND METHODS OF FORMING THE SAME
    Publication number: 20140321002
    Abstract: A magnetic disk drive device for rotary driving a magnetic disk may be provided. The magnetic disk drive device may include a drive motor for rotary driving the magnetic disk. The drive motor may include a motor hub which has motor hub support portion with a screw-type motor hub engaging portion, and a motor hub support surface for supporting the magnetic disk. The magnetic disk drive device may also include a clamp disk including a clamp disk support portion with a screw-type clamp disk engaging portion complementary to the motor hub engaging portion, and a clamp disk support surface for supporting the magnetic disk.
    Type: Application
    Filed: April 24, 2014
    Publication date: October 30, 2014
    Applicant: Agency for Science, Technology and Research
    Inventors: Yin Qian Yu, Chao Bi, Quan Jiang