Patents by Inventor Noppol Vangnayunut

Noppol Vangnayunut 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 backup protection using a signature with an enhanced file manager
    Patent number: 8843779
    Abstract: A disk drive including a disk surface including a first backup location, and a second backup location, a head actuated radially over the disk surface to write data to the disk surface, a memory configured to store a signature, and control circuitry coupled to the head. The control circuitry can be configured to receive a command to write data to the disk surface, insert the signature into the data, write the data to the disk surface, and alternately writing a spare copy of the data to the first backup location and to the second backup location based on a value of the signature.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: September 23, 2014
    Assignee: Western Digital Technologies, Inc.
    Inventors: Chin Phan Kuan, Noppol Vangnayunut, Nikki Poh Ling Khew, Peng Lee Liang