Patents by Inventor Chin Phan Kuan

Chin Phan Kuan 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).

  • Patent number: 9196302
    Abstract: An apparatus includes: a media; a head over the media; a read channel, coupled to the head, configured to extract data from the media; control circuitry, coupled to the read channel, configured to execute a read command; and wherein the read channel is further configured to: generate, based on extracting the data from the media, a data condition indicator, and provide, for use by the control circuitry, the data and the data condition indicator.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: November 24, 2015
    Assignee: Western Digital Technologies, Inc.
    Inventors: Chin Phan Kuan, Nikki Poh Ling Khew, Wai Shin Chin
  • 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