Patents by Inventor Pusphanathan Kolunthavelu

Pusphanathan Kolunthavelu 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).

  • Bulk erase tool to erase a perpendicular media recording disk of a disk drive
    Patent number: 8379363
    Abstract: A bulk erase tool to erase a perpendicular media recording (PMR) disk of a disk drive is disclosed. The bulk erase tool comprises a housing to receive a disk drive and at least one of a first pair of magnets mounted in the housing to be positioned above the received disk drive to provide a magnetic field to erase the top side of the disk and a second pair of magnets mounted in the housing to be positioned below the disk drive to provide a magnetic field to erase the bottom side of the disk.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: February 19, 2013
    Assignee: Western Digital Technologies, Inc.
    Inventors: Pusphanathan Kolunthavelu, Anandan Vengadasalam