Patents by Inventor Sivabalan Ganisen

Sivabalan Ganisen 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).

  • Test ramp for testing microactuators used in a multi-head disk drive
    Patent number: 8499652
    Abstract: A test ramp is disclosed comprising a plurality of planar surfaces, wherein each planar surface comprises at least one impediment. Each impediment is offset along a planar axis from the other impediments, and each impediment is operable to contact part of a respective actuator arm of a disk drive in order to excite a microactuator coupled to the actuator arm.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: August 6, 2013
    Assignee: Western Digital Technologies, Inc.
    Inventors: Gregory Tran, Yanning Liu, Sivabalan Ganisen, Mukesh Patel