Patents by Inventor Vijayaharan A. Venugopal

Vijayaharan A. Venugopal 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).

  • Data writer with laminated front shield
    Patent number: 9899042
    Abstract: A data storage device data writer may arrange a write pole to be positioned uptrack from a front shield on an air bearing surface. The front shield can consist of a lamination of a first magnetic alloy material and a second magnetic alloy material. The second magnetic alloy material may be NiFe that has 80% iron by weight.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: February 20, 2018
    Assignee: Seagate Technology LLC
    Inventors: Vijayaharan A. Venugopal, Muhammad Asif Bashir, Peter McGeehin, Marcus B. Mooney, Mark Gubbins
  • Storage device head using high magnetic moment material including a rare earth material and a transition metal
    Patent number: 9773512
    Abstract: A write pole structure includes a write pole and a trailing shield wherein the write pole includes a high magnetic moment (HMM) material layer on a surface of the write pole facing the trailing shield, wherein the HMM material layer includes a laminated layer including a rare earth material layer and a transition metal layer.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: September 26, 2017
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Mark Anthony Gubbins, Vijayaharan A. Venugopal, Marcus Benedict Mooney, Adam Andrzej Lapicki, Muhammad Asif Bashir, Prim Gangmei
  • Data writer gap material with decreased protrusion
    Patent number: 9734855
    Abstract: A data writer can have at least a write pole separated from a return pole by a non-magnetic lamination. The non-magnetic lamination may consist of first, second, and third non-magnetic materials that are each different and configured to provide a physical protrusion on an air bearing surface of less than 4 Angstroms.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: August 15, 2017
    Assignee: Seagate Technology LLC
    Inventors: Vijayaharan A. Venugopal, Beverley R. McConnell, Marcus B. Mooney, Mark A. Gubbins
  • STORAGE DEVICE HEAD USING HIGH MAGNETIC MOMENT MATERIAL
    Publication number: 20160180868
    Abstract: A write pole structure includes a write pole and a trailing shield wherein the write pole includes a high magnetic moment (HMM) material layer on a surface of the write pole facing the trailing shield, wherein the HMM material layer includes a laminated layer including a rare earth material layer and a transition metal layer.
    Type: Application
    Filed: December 18, 2015
    Publication date: June 23, 2016
    Inventors: Mark Anthony Gubbins, Vijayaharan A. Venugopal, Marcus Benedict Mooney, Adam Andrzej Lapicki, Muhammad Asif Bashir, Prim Gangmei