Patents by Inventor Jay Sundararajan

Jay Sundararajan 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).

  • Antenna radiator with pre-configured cloaking to enable dense placement of radiators of multiple bands
    Patent number: 11967777
    Abstract: An antenna that enables dense packing of radiators includes a plurality of first radiators configured to radiate in a first frequency band and a plurality of second radiators configured to radiate in a second frequency band, the second frequency band having higher frequencies than the first frequency band. each of the plurality of first radiators includes a plurality of dipole arms. Each of the plurality of dipole arms includes a periodic pattern of inductive choke segments, and each of the dipole arms has a broken peripheral current path.
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: April 23, 2024
    Assignee: John Mezzalingua Associates, LLC
    Inventors: Niranjan Sundararajan, Charles Buondelmonte, Jay Zhu, Wengang Chen
  • Electric lead with controllable fixation
    Patent number: 7835801
    Abstract: Embodiments include electrical leads and methods of using electrical leads that may be implantable and are controllably secured to target tissue. Some embodiments may include radially extending tissue engaging members that may serve as electrodes and which may be retracted if necessary to remove embodiments of an electrical lead.
    Type: Grant
    Filed: February 13, 2007
    Date of Patent: November 16, 2010
    Assignee: Pacesetter, Inc.
    Inventors: Jay Sundararajan, Ali Dianaty, Yougandh Chitre