Patents by Inventor Ramanujam Veddantham

Ramanujam Veddantham 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).

  • SAPPHIRE SUBSTRATES AND METHODS OF MAKING SAME
    Publication number: 20120289126
    Abstract: A sapphire substrate includes a generally planar surface having a crystallographic orientation selected from the group consisting of a-plane, r-plane, m-plane, and c-plane orientations, and having a nTTV of not greater than about 0.037 ?m/cm2, wherein nTTV is total thickness variation normalized for surface area of the generally planar surface, the substrate having a diameter not less than about 9.0 cm.
    Type: Application
    Filed: May 15, 2012
    Publication date: November 15, 2012
    Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Brahmanandam V. Tanikella, Palaniappan Chinnakaruppan, Robert A. Rizzuto, Isaac K. Cherian, Ramanujam Veddantham