Patents by Inventor S. Dutta Gupta

S. Dutta Gupta 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).

  • Publication number: 20090323190
    Abstract: An antireflective coating is disclosed having at least one layer of a first material with a first index of refraction and a first thickness, the first index of refraction and first thickness substantially conforming to a refractive index profile matching a reflectionless potential.
    Type: Application
    Filed: April 24, 2007
    Publication date: December 31, 2009
    Inventors: S. Dutta Gupta, Girish S. Agarwal