Patents by Inventor Ganesh N. Kumar

Ganesh N. Kumar 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).

  • Hybrid multifocal contact lenses
    Publication number: 20040141150
    Abstract: The invention provides a multifocal ophthalmic lens that is a hybrid lens in that it combines both soft lens material and rigid lens material. The lens is more comfortable to wear than a rigid lens and yet it provides correction for astigmatism without the need for the addition of cylinder power.
    Type: Application
    Filed: January 21, 2003
    Publication date: July 22, 2004
    Inventors: Jeffrey H. Roffman, Ganesh N. Kumar, Scott C. Durland, Ture Kindt-Larsen, Timothy A. Poling, Edmund C. Rastrelli
  • Pupil regulated multifocal contact lenses
    Publication number: 20040085515
    Abstract: The invention provides a multifocal ophthalmic lens that both corrects for the wearer's refractive prescription and takes into account pupil size of a specific individual or of a population of individuals. The invention provides a lens having an optic zone having a substantially circular central zone containing over-refracted near vision power and a diameter of about 2.5 mm or less.
    Type: Application
    Filed: October 31, 2002
    Publication date: May 6, 2004
    Inventors: Jeffrey H. Roffman, Ganesh N. Kumar, Philippe Jubin, Timothy R. Poling, Michel Guillon