Patents by Inventor William Charles Banyai

William Charles Banyai 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).

  • Composite holographic multifocal lens
    Publication number: 20010050751
    Abstract: The invention provides an optical lens having a combination volume holographic optical element that provides a diffractive optical power. The optical lens has a programmed activating angle in which the holographic optical element provides a diffractive optical power. The invention also provides a method for producing a multilayer holographic element suitable for the optical lens.
    Type: Application
    Filed: August 1, 2001
    Publication date: December 13, 2001
    Inventors: William Charles Banyai, Juergen Vogt, Donald Sweeney, Xiaoxiao Zhang