Patents by Inventor Sergey Fedotov

Sergey Fedotov 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).

  • Polymer-small molecule film or coating having reverse or flat dispersion of retardation
    Patent number: 9829617
    Abstract: The present disclosure relates to a retarder plate with adjustable dispersion of retardation. The retarder can form a quarter-wave plate that exhibits a reverse or flat dispersion of retardation.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: November 28, 2017
    Assignee: LIGHT POLYMERS HOLDING
    Inventors: Evgeny Morozov, Valeriy Kuzmin, Sergey Fedotov
  • POLYMER-SMALL MOLECULE FILM OR COATING HAVING REVERSE OR FLAT DISPERSION OF RETARDATION
    Publication number: 20160131812
    Abstract: The present disclosure relates to a retarder plate with adjustable dispersion of retardation. The retarder can form a quarter-wave plate that exhibits a reverse or flat dispersion of retardation.
    Type: Application
    Filed: January 6, 2015
    Publication date: May 12, 2016
    Inventors: Evgeny Morozov, Valeriy Kuzmin, Sergey Fedotov
  • BIREFRINGENT POLYARAMIDE COATED LIGHT GUIDE
    Publication number: 20150370001
    Abstract: A light guide includes a birefringent polyaramide layer on a major surface of the light guide. The birefringent polyaramide layer has a refractive index greater than 1.55 and a birefringence of at least 0.1.
    Type: Application
    Filed: November 5, 2014
    Publication date: December 24, 2015
    Inventors: Evgeny Morozov, Sergey Fedotov, Joseph McConnaughey