Patents by Inventor Sergey Vasilyevich Belyaev

Sergey Vasilyevich Belyaev 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).

  • Compensator comprising a positive and negative birefringent retardation film
    Patent number: 7283188
    Abstract: The invention relates to a compensator comprising a positive and a negative birefringent retardation film, its use in displays and optical elements, and to displays comprising such a compensator.
    Type: Grant
    Filed: May 19, 2003
    Date of Patent: October 16, 2007
    Assignees: Merck Patent GmbH, LG Chemical Ltd.
    Inventors: Jeong Su Yu, Sergey Vasilyevich Belyaev, Byoung Kun Jeon, Karl Skjonnemand, Tara Perrett, Owain Parri
  • Compensator comprising a positive and negative birefringent retardation film
    Publication number: 20040051831
    Abstract: The invention relates to a compensator comprising a positive and a negative birefringent retardation film, its use in displays and optical elements, and to displays comprising such a compensator.
    Type: Application
    Filed: May 19, 2003
    Publication date: March 18, 2004
    Applicants: Merck Patent GmbH, LG Chemical Ltd.
    Inventors: Jeong Su Yu, Sergey Vasilyevich Belyaev, Byoung Jeon, Karl Skjonnemand, Tara Perrett, Owain Parri