Patents by Inventor Gunner E. Hedin

Gunner E. Hedin 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).

  • Method and device for reduction of polarization-dependent effects in a tunable optical component
    Patent number: 7656574
    Abstract: A device and a method for reducing polarization-dependent effects in dynamical optical components based on surface modulation of a polymer gel or membrane is disclosed. The device and method modifies, removes or leads away unwanted reflections from incident light or information carrier communicating with said optical component.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: February 2, 2010
    Assignee: Photonyx AS
    Inventors: Even Zimmer, Vladimir Kartashov, Trond Naterstad, Gunner E. Hedin, Bengt Jacobson