Patents by Inventor Valdemer Portney

Valdemer Portney 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).

  • MATERIALS FOR USE IN ACCOMMODATING INTRAOCULAR LENS SYSTEM
    Publication number: 20130013060
    Abstract: There is disclosed an accommodating intraocular lens for implantation in an eye having an optical axis. The lens comprises an anterior portion which in turn comprises an anterior viewing element and an anterior biasing element. The lens further comprises a posterior portion which in turn comprises a posterior viewing element in spaced relationship to the anterior viewing element and a posterior biasing element. The anterior portion and posterior portion meet at first and second apices of the intraocular lens. The anterior portion and the posterior portion and/or the apices are responsive to force thereon to cause the separation between the viewing elements to change. Additional embodiments and methods are also disclosed.
    Type: Application
    Filed: May 24, 2012
    Publication date: January 10, 2013
    Applicant: Visiogen, Inc.
    Inventors: Gholam-Reza Zadno-Azizi, Albert C. Ting, Tuan Anh Nguyen, Valdemer Portney