Patents by Inventor Dennis C. Cheung

Dennis C. Cheung 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).

  • Patent number: 9694180
    Abstract: A method of testing subjects' perception of complex shapes created by patterned multi-electrode direct stimulation of a retinal prosthesis is described. The complex shapes can be geometric shapes or characters such as letters of the alphabet and numbers.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: July 4, 2017
    Assignee: Second Sight Medical Products, Inc.
    Inventors: Dennis C. Cheung, Jessy Dorn
  • Publication number: 20110270351
    Abstract: A method of testing subjects' perception of complex shapes created by patterned multi-electrode direct stimulation of a retinal prosthesis is described. The complex shapes can be geometric shapes or characters such as letters of the alphabet and numbers.
    Type: Application
    Filed: April 29, 2011
    Publication date: November 3, 2011
    Inventors: Dennis C. Cheung, Jessy Dorn