Patents by Inventor James J. Zhang

James J. Zhang 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).

  • Integral lens attachment, sunshade and camera lens cover
    Patent number: 7198417
    Abstract: A camera lens attachment (5) having an attaching member (90), additional lens (49), a lens cover (10) doubling as a sunshade, and additional shading components (12) all in an integral combination which is easily attachable or removable from a camera.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: April 3, 2007
    Inventor: James J. Zhang