Patents by Inventor Mushir Siddiqui

Mushir Siddiqui 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).

  • Lens mold for use in a contact lens inspection apparatus
    Patent number: 5882698
    Abstract: Collimated white light is transmitted through a transparent lens mold having a molded lens resting on a curved surface thereof. A telecentric lens and a camera having a digital output are used to view the illuminated lens to obtain pixel image data of the lens. The pixel image data is analyzed by a computer to detect deformities in the molded lens.
    Type: Grant
    Filed: August 21, 1996
    Date of Patent: March 16, 1999
    Assignee: CIBA Geigy Corporation
    Inventors: Kai C. Su, Jack C. White, Mushir Siddiqui
  • Contact lens inspection apparatus and lens mold for use in such apparatus
    Patent number: 5574554
    Abstract: Collimated white light is transmitted through a transparent lens mold having a molded lens resting on a curved surface thereof. A telecentric lens and a camera having a digital output are used to view the illuminated lens to obtain pixel image data of the lens. The pixel image data is analyzed by a computer to detect deformities in the molded lens.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: November 12, 1996
    Assignee: Ciba-Geigy AG
    Inventors: Kai C. Su, Jack C. White, Mushir Siddiqui