Patents by Inventor Tien Phuc Nguyen

Tien Phuc Nguyen 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).

  • IOL tumbling process
    Patent number: 5725811
    Abstract: A process of removing flash from a molded intraocular lens includes a step of tumbling the lens body in a tumbling media. The tumbling media includes a mixture of 0.5 mm diameter glass beads and 1.0 mm diameter glass beads, alcohol and water. This process applies to single piece and multipiece IOLs.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: March 10, 1998
    Assignee: Chiron Vision Corporation
    Inventors: Tien Phuc Nguyen, Michael W. Orchowski, Moises A. Valle