Patents by Inventor Shiao-Tsing David Chiang

Shiao-Tsing David Chiang 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).

  • Wetcell device for inspection
    Publication number: 20020196429
    Abstract: The invention provides an inspection cell for inspecting an ophthalmic lens. The inspection cell is a solid block that has a bottom planar surface, a top surface, and an indentation in the top surface. The indentation is adapted to receive an ophthalmic lens. which is to be inspected. The invention additionally provides an inspection unit for an ophthalmic lens, which holds one or more of the inspection cells.
    Type: Application
    Filed: July 3, 2002
    Publication date: December 26, 2002
    Inventors: Todd Aldridge Russell, Shiao-Tsing David Chiang
  • Wetcell device for inspection
    Publication number: 20010019406
    Abstract: The invention provides an inspection cell for inspecting an ophthalmic lens. The inspection cell is a solid block that has a bottom planar surface, a top surface, and an indentation in the top surface. The indentation is adapted to receive an ophthalmic lens, which is to be inspected. The invention additionally provides an inspection unit for an ophthalmic lens, which holds one or more of the inspection cells.
    Type: Application
    Filed: May 16, 2001
    Publication date: September 6, 2001
    Inventors: Todd Aldridge Russell, Shiao-Tsing David Chiang
  • Wetcell device for inspection
    Patent number: 6259518
    Abstract: The invention provides an inspection cell for inspecting an ophthalmic lens. The inspection cell is a solid block that has a bottom planar surface, a top surface, and an indentation in the top surface. The indentation is adapted to receive an ophthalmic lens, which is to be inspected. The invention additionally provides an inspection unit for an ophthalmic lens, which holds one or more of the inspection cells.
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: July 10, 2001
    Assignee: Novartis AG
    Inventors: Todd Aldridge Russell, Shiao-Tsing David Chiang