Patents by Inventor Sing Ngai Kam

Sing Ngai Kam 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).

  • Film holder and flatbed type image scanner
    Patent number: 7880939
    Abstract: A film holder is adapted to be placed on a manuscript table of a flatbed type image scanner. The film holder includes: a main body, adapted to hold a film on the manuscript table; and a spacer, configured for changing a distance between the film and the manuscript table, and removably attached to the main body by a snap fit.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: February 1, 2011
    Assignee: Seiko Epson Corporation
    Inventor: Sing Ngai Kam