Patents by Inventor Tik Yuen Chan

Tik Yuen Chan 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).

  • Method of changing the density of an embroidery stitch group
    Patent number: 6253695
    Abstract: A method of changing the density of an embroidery stitch group for use with an electronically controlled embroidery machine. The type of stitch is first recognized, then its points and locations and the penetration point of the inside line and the outline of the stitch is determined. Stitches in the closest relative lines are then copied, moved or removed to increase or decrease the density of the stitch group.
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: July 3, 2001
    Inventors: Tik Yuen Chan, King Wa Leung, Wei Wang