Patents by Inventor Kuo-Tai Yeh

Kuo-Tai Yeh 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).

  • Task light
    Patent number: 8201956
    Abstract: A task lighting apparatus produces glare-free illumination of a work area. The apparatus includes a shade defining a cavity having an opening, a light source positioned to emit light into the cavity, and a glare control member disposed within the opening wherein the diffuser comprises a louvered array of dual brightness enhancement film.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: June 19, 2012
    Assignee: 3M Innovative Properties Company
    Inventor: Kuo-Tai Yeh
  • TASK LIGHT
    Publication number: 20100277888
    Abstract: A task lighting apparatus produces glare-free illumination of a work area. The apparatus includes a shade defining a cavity having an opening, a light source positioned to emit light into the cavity, and a glare control member disposed within the opening wherein the diffuser comprises a louvered array of dual brightness enhancement film.
    Type: Application
    Filed: April 29, 2010
    Publication date: November 4, 2010
    Inventor: Kuo-Tai YEH