Patents by Inventor Ting-Chiang Wu

Ting-Chiang Wu 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).

  • Color wheel
    Patent number: 7063425
    Abstract: A color wheel includes a carrier having a carrier surface, a color filter plate unit mounted coaxially on the carrier surface and having at least one first through hole, a press cover for covering the color filter plate unit, and a fixing unit. The press cover has at least one second through hole corresponding in position to the first through hole. The fixing unit extends through the first and second through holes, and is fixed to the carrier so as to position the color filter plate unit on the carrier.
    Type: Grant
    Filed: July 8, 2004
    Date of Patent: June 20, 2006
    Assignee: Asia Optical Co., INC
    Inventor: Ting-Chiang Wu
  • Color wheel
    Publication number: 20050168709
    Abstract: A color wheel includes a carrier having a carrier surface, a color filter plate unit mounted coaxially on the carrier surface and having at least one first through hole, a press cover for covering the color filter plate unit, and a fixing unit. The press cover has at least one second through hole corresponding in position to the first through hole. The fixing unit extends through the first and second through holes, and is fixed to the carrier so as to position the color filter plate unit on the carrier.
    Type: Application
    Filed: July 8, 2004
    Publication date: August 4, 2005
    Applicant: ASIA OPTICAL CO., INC.
    Inventor: Ting-Chiang Wu