Patents by Inventor Yong E. Chen

Yong E. Chen 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).

  • Structure for protecting reading area of compact disc and device for applying same
    Patent number: 6192025
    Abstract: A structure for protecting the reading area of a compact disc includes a transparent protective film and a two-side-adhesive ring. The protective film has an outer diameter equal to or slightly smaller than the outer diameter of the compact disc, and a center hole with a diameter greater than the protruded ring of the compact disc. The two-side-adhesive ring has an inner diameter equal to or slightly greater than the protruded ring of the compact disc, and an outer diameter greater than the inner diameter thereof by 2-5 mm. The structure is applied by an applicator to the compact disc such that the protective film is attached to the reading area of the compact disc by static attraction, and further that the inner annular portion of the protective film is held by the two-side-adhesive ring adhering to the annular portion surrounding the protruded ring of the compact disc.
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: February 20, 2001
    Inventor: Yong E. Chen
  • Video tape cleaner
    Patent number: D325736
    Type: Grant
    Filed: August 3, 1989
    Date of Patent: April 28, 1992
    Inventor: Yong E. Chen
  • Compact disc cleaner
    Patent number: D366737
    Type: Grant
    Filed: July 18, 1994
    Date of Patent: January 30, 1996
    Inventor: Yong E. Chen