Patents by Inventor Chi-Sun Hong

Chi-Sun Hong 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).

  • Photoresist compositions
    Patent number: 7122291
    Abstract: The present invention provides for a photoresist composition comprising a mixture of two different copolymers.
    Type: Grant
    Filed: August 2, 2004
    Date of Patent: October 17, 2006
    Assignee: AZ Electronic Materials USA Corp.
    Inventors: Munirathna Padmanaban, Guanyang Lin, Takanori Kudo, Chi-Sun Hong, M. Dalil Rahman
  • Photoresist compositions
    Publication number: 20060024610
    Abstract: The present invention provides for a photoresist composition comprising a mixture of two different copolymers.
    Type: Application
    Filed: August 2, 2004
    Publication date: February 2, 2006
    Inventors: Munirathna Padmanaban, Guanyang Lin, Takanori Kudo, Chi-Sun Hong, M. Dalil Rahman