Patents by Inventor Jeeyoung Ahn

Jeeyoung Ahn 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).

  • Cellulose Acetate Film
    Publication number: 20110114901
    Abstract: Provided is a cellulose acetate film for optical compensation, which has a low retardation value Rth in the film thickness direction.
    Type: Application
    Filed: July 8, 2009
    Publication date: May 19, 2011
    Applicant: SK ENERGY CO., LTD.
    Inventors: Kinam Chung, Myounglae Kim, Jeeyoung Ahn, Hyukjun Kim, Wonseok Jang
  • Cellulose Acetate Film
    Publication number: 20110108780
    Abstract: Provided is a cellulose acetate film for optical compensation, which has a low retardation value Rth in the film thickness direction.
    Type: Application
    Filed: July 8, 2009
    Publication date: May 12, 2011
    Applicant: SK ENERGY CO., LTD.
    Inventors: Kinam Chung, Myounglae Kim, Jeeyoung Ahn, Hyukjun Kim, Wonseok Jang