Patents by Inventor Hwa-Kwang Pyun

Hwa-Kwang Pyun 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).

  • AROMATIC RESINS FOR UNDERLAYERS
    Publication number: 20160215090
    Abstract: Polymeric reaction products of certain aromatic alcohols with certain diaryl-substituted aliphatic alcohols are useful as underlayers in semiconductor manufacturing processes.
    Type: Application
    Filed: April 7, 2016
    Publication date: July 28, 2016
    Inventors: Seon-Hwa HAN, Sung Wook Cho, Hwa-Kwang Pyun, Jung-June Lee, Shintaro Yamada