Patents by Inventor Ying-Hwa Hwang

Ying-Hwa Hwang 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).

  • Optical data recording medium
    Publication number: 20020055012
    Abstract: An optical data recording medium includes a light transmittable plastic substrate, and a recording layer formed on the plastic substrate and containing a hydrogenated amorphous material that is selected from a group consisting of hydrogenated amorphous carbon, hydrogenated amorphous silicon carbide, hydrogenated amorphous boron carbide, hydrogenated amorphous boron nitride, hydrogenated amorphous silicon, and hydrogenated amorphous germanium.
    Type: Application
    Filed: July 10, 2001
    Publication date: May 9, 2002
    Inventors: Lih-Hsin Chou, Ying-Hwa Hwang, Min-Hua Lin, Yao-Chang Wang, Lih-Hsiung Chan