Patents by Inventor Hyun Hah Hong

Hyun Hah 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).

  • Bias voltage stabilizing method for electricity-optical modulator based on off-level sampling
    Patent number: 6317247
    Abstract: A bias voltage stabilizing method for an electricity-optical modulator based on an off-level sampling is disclosed.
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: November 13, 2001
    Assignees: Electronics and Telecommunications Research Institute, Korea Telecom
    Inventors: Choong Reul Yang, Wol Yon Hwang, Hyun Hah Hong, Sun Gyu Han, Heuk Park