Patents by Inventor Seong Woon Yang

Seong Woon Yang 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).

  • PLC having power failure compensation function and power failure compensation method
    Patent number: 6038669
    Abstract: A PLC having a power failure compensation function and a power failure compensation method which are capable of implementing the continuity of a program operation when a power failure occurs.
    Type: Grant
    Filed: December 11, 1997
    Date of Patent: March 14, 2000
    Assignee: LG Industrial Systems Co., Ltd.
    Inventor: Seong Woon Yang