Patents by Inventor Hyeon-Sik Yun

Hyeon-Sik Yun 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).

  • Patent number: D741938
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: October 27, 2015
    Assignee: SAMYANG OPTICS CO., LTD
    Inventors: Jung-Du Lee, Hyeon-Sik Yun