Patents by Inventor Dong Ryu Cha

Dong Ryu Cha 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).

  • Cover for a mobile device
    Patent number: D768638
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: October 11, 2016
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Ilchan Lee, Dong Ryu Cha, Yoon Jung Byun