Patents by Inventor Ki-Young Cha

Ki-Young 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).

  • Skin care massager
    Patent number: D759261
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: June 14, 2016
    Assignee: YONWOO CO., LTD.
    Inventors: Su-Jin Son, Ki-Young Cha, Kyung-Hyun Park