Patents by Inventor Won Jo Joo

Won Jo Joo 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).

  • Method for manufacturing lighting button key
    Patent number: 10297403
    Abstract: A method for manufacturing a lighting button key is provided. The method includes forming a button body by processing a metal plate, attaching a thin film to the button body and performing double etching on a rear surface of the button body to process a symbol pattern. Additionally, the method includes press-forming the rear surface of the button body and an injection material of a transparent or translucent material into the rear surface of the button body to perform injection molding.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: May 21, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Daesung Electric Co., Ltd.
    Inventors: Young Ju Lee, Chang Hyeon Noh, Hye Kyung Kim, Dae Ig Jung, Keon Soo Jin, Hak Soo Kim, Won Jo Joo
  • METHOD FOR MANUFACTURING LIGHTING BUTTON KEY
    Publication number: 20170330703
    Abstract: A method for manufacturing a lighting button key is provided. The method includes forming a button body by processing a metal plate, attaching a thin film to the button body and performing double etching on a rear surface of the button body to process a symbol pattern. Additionally, the method includes press-forming the rear surface of the button body and an injection material of a transparent or translucent material into the rear surface of the button body to perform injection molding.
    Type: Application
    Filed: October 21, 2016
    Publication date: November 16, 2017
    Inventors: Young Ju Lee, Chang Hyeon Noh, Hye Kyung Kim, Dae Ig Jung, Keon Soo Jin, Hak Soo Kim, Won Jo Joo