Patents by Inventor Dong O Hwang

Dong O Hwang 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).

  • Digital audio player
    Patent number: D966227
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: October 11, 2022
    Inventor: Dong O Hwang
  • Charging case for wireless earphone
    Patent number: D995425
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: August 15, 2023
    Inventor: Dong O Hwang
  • Wireless earphone
    Patent number: D995493
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: August 15, 2023
    Inventor: Dong O Hwang
  • Digital audio player
    Patent number: D998583
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: September 12, 2023
    Inventor: Dong O Hwang
  • Earphone
    Patent number: D999195
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: September 19, 2023
    Inventor: Dong O Hwang