Patents by Inventor Kwak Ji Ho

Kwak Ji Ho 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).

  • Valve
    Patent number: D886248
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: June 2, 2020
    Assignee: Essentech. Co., LTD.
    Inventors: Kwak Ji Ho, Choi Jung-Hoon, Seong Ha-Yeong
  • Valve
    Patent number: D886250
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: June 2, 2020
    Assignee: Essentech. Co., LTD.
    Inventors: Kwak Ji Ho, Choi Jung-Hoon, Seong Ha-Yeong
  • Valve
    Patent number: D914165
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: March 23, 2021
    Assignee: Essen Tech Co., Ltd.
    Inventors: Kwak Ji Ho, Choi Jung-Hoon, Seong Ha-Yeong