Patents by Inventor Yun Chui Choi

Yun Chui Choi 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).

  • Electrochromic element and electrochromic device including the same
    Patent number: 11175560
    Abstract: In the electrochromic device according to an embodiment of the present application, when the first voltage is applied to the electrochromic device in a state that the electrochromic element has the first state, the electrochromic device becomes the second state, and when the first voltage is applied to the electrochromic element in a state that the electrochromic element has the fourth state, the electrochromic element becomes the third state.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: November 16, 2021
    Assignee: LeapHigh Inc.
    Inventors: Sang Hyun Park, Byoung Dong Kim, Hyun Jong Kim, Cheol Hwan Kim, Sang Woo Yoo, Yun Chui Choi, Sung Joong Kim, Kwang Jin Jeon, Hyeon Jun Kong, Jin Ah Sohn