Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10992626 | Method of providing instant messaging service for secret message and user device for performing the method | So Young Choi, Bo Mi Kim, Un Bong Kang, Jung-Ho Song, Ji Na Kim +1 more | 2021-04-27 |