Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11115393 | Message server, method for operating message server and computer-readable recording medium | Jong Il Won | 2021-09-07 |
| 10230697 | User terminals, and methods and computer-readable recording mediums storing computer programs for transmitting and receiving messages | Jong Il Won | 2019-03-12 |