Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11770352 | Method and apparatus for providing chat service including expression items | — | 2023-09-26 |
| 11366846 | Apparatus and a method for providing expression item services which constructing digital communication environments | Woo Won Hwang | 2022-06-21 |