Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12118429 | Service providing method based on digital card connected to digital code and apparatus for performing the method | Na Yeong HONG, Sang Chul Lee, Hae Won Sim, Min Ji JO, Seung Hyun KO | 2024-10-15 |
| 11451504 | Method and apparatus for operating instant messaging server | Myung Jun Kim, Myung O Ha, Jin Hwan Lee, Chun Ho Kim, Soo-Bum Kim +2 more | 2022-09-20 |