Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10382414 | Method, system and recording medium for service account authentication | — | 2019-08-13 |
| 10334118 | Method and system for providing video multimedia ringtone | Jung Guk Kim | 2019-06-25 |