Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12268965 | Interactive talk game system and method | — | 2025-04-08 |
| 10124245 | Quiz game providing system using user creating quiz game set and method thereof | — | 2018-11-13 |
| 9980044 | Balance adjustment control method for sound/illumination devices | Ju Sang Kim | 2018-05-22 |
| 8718604 | Method and apparatus for providing alternative telephony service, and method of computing inverse call charge using the same | — | 2014-05-06 |