| 11751285 |
Method and apparatus for connecting user terminals as a group and providing service including contents associated with the group |
Dongwon Lee, Jungjun Park, In Won Cho |
2023-09-05 |
| 11337272 |
Method and apparatus for connecting user terminals as a group and providing service including contents associated with the group |
Dongwon Lee, Jungjun Park, In Won Cho |
2022-05-17 |
| 11268822 |
Method and system for navigation using video call |
Dongwon Lee, Jungjun Park, In Won Cho |
2022-03-08 |
| 11223662 |
Method, system, and non-transitory computer readable record medium for enhancing video quality of video call |
In Won Cho, Jungjun Park, Dongwon Lee |
2022-01-11 |
| 11032408 |
Method and system for automatically connecting calls of voice over internet protocol (VOIP) service |
Jungjun Park, Dongwon Lee, In Won Cho |
2021-06-08 |