Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12348470 | Instant messaging server providing multiple types of chat rooms | Eun Hye Kim | 2025-07-01 |
| 12323374 | Method and apparatus for messaging service | Eun Hye Kim, Seok-Gyu Lee, Sul Gi Kim, In Hae Choi, Tae Jun Choi +1 more | 2025-06-03 |
| 12299059 | Method and apparatus for messaging service | Eun Hye Kim, Seok-Gyu Lee, Sul Gi Kim, In Hae Choi, Chang Hyuk One | 2025-05-13 |
| 12126579 | Method and apparatus for messaging service | Dong Hyun Ban, Dong Hee Hong, Hui Kim, Na Young Kim | 2024-10-22 |
| 12095714 | Method and apparatus for messaging service | Eun Hye Kim, Seok-Gyu Lee, Sul Gi Kim, In Hae Choi | 2024-09-17 |
| 11824823 | Instant messaging server providing multiple types of chat rooms | Eun Hye Kim | 2023-11-21 |
| 11330444 | Cognitive radio communication control device for determining cognitive radio terminal and cognitive radio terminal determining method | Seong-Lyun Kim, Jee Min Kim | 2022-05-10 |
| 11071110 | Method and device for allocating dynamic frequency for secondary user in cognitive radio network | Seong-Lyun Kim, Jee Min Kim, Hye-Sung Kim, Seung-Woo Ko | 2021-07-20 |