Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11443611 | Method of providing activity notification and device thereof | Hyun-soo NAH, Jong-hyun Ryu, Sang-ok Cha, Seung-eok Choi, Won-young Choi | 2022-09-13 |
| 11445475 | Method and apparatus for providing notification | Jong-hyun Ryu | 2022-09-13 |