Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9672483 | Method of providing activity notification and device thereof | Hyun-soo NAH, Jong-hyun Ryu, Sang-ok Cha, Seung-eok Choi, Won-young Choi | 2017-06-06 |
| 9629120 | Method and apparatus for providing notification | Jong-hyun Ryu | 2017-04-18 |
| 9622214 | Method and apparatus for providing notification | Jong-hyun Ryu | 2017-04-11 |