Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10097956 | Method and device for determining distance between devices | Ho-sik Cho, Zili Chen, Hyun-cheol Park, Won S. Lee | 2018-10-09 |
| 9749799 | Method and device for determining distance between devices | Ho-sik Cho, Zili Chen, Hyun-cheol Park, Won S. Lee | 2017-08-29 |