Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10139484 | Apparatus and method for wireless distance measurement | Jong-Ho Oh, Jung Min Yoon, Sang-Hyun Chang, Chang-yeul Kwon | 2018-11-27 |
| 9973886 | Wireless device searching apparatus and method in wireless communication system | Seok-Yong Lee, Sang-Hyun Chang, Ohyun Jo | 2018-05-15 |