Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10684367 | Ultrasound sensor and object detecting method thereof | Sung-do CHOI, Moon-sik Jeong, Hyun-soo CHOI | 2020-06-16 |
| 9785288 | Touch screen apparatus and control method thereof | Sung-do CHOI | 2017-10-10 |