Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8629852 | Touch screen and method for compensating sensing capacitance variations and offset variations thereof | Oh-Kyong Kwon, Jang Hyun Park, Chang Sun Kim | 2014-01-14 |
| 8018267 | Frequency conversion mixer | Yun-Mo Kang, Tae-Yeoul Yun, Hee Woo AN, Chang Sun Kim, Seong Hoon Choi | 2011-09-13 |