Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9673884 | User device and operating method therefor | Dae-Chul Kang, Soo-Hyung Kim, Tae Il Kim, Jong-Kui Park | 2017-06-06 |
| 7602344 | Portable terminal with variable ground unit | Jong-Kui Park, Dae-Chul Kang, Yue-Il Youn, Seung-Han Seo | 2009-10-13 |
| 7545331 | Antenna device for portable terminal | Dae-Chul Kang, Yong Jin Kim, Yu Jin Chung, Tae-Hui Cho | 2009-06-09 |
| 7425923 | Combined DMB and mobile communication antenna apparatus for mobile communication terminal | Yun-Kyoung Ko, Yue-Il Youn, Tae-Hui Cho, Dae-Chul Kang, Jung-Cheon Choi | 2008-09-16 |