Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9847637 | Changeover method of HVDC transmission system | Eung Soo Kim, Seung Hun Lee | 2017-12-19 |
| 9848259 | Loudspeaker | Gyeong-tae Lee, Dong-Kyu Park, Sung-ha Son | 2017-12-19 |
| D782445 | Speaker | Dae Kyung Ahn, Dae-Joung Kim, Sang-Sung Woo, Jong-in Jo, Sung-Joo Kim +3 more | 2017-03-28 |
| D781820 | Speaker | Dae Kyung Ahn, Dae-Joung Kim, Sang-Sung Woo, Jong-in Jo, Sung-Joo Kim +3 more | 2017-03-21 |
| 9583645 | Photovoltaic system | Dong Hyun Kim, Jong Kug Seon | 2017-02-28 |
| D778260 | Speaker | Dae Kyung Ahn, Dae-Joung Kim, Sang-Sung Woo, Jong-in Jo, Sung-Joo Kim +3 more | 2017-02-07 |