Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8915616 | Lighting apparatus having a drain structure | Jinsung Kwak, Yongjin Kim, Jongkyo Jeong | 2014-12-23 |
| 8764244 | Light module and module type lighting device | Yongjin Kim, Jeongsoo Lee, Youngjae Cho, Moonsung Cho | 2014-07-01 |
| 8764254 | Lighting apparatus | Kyunghyun Kim, Sejoon You, Kyungnam Park | 2014-07-01 |
| 8602594 | Lighting device | Yongjin Kim, Jeongsoo Lee, Youngjae Cho, Moonsung Cho | 2013-12-10 |