Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9523492 | Lighting apparatus | Jeongseok Ha, Yongjin Kim | 2016-12-20 |
| 8915616 | Lighting apparatus having a drain structure | Yongseog Jeon, Jinsung Kwak, Yongjin Kim | 2014-12-23 |
| 8545065 | Lighting apparatus | Kyunghyun Kim, Yonseog Jeon, Kyungnam Park, Hongseok Kim | 2013-10-01 |