Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9683709 | LED lighting apparatus | Chung Hoon Lee, Dae-sung Cho, Sung Ho Jin | 2017-06-20 |
| 9423084 | Indirect lighting apparatus | Chung Hoon Lee, Hyuck Jung Choi, Eun Ju Kim | 2016-08-23 |