Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D595449 | LED lighting panel | Young-Wook Ko, Choong-Yong Sohn, Gi-Wook KANG, Young-Chang Kwon | 2009-06-30 |
| D595450 | LED lighting panel | Young-Wook Ko, Choong-Yong Sohn, Gi-Wook KANG, Young-Chang Kwon | 2009-06-30 |