Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7871069 | Sheet roller | Dong-Sik Lee, Won Joon Lee | 2011-01-18 |
| 7006137 | Micro mode focusing apparatus for digital still camera using focus driving motor | Young Jun Kim | 2006-02-28 |