Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8939614 | Light guide panel and apparatus for forming pattern on light guide panel | Choongyop Rhew, Kiyong Baek, Daisoung Park | 2015-01-27 |
| 8764427 | Apparatus for forming pattern using laser | Choongyop Rhew, Daisoung Park, Wonmyeong Kang | 2014-07-01 |
| 8592718 | Apparatus for forming pattern using laser | Choongyop Rhew, Daisoung Park, Wonmyeong Kang | 2013-11-26 |
| 8278596 | Apparatus for forming pattern using laser | Choongyop Rhew, Daisoung Park, Wonmyeong Kang | 2012-10-02 |
| 8247736 | Apparatus for forming pattern on light guide panel | Choongyop Rhew, Daisoung Park, Wonmyeong Kang | 2012-08-21 |