Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045139 | Exposure apparatus capable of asymmetrically adjusting light intensity | Byeong Ho Cho | 2011-10-25 |
| 8029949 | Photomask for forming contact hole in semiconductor device | Hyun Jo Yang | 2011-10-04 |