Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045139 | Exposure apparatus capable of asymmetrically adjusting light intensity | Dong Sook Chang | 2011-10-25 |
| 7999399 | Overlay vernier key and method for fabricating the same | Sung Woo Ko | 2011-08-16 |