Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9500962 | Mask clamping apparatus and method of manufacturing mask | — | 2016-11-22 |
| 8604489 | Mask frame assembly for thin layer deposition and method of manufacturing organic light emitting display device by using the mask frame assembly | Jae-Min Hong, Kyung-Han Kim | 2013-12-10 |