Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9829712 | Laser optical system and laser annealing device including the same | Joowoan Cho, Sanghoon Ahn, Byoungho Cheong | 2017-11-28 |
| 9786499 | Method of manufacturing a substrate having a crystallized layer and a laser crystallizing apparatus for the same | Joowoan Cho, Byoungho Cheong, Jeongkyun Na, Sanghoon Ahn, Hyunjin Cho | 2017-10-10 |
| 9633845 | Method of manufacturing a substrate having a crystallized layer and a laser crystallizing apparatus for the same | Joowoan Cho, Byoungho Cheong, Jeongkyun Na, Sanghoon Ahn, Hyunjin Cho | 2017-04-25 |