Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10475859 | Organic light-emitting display apparatus | Wonwoo Choi, Seungwook Kwon, Sangbong Lee | 2019-11-12 |
| 10239161 | Stage for cutting substrate and substrate-cutting apparatus | Wonwoo Choi, Sangbong Lee | 2019-03-26 |