Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297526 | Hybrid mask stick and mask frame assembly employing the same | Jaesoo Ha, Suhwan Lee, Sungho Seo | 2025-05-13 |
| 11970763 | Hybrid-type mask stick and mask frame assembly adopting the same | Suhwan Lee, Jaesoo Ha, Jinbaek Choi, Sangwoo Pyo | 2024-04-30 |
| 11939657 | Hybrid mask stick and mask frame assembly employing the same | Jaesoo Ha, Suhwan Lee, Sungho Seo | 2024-03-26 |
| 11538994 | Mask assembly and method for manufacturing the same | Jaesoo Ha, Suhwan Lee, Seungwook Chang | 2022-12-27 |