Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312511 | Mask film and method for manufacturing polarizing plate by using same | Byung Sun Lee, Jaehong Park, Kyun Il Rah | 2025-05-27 |
| 10436960 | Methods for manufacturing polarizing element, polarizing element roll and single sheet type polarizing element having local bleaching areas | Beom Seok Lee, Eung Jin Jang, Kyun Il Rah, Hyung Koo Kang, Byung Sun Lee +1 more | 2019-10-08 |
| 10429560 | Methods for manufacturing polarizing element, polarizing element roll and single sheet type polarizing element having local bleaching areas | Beom Seok Lee, Eung Jin Jang, Kyun Il Rah, Hyung Koo Kang, Byung Sun Lee +1 more | 2019-10-01 |