Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391059 | Forgery prevention apparatus to prevent delamination and forgery authentication method using the same | Ju Young Lee | 2025-08-19 |
| 9189981 | Display method, film and display device using magnetic particles | Jae Hyun Joo, Do Hyun Kim, Youn Jung Park | 2015-11-17 |
| 8537453 | Display method and device using photonic crystal characteristics | Jae Hyun Joo, Jin Ha Kal, Da Hyeon Go | 2013-09-17 |
| 8238022 | Display method and device using photonic crystal characteristics | Jae Hyun Joo, Jin Ha Kal, Da Hyeon Go | 2012-08-07 |
| 8004178 | Organic light emitting diode display with a power line in a non-pixel region | — | 2011-08-23 |