Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11663649 | Digital price display system based on NFC and Bluetooth | — | 2023-05-30 |
| 7872202 | Inputting device | Gi Lyong Na, Wook Hee Lee, Young Jin Jun, Sung-Hwar Yim | 2011-01-18 |
| 6074519 | Plasma etching apparatus having a sealing member coupling an upper electrode to an etching chamber | Se-Hyeong Lee, Jong-Heui Song | 2000-06-13 |