Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047428 | Cash transaction machine | Kyoung Bin Im, Won Joon Lee, Jin Hwan Cha, Young Il Choi | 2011-11-01 |
| 7942404 | Device of supplying paper medium | Jin Hwan Cha, Won Joon Lee | 2011-05-17 |
| 7891553 | Device of supplying paper medium | Won Joon Lee, Jin Hwan Cha, Young Il Choi | 2011-02-22 |