Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D616085 | Water-charger for robotic air purifier | Ji-Hyun Moon, Kyu Young Hong, Joong Yeal Choi, Dong-Kyu Lee | 2010-05-18 |
| D577707 | Portable translation machine | Dong-Kyu Lee | 2008-09-30 |
| 7343221 | Control system of a robot cleaner | — | 2008-03-11 |
| D557316 | Projector for computer | Yong-Seok Bang | 2007-12-11 |