Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9569928 | Method for providing reward item of online game and apparatus for the same | Chul Lee | 2017-02-14 |
| 9457280 | Auto program preventing method for auction house for on-line game item and server therefor | Chul Lee | 2016-10-04 |
| 9342960 | Method and apparatus for managing item lottery service | Ki Cheol Jang | 2016-05-17 |
| 7537998 | Method for forming salicide in semiconductor device | Joon Hyeon Lee | 2009-05-26 |
| 7262103 | Method for forming a salicide in semiconductor device | Joon Hyeon Lee | 2007-08-28 |
| 6503000 | Pan/tilt camera | — | 2003-01-07 |