Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8920549 | Wet-type dust collector for a vacuum cleaner | Min-ha Kim, Joung-soo Park, Sung-Tae Joo, Dong-houn Yang | 2014-12-30 |
| 8728222 | Wet type dust collector for vacuum cleaner | Min-ha Kim, Joung-soo Park, Sung-Tae Joo, Dong-houn Yang | 2014-05-20 |
| 8657899 | Dust collector comprising a handle unit and intended for a vacuum cleaner | Sung-Tae Joo, Joung-soo Park, Min-ha Kim, Dong-houn Yang | 2014-02-25 |
| 8049745 | Display apparatus and control method thereof | Young-chan Kim | 2011-11-01 |