Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6841963 | Robot cleaner, system thereof and method for controlling same | Jeong-gon Song, Kwang Su KIM | 2005-01-11 |
| 6732826 | Robot cleaner, robot cleaning system and method for controlling same | Jeong-gon Song, Seung-Bin Moon, Kyoung Mu Lee | 2004-05-11 |
| 6640385 | Cyclone dust collecting apparatus for a vacuum cleaner | Jang-keun Oh | 2003-11-04 |
| 6611120 | Robot cleaning system using mobile communication network | Jeong-gon Song, Sang Yong Lee | 2003-08-26 |
| 6406505 | Vacuum cleaner having a cyclone type dust collecting apparatus | Jang-keun Oh, Kyu-Chang Park | 2002-06-18 |