Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12013315 | Device for evaluating torsional structural performance of girder | Kil-hee Kim, Hyeong-gook Kim, Yong Jun Lee, Min Jun Kim, Dong Hwan Kim +2 more | 2024-06-18 |
| 11675109 | Display device | Duk-Jin Lee, Beong-Hun Beon, Je Seon YEON | 2023-06-13 |
| 8925141 | Vacuum cleaner having sterilization function | Joung-soo Park, Sung-Tae Joo, Hyun Ju Lee, Dong-houn Yang | 2015-01-06 |
| 8920549 | Wet-type dust collector for a vacuum cleaner | Joung-soo Park, Heung-Jun Park, Sung-Tae Joo, Dong-houn Yang | 2014-12-30 |
| 8914941 | Cyclone dust collecting apparatus and vacuum cleaner having the same | Joung-soo Park, Sung-Tae Joo, Hyun Ju Lee, Dong-houn Yang | 2014-12-23 |
| 8728222 | Wet type dust collector for vacuum cleaner | Joung-soo Park, Heung-Jun 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, Heung-Jun Park, Dong-houn Yang | 2014-02-25 |
| 8567007 | Air flow sensing unit and cleaning apparatus having the same | Hwa-gyu Song, Jang-keun Oh | 2013-10-29 |
| 8568500 | Multi-cyclone dust separator and a vacuum cleaner using the same | Jung-gyun Han, Jang-keun Oh | 2013-10-29 |
| 8240000 | Bypass type cleaning apparatus | Jang-keun Oh | 2012-08-14 |
| 8220108 | Cleaner apparatus | Jang-keun Oh, Hyun-Il Lee | 2012-07-17 |
| 8172932 | Connecting tube having dust sensing function for use in vacuum cleaner | Jang-keun Oh, Jin-gon Lee, Jung-gyun Han, Seung-Yong Cha | 2012-05-08 |
| 7971315 | Suction brush for vacuum cleaner | Jang-keun Oh | 2011-07-05 |
| 7921509 | Suction brush for use in vacuum cleaner and method of adjusting the height thereof | Jang-keun Oh | 2011-04-12 |
| 7879120 | Vacuum cleaner | Ji Ho Seo, Dong-hun Yoo | 2011-02-01 |
| 7854782 | Vacuum cleaner | Jang-keun Oh, Seung-Yong Cha, Hyoun-Soo Kim, Hyun Ju Lee | 2010-12-21 |
| 7812442 | High-power ball grid array package, heat spreader used in the BGA package and method for manufacturing the same | Heung-Kyu Kwon, Tae-Je Cho | 2010-10-12 |
| 7803205 | Multi-cyclone dust separating apparatus having a filter assembly | Jang-keun Oh | 2010-09-28 |
| 7785383 | Multi-cyclone dust separating apparatus and cleaner having the same | Jang-keun Oh | 2010-08-31 |
| 7776115 | Multi cyclone dust-separating apparatus of vacuum cleaner | Jang-keun Oh, Jung-gyun Han | 2010-08-17 |
| 7776116 | Cyclone dust-separating apparatus of vacuum cleaner | Jang-keun Oh | 2010-08-17 |
| 7771499 | Multi-cyclone dust separating apparatus of a vacuum cleaner | Jang-keun Oh | 2010-08-10 |
| 7744667 | Cyclone separating apparatus for a vacuum cleaner | Jang-keun Oh | 2010-06-29 |
| 7744668 | Multi-cyclone dust separating apparatus of vacuum cleaner | Jank-keun Oh | 2010-06-29 |
| 7708791 | Cyclone dust separating apparatus | Jang-keun Oh, Jung-Guyn Han, Hak-bong Lee | 2010-05-04 |