Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7662202 | Dust collector of vacuum cleaner | Jang-keun Oh, Seoung-yun Seol, Kwang Su Heo | 2010-02-16 |
| 7631394 | Suction brush for vacuum cleaner | Jang-keun Oh, Dong-houn Yang | 2009-12-15 |
| 7604674 | Dust separating apparatus | Jung-gyun Han, Jang-keun Oh | 2009-10-20 |
| 7594943 | Cyclone dust separating apparatus | Jang-keun Oh, Jung-Guyn Han, Hak-bong Lee | 2009-09-29 |
| 7582129 | Multi-cyclone dust separating apparatus | Jung-gyun Han, Jang-keun Oh | 2009-09-01 |
| 7562414 | Dust sensing unit for use in vacuum cleaner | Jang-keun Oh, Jin-gon Lee, Jung-gyun Han, Seung-Yong Cha | 2009-07-21 |
| 7559965 | Cyclonic separating apparatus for vacuum cleaner which is capable of separately collecting water from dust | Jang-keun Oh | 2009-07-14 |
| 7547338 | Multi dust-collecting apparatus | Jung-gyun Han, Jang-keun Oh | 2009-06-16 |
| 7470299 | Multi-cyclone dust separator and a vacuum cleaner using the same | Jung-gyun Han, Jang-keun Oh | 2008-12-30 |
| 7462212 | Cyclone dust separating apparatus for vacuum cleaner and vacuum cleaner having the same | Jung-gyun Han, Jang-keun Oh | 2008-12-09 |
| 7381247 | Cyclone dust collecting device for vacuum cleaner | Jung-gyun Han, Jang-keun Oh | 2008-06-03 |
| 7381233 | Dust collecting apparatus for vacuum cleaner | Jang-keun Oh | 2008-06-03 |
| 7381248 | Cyclone dust-separating apparatus with discharge electrodes | Jung-gyun Han, Jang-keun Oh | 2008-06-03 |
| 7258808 | 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 | 2007-08-21 |
| 7078800 | Semiconductor package | Heung-Kyu Kwon, Se-Yong Oh, Tae-Je Cho | 2006-07-18 |
| 6952050 | Semiconductor package | Heung-Kyu Kwon, Se-Yong Oh, Tae-Je Cho | 2005-10-04 |
| 6781849 | Multi-chip package having improved heat spread characteristics and method for manufacturing the same | Joong-Hyun Baek, Tae-koo Lee, Yun-Hyeok Im | 2004-08-24 |
| 6498388 | Semiconductor module with improved solder joint reliability | Joong-Hyun Baek | 2002-12-24 |
| 6498395 | Heat sink with cooling fins for semiconductor package | Joong-Hyun Baek | 2002-12-24 |