Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8857010 | Vacuum cleaner having shredder | Jang-keun Kim, Kang-Doo Kim, Chang Hyun Park, Jae-jin Aum, Yong-jae Yong +2 more | 2014-10-14 |
| 8522395 | Vacuum cleaner having shredder | Jang-keun Oh, Jun Hwa Lee, Jae-jin Aum, Chang Hyun Park, Jun Hoo Choe +2 more | 2013-09-03 |
| 8458856 | Upright type cleaner | Byoung In Lee, Jae Man Joo, Tae Seok Yoon, Hyung Il Jeon | 2013-06-11 |
| 7856694 | Nozzle assembly of vacuum cleaner | Jang-keun Oh, Hwa-gyu Song, Chae-hoon Sohn, I-sun Park | 2010-12-28 |
| 7716784 | Suction port assembly and vacuum cleaner having the same | Dong-houn Yang, Hiroyuki Uratani, Hwa-gyu Song, Hyun Ju Lee | 2010-05-18 |
| 7596829 | Vacuum cleaner | Hwa-gyu Song, Hyun-jun Oh | 2009-10-06 |
| 7429284 | Cyclone dust collecting apparatus | Jang-keun Oh | 2008-09-30 |
| 7410535 | Cyclone separating apparatus and a vacuum cleaner having the same | Hwa-gyu Song, Jae Man Joo, Jun Hwa Lee, Jang-Kuen Oh | 2008-08-12 |
| 7334987 | Fan assembly for vacuum cleaner | Hyun-jun Oh, Seung Gee Hong, Hwa-gyu Song | 2008-02-26 |