Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8404034 | Vacuum cleaner and method of controlling the same | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +16 more | 2013-03-26 |
| 8151409 | Vacuum cleaner | Gun Ho Ha, Man Tae Hwang | 2012-04-10 |
| 7757344 | Upright vacuum cleaner | Jae Kyum Kim | 2010-07-20 |
| 7731769 | Cyclonic dust collection unit and filter structure thereof | — | 2010-06-08 |
| 7640623 | Vacuum cleaner | Jae Duck Jung, Il-Gyeong Go, Hyung-il Kim | 2010-01-05 |
| 7409744 | Dust collecting unit of vacuum cleaner | Il-Gyeong Go | 2008-08-12 |
| 7086119 | Dust collecting unit of vacuum cleaner | Il-Gyeong Go | 2006-08-08 |
| 5394588 | Nozzle head for vacuum cleaner with duster function | Hyeog M. Kweon, Im M. Kim | 1995-03-07 |