Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8959706 | Vacuum cleaner | Seong Ho Park, Young-Min Hyun, Hyuk-Joo Kwon, Hyo-Churl Shin, Sang Jun Park +1 more | 2015-02-24 |
| 8887349 | Vacuum cleaner | Chang-Hoon Lee, Young-Ho Kim, Man Tae Hwang, Hoi Kil Jeong | 2014-11-18 |
| 8881343 | Vacuum cleaner | Sang Jun Park, Young-Min Hyun, Hyuk-Joo Kwon, Hyo-Churl Shin, Jin-Wook Seo | 2014-11-11 |
| 8782850 | Vacuum cleaner | Myung Sig Yoo, Man Tae Hwang, Moo Hyun Ko, Jong Su Choo | 2014-07-22 |
| 8732899 | Vacuum cleaner | Sang Jun Park, Young-Min Hyun, Hyuk-Joo Kwon, Hyo-Churl Shin, Jin-Wook Seo | 2014-05-27 |
| 8726459 | Vacuum cleaner | Chang Ho Yun, Gun Ho Ha, Jin Young Kim, Man Tae Hwang, Jong Su Choo +5 more | 2014-05-20 |
| 8544143 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2013-10-01 |
| 8544144 | Vacuum cleaner and dust separation apparatus thereof | Heon-Pyeong Ji, Young-Min Hyun, Hyuk-Joo Kwon, Hyo-Churl Shin, Sang Jun Park +1 more | 2013-10-01 |
| 8528163 | Vacuum cleaner | Sang Jun Park, Young-Min Hyun, Hyuk-Joo Kwon, Hyo-Churl Shin, Jin-Wook Seo | 2013-09-10 |
| 8404034 | Vacuum cleaner and method of controlling the same | Man Tae Hwang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +16 more | 2013-03-26 |
| 8316507 | Vacuum cleaner and dust separating apparatus thereof | Kie Tak Hyun, Kyeong Seon Jeong, Chang-Hoon Lee, Seong-Koo Cho, Geun-Bae Hwang +8 more | 2012-11-27 |
| 8312593 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2012-11-20 |
| 8281455 | Vacuum cleaner | Man Tae Hwang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2012-10-09 |
| 8240001 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2012-08-14 |
| 8186006 | Dust separation apparatus of vacuum cleaner | Kie Tak Hyun, Kyeong Seon Jeong, Chang-Hoon Lee, Seong-Koo Cho, Geun-Bae Hwang +8 more | 2012-05-29 |
| 8060979 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2011-11-22 |
| 8043410 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2011-10-25 |
| 8043397 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2011-10-25 |
| 8021452 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2011-09-20 |
| 8012250 | Vacuum cleaner | Man Tae Hwang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +15 more | 2011-09-06 |
| 7998234 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2011-08-16 |
| 7992253 | Vacuum cleaner | Chang Ho Yun, Gun Ho Ha, Jin Young Kim, Man Tae Hwang, Jong Su Choo +5 more | 2011-08-09 |
| 7987551 | Vacuum cleaner | Man Tae Hwang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +15 more | 2011-08-02 |
| 7958598 | Vacuum cleaner | Chang Ho Yun, Gun Ho Ha, Jin Young Kim, Man Tae Hwang, Jong Su Choo +6 more | 2011-06-14 |
| 7882592 | Vacuum cleaner | Man Tae Hwang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2011-02-08 |