Issued Patents All Time
Showing 101–118 of 118 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7987551 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +15 more | 2011-08-02 |
| 7909613 | Coaxial connecting device | Yong Goo Lee, Maeng Youl Lee, Sung Jin Kim | 2011-03-22 |
| 7882592 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2011-02-08 |
| 7824006 | Image forming apparatus and method to operatively control the same | — | 2010-11-02 |
| 7785396 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2010-08-31 |
| 7770253 | Vacuum cleaner with removable dust collector, and methods of operating the same | Gun Ho Ha, Jin-Wook Seo, Chang Ho Yun, Jin Young Kim, Chang-Hoon Lee +14 more | 2010-08-10 |
| 7749295 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2010-07-06 |
| 7645309 | Dust collection unit and vacuum cleaner with the same | Hoi Kil Jeong, Man Hwang, Young-Ho Kim, Jung Bae Hwang | 2010-01-12 |
| 7601188 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2009-10-13 |
| 7582128 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2009-09-01 |
| 7574770 | System for automatically cleaning and inspecting stud bolt holes, and managing histories of the stud bolt holes | Sang Hoon Choi | 2009-08-18 |
| 7488363 | Dust collection unit of vacuum cleaner | Hoi Kil Jeong, Man Tae Hwang, Young-Ho Kim, Jung Bae Hwang | 2009-02-10 |
| 7488362 | Dust collection assembly of vacuum cleaner | Hoi Kil Jeong, Man Tae Hwang, Young-Ho Kim, Jung Bae Hwang | 2009-02-10 |
| 7485164 | Dust collection unit for vacuum cleaner | Hoi Kil Jeong, Man Tae Hwang, Young-Ho Kim, Jung Bae Hwang | 2009-02-03 |
| 7442219 | Dust collection unit for vacuum cleaner | Hoi Kil Jeong, Man Tae Hwang, Young-Ho Kim, Jung Bae Hwang | 2008-10-28 |
| 7333123 | Thermal type image forming apparatus and method of removing jammed medium therefrom | — | 2008-02-19 |
| 7333122 | Method of printing thermal media by aligning image | Young-do Jung | 2008-02-19 |
| 6321869 | Speaker system for personal computers | — | 2001-11-27 |