Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9249038 | Water purifier | Younghoon Ha, Kobong Choi, Jonghun Park, Joonho Jang, Sangho Kim +3 more | 2016-02-02 |
| 7651256 | Ventilation/illumination duct, ventilation/illumination system using the ventilation/illumination duct, and control method for the ventilation/illumination system | Ju-youn Lee, Kyung Hwan Kim, Ho-jung Kim, Kwan Ho Yum | 2010-01-26 |
| 7591720 | Ventilating system | Jeong Yong Kim, Baik Young Chung, In Ho Choi | 2009-09-22 |
| 7572179 | Ventilation system | Dong Hwan Choi, Kyung Hwan Kim, Nam Sik Yim, Keun Hyoung Choi | 2009-08-11 |
| 7563160 | Ventilating apparatus | Kyung Hwan Kim, Jeong Yong Kim, Gi Seop Lee | 2009-07-21 |
| 7558457 | Combined illumination and ventilation duct | Keun Hyoung Choi, In Ho Choi, Dong Whan Choi | 2009-07-07 |
| 7507275 | Discharge device and air conditioner having said discharge device | Ho-jung Kim, In Ho Choi, Kwan Ho Yum | 2009-03-24 |
| 7497771 | Ventilating system | Keun Hyoung Choi, Jeong Yong Kim, Kwan Ho Yum, Ju-youn Lee | 2009-03-03 |
| 7453682 | Discharge device and air conditioner having said device | Ho-jung Kim, In Ho Choi, Kwan Ho Yum | 2008-11-18 |
| 7409986 | Method for controlling flow rate of ventilating air in air conditioner | Gi Seop Lee, Kwan Ho Yum, Kyung Hwan Kim, Jeong Yong Kim | 2008-08-12 |
| 7332006 | Ventilating and air purifying device | Jeong Yong Kim, Kwan Ho Yum, Gi Seop Lee, Ju-youn Lee, Kyung Hwan Kim +1 more | 2008-02-19 |
| 7300493 | Apparatus and method for controlling air cleaning | Ho-jung Kim, In Ho Choi, Kwan Ho Yum | 2007-11-27 |
| 7294176 | Surface discharge type air cleaning device | Ho-jung Kim, In Ho Choi, Kwan Ho Yum | 2007-11-13 |
| 7260950 | Air conditioning system and method operating suitably to user's characteristics | Gi Seop Lee, Kwan Ho Yum, Youn Ho Yoo, Deok Huh | 2007-08-28 |
| 7261767 | Air purifier | In Ho Choi, Ho-jung Kim | 2007-08-28 |
| 7258730 | Air purifier | In Ho Choi, Ho-jung Kim | 2007-08-21 |
| 7201787 | Air cleaner and method of controlling operation thereof | Ju Yeon Lee | 2007-04-10 |
| 7191615 | Air conditioning system | Gi Seop Lee, Jeong Yong Kim | 2007-03-20 |
| 7163567 | Air cleaner | — | 2007-01-16 |
| 7121110 | Air conditioning system | Kwan Ho Yum, Kyung Hwan Kim | 2006-10-17 |
| 7111468 | Air conditioning system and method operating suitably to user's characteristics | Gi Seop Lee, Kwan Ho Yum, Youn Ho Yoo, Deok Huh | 2006-09-26 |
| 6874334 | Air conditioning system | Kyung Hwan Kim, Gi Seop Lee | 2005-04-05 |
| 6868693 | Air conditioning system | Gi Seop Lee, Kwan Ho Yum | 2005-03-22 |
| 5771705 | Operating method for air conditioner | Dae Keun Lee, See-Poong Seong, Deok Huh | 1998-06-30 |