Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997328 | Air conditioner | Kyung Hwan Kim, Han Lim Choi | 2011-08-16 |
| 7591867 | Ventilation system | Jeong Yong Kim | 2009-09-22 |
| 7575044 | Ventilating system | Jeong Yong Kim | 2009-08-18 |
| 7572179 | Ventilation system | Dong Hwan Choi, Kyung Hwan Kim, Nam Sik Yim, Ho Seon Choi | 2009-08-11 |
| 7558457 | Combined illumination and ventilation duct | In Ho Choi, Dong Whan Choi, Ho Seon Choi | 2009-07-07 |
| 7497771 | Ventilating system | Jeong Yong Kim, Ho Seon Choi, Kwan Ho Yum, Ju-youn Lee | 2009-03-03 |
| 6060778 | Ball grid array package | Tae Sung Jeong, Ki Tae Ryu, Tae Keun Lee, Han Shin Youn, Jum Sook Park | 2000-05-09 |