Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7721558 | Multi-air conditioner and group-unit control method thereof | Do Yong Ha, Ii Nahm Hwang, Si-Kyong Sung, Young Min Park | 2010-05-25 |
| 7263846 | Refrigerant bypassing and filtering apparatus of air conditioner and method for controlling the same | Il Nahm Hwang, Seok Ho Yoon, Pil Hyun Yoon, Ho Jong Jeong | 2007-09-04 |