Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9239179 | Air conditioner | Chiwoo Song, Yongcheol Sa | 2016-01-19 |
| 8820103 | Air conditioner having plural compressors with oil bypass unit | Sedong Chang, Baikyoung Chung, Jiyoung Jang | 2014-09-02 |
| 8769968 | Refrigerant system and method for controlling the same | Baikyoung Chung, Jaehwa Jung, Yongcheol Sa, Byungsoon Kim | 2014-07-08 |