Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11543159 | Hybrid adsorption heat pump with improved cooling and heating efficiency | Su Yong Lee, Kwang Young Kim, Hyo Sang Kim | 2023-01-03 |
| 10928029 | Guide lamp for vehicle | Chang Kyung Yun | 2021-02-23 |
| 10018383 | Triple effect absorption chiller | Hyo Sang Kim, Si Young Jeong, Su Yong Lee | 2018-07-10 |