Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11117442 | Air conditioning system for vehicle | Doo Hoon Kim, Chul Kim, Hyeon Gyu Kim, Kyung Ju An | 2021-09-14 |
| 11052726 | Vehicle air-conditioning system | Jae Chun Ryu, Chui Hee Kim, Tae Yong Park, Yong Nam Ahn, Young Hum Han +1 more | 2021-07-06 |
| 11046148 | Air conditioner for vehicles | Hyeon Gyu Kim, Doo Hoon Kim, Chul Kim, Kyung Ju An | 2021-06-29 |