Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416457 | Heat exchanger | Hyunchul CHO, Jeungku CHOI, Yonghwa CHOI | 2025-09-16 |
| 11988452 | Heat exchanger | Junkyu JUNG, Donghyun Kim, Yonghwa CHOI | 2024-05-21 |
| 11698234 | Distributor, heat exchanger unit and air conditioner | Sangmu Lee, Hyun-Young Kim, Masaki Saito, Masatoshi Takahashi, Takeshi Takahara +3 more | 2023-07-11 |