Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D936707 | Wheel loader | Seula Choi, Hokwang Ryu, Yoojeung Lim, Eunsook Seo, Sunwook Kwack +2 more | 2021-11-23 |
| D934922 | Excavator | Seula Choi, Hokwang Ryu, Yoojeung Lim, Eunsook Seo, Sunwook Kwack +2 more | 2021-11-02 |