Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11021231 | Unmanned aerial vehicle including mounting structure for propeller | Seung-Chul Baek, Yeonggyu YOON, Min-Woo Yoo, Min-Sung Lee | 2021-06-01 |
| 10946958 | Unmanned aerial vehicle having duct structure | Sangin Baek, Seungchul BAEK, Jongkeun KIM, Yeonggyu YOON, Wonhee Choi +5 more | 2021-03-16 |