Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D935118 | Robot vacuum cleaner | Hwan-Dong Lee, Sang-Hoon Yoon, Jin-Sun Park, Hyun-Woo Yoon | 2021-11-02 |
| D930298 | Robot vacuum cleaner | Hwan-Dong Lee, Sang-Hoon Yoon, Jin-Sun Park, Hyun-Woo Yoon | 2021-09-07 |
| D930299 | Robot vacuum cleaner | Hwan-Dong Lee, Sang-Hoon Yoon, Jin-Sun Park, Hyun-Woo Yoon | 2021-09-07 |
| D930300 | Robot vacuum cleaner | Hwan-Dong Lee, Sang-Hoon Yoon, Jin-Sun Park, Hyun-Woo Yoon | 2021-09-07 |
| D921867 | Air purifier | Deok-Sang Yun, Dah We Park, Gi Hoon Ko | 2021-06-08 |
| D921868 | Air purifier | Yu-Na Park, Sang In Lee, Deok-Sang Yun, Min-Kyung Choi, Seung Mok Lee | 2021-06-08 |