Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D935118 | Robot vacuum cleaner | Sang-Hoon Yoon, Jin-Sun Park, Jae-Ho Jang, Hyun-Woo Yoon | 2021-11-02 |
| D930298 | Robot vacuum cleaner | Sang-Hoon Yoon, Jin-Sun Park, Jae-Ho Jang, Hyun-Woo Yoon | 2021-09-07 |
| D930299 | Robot vacuum cleaner | Sang-Hoon Yoon, Jin-Sun Park, Jae-Ho Jang, Hyun-Woo Yoon | 2021-09-07 |
| D930300 | Robot vacuum cleaner | Sang-Hoon Yoon, Jin-Sun Park, Jae-Ho Jang, Hyun-Woo Yoon | 2021-09-07 |