Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11523721 | Vacuum cleaner | Youngjoo Lee, Jungmin Ko, Soohan Eo, Kietak Hyun, Inkyu HWANG +1 more | 2022-12-13 |
| 11419469 | Cleaner | Kietak Hyun, Soohan Eo, Sangchul Lee, Inkyu HWANG | 2022-08-23 |
| 11344168 | Cleaning appliance | Kietak Hyun, Sangchul Lee | 2022-05-31 |