Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10856711 | Vacuum cleaner | Kietak Hyun, Jungmin Ko, Sangchul Lee | 2020-12-08 |
| 10799887 | Dust collector and cleaner having the same | Kietak Hyun, Sangchul Lee | 2020-10-13 |
| 10653290 | Pump and dishwasher including the same | Sangsoo Lee, Myoungjong Kim, Jongmin Lee, Yongjin Choi, Minchul Kim +3 more | 2020-05-19 |