Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D939796 | Cleaner | Sanghoon Yoon, Kangkyung Lee, Hwandong Lee | 2021-12-28 |
| D939797 | Cleaner | Sanghoon Yoon, Kangkyung Lee, Hwandong Lee | 2021-12-28 |
| D939798 | Cleaner | Sanghoon Yoon, Kangkyung Lee, Hwandong Lee | 2021-12-28 |
| D939799 | Body for cleaner | — | 2021-12-28 |
| D935714 | Cleaner | — | 2021-11-09 |