Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D939796 | Cleaner | Sanghoon Yoon, Jinsun Park, Kangkyung Lee | 2021-12-28 |
| D939798 | Cleaner | Sanghoon Yoon, Jinsun Park, Kangkyung Lee | 2021-12-28 |
| D939797 | Cleaner | Sanghoon Yoon, Jinsun Park, Kangkyung Lee | 2021-12-28 |
| D929685 | Cleaner | Jaewon Choi, Yeonsu Kim, Donghyuk Uim, Hyoungsub Choi | 2021-08-31 |
| D922704 | Brush for vacuum cleaner | Hyoungsub Choi | 2021-06-15 |
| D912344 | Cleaner | Jaewon Choi, Hyoungsub Choi, Yeonsu Kim, Donghyuk Uim | 2021-03-02 |
| D912346 | Stand for cleaner | Hyoungsub Choi | 2021-03-02 |