Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11185200 | Robot cleaner | Seok Man HONG, Sung-Jin Park, Young Jae Park, Jin Wook Yoon | 2021-11-30 |
| 11185206 | Drum for cleaner and cleaner having the same | Seok Man HONG, Sung-Jin Park, Dong Wook Kim, Ki Hwan Kwon, Jin Wook Yoon | 2021-11-30 |
| 11129511 | Vacuum cleaner | Keon-soo Choi, Shin Kim, Dong Hyun Lee, Chang-Hyun Lee, Ji Yeon Han | 2021-09-28 |
| 11006796 | Suction nozzle and vacuum cleaner and robot cleaner having the same | Ki Hwan Kwon, Seok Man HONG, Dong Wook Kim | 2021-05-18 |
| 11006800 | Robot cleaner | Ki Hwan Kwon, Jin Wook Yoon, Dong Wook Kim, Seok Man HONG | 2021-05-18 |