Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11304577 | Cleaner | Dong Hyun Lee, Young Jun Cho, Jin Ho Lee, Ki-man Kim | 2022-04-19 |
| 10925449 | Cleaner | Jin Ho Lee, Kyong-hui Jeon | 2021-02-23 |
| 10285553 | Cyclone dust collecting apparatus and cleaner having the same | Jun Hoo Choe, Jin Ho Lee, Kyong-hui Jeon | 2019-05-14 |
| 10064529 | Cleaner | Jin Ho Lee, Kyong-hui Jeon | 2018-09-04 |
| 9661966 | Vacuum cleaner | Joung-soo Park, Ki-man Kim, Dong-Jun KIM, Hyoun-Soo Kim, Seok Bong Baek +5 more | 2017-05-30 |
| 9622632 | Cyclone dust collector and vacuum cleaner having the same | Jung-gyun Han, Joung-soo Park, Dong Won So, Kyong-hui Jeon | 2017-04-18 |
| 9247854 | Vacuum cleaner | Joung-soo Park, Ki-man Kim, Dong-Jun KIM, Hyoun-Soo Kim, Seok Bong Baek +5 more | 2016-02-02 |