Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11540688 | Handy-stick type vacuum cleaner | Hyoun-Soo Kim, Jin Ho Lee, Yun Won Jung | 2023-01-03 |
| 11229332 | Vacuum cleaner | Tae-gwang Kim, Jeong-hee Cho, Tak-soo Kim, Dong-hun Yoo, Byung-jo Lee +1 more | 2022-01-25 |
| 11147421 | Handy-stick type vacuum cleaner | Dong Hyun Lee, Dong-hun Yoo | 2021-10-19 |
| 10849473 | Vacuum cleaner | Dong-hun Yoo, Byung Hun JUNG | 2020-12-01 |
| 10292552 | Vacuum cleaner | Dong-hun Yoo, Hyoun-Soo Kim, Seok Bong Baek | 2019-05-21 |
| 10105022 | Vacuum cleaner | Tae-gwang Kim, Jeong-hee Cho, Tak-soo Kim, Dong-hun Yoo, Byung-jo Lee +1 more | 2018-10-23 |
| 9254069 | Vacuum cleaner | Tae-gwang Kim, Tak-soo Kim, Oh Kyu Kwon, Dong-hun Yoo, Joo Seok Jeong +4 more | 2016-02-09 |