Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11129509 | Robot cleaner | Sin Ae Kim, Young Jae Park | 2021-09-28 |
| 11129511 | Vacuum cleaner | Shin Kim, Dong Hyun Lee, Dong Woo Ha, Chang-Hyun Lee, Ji Yeon Han | 2021-09-28 |
KC
Keon-soo Choi
Overall (2021): #142,175 of 548,734Top 30%
2
Patents 2021