Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10463220 | Robot cleaner and control method thereof | Hyeong-hwan Choi, Min Ji KIM, Jong-soon Kim, Hyeong Jun Kim | 2019-11-05 |
| 10254263 | Air conditioning apparatus and method of displaying dust concentration using the same | Hyeong-hwan Choi | 2019-04-09 |