Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9795265 | Robot cleaner | Du Hwan Hyun, Hwi Chan Jang, Dong Won Kim, Byoung In Lee, Sahng Jin Lee +2 more | 2017-10-24 |
| 9615714 | Autonomous cleaning device | Hwi Chan Jang, Sang Hwa Choi, Du Hwan Hyun | 2017-04-11 |