Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10787257 | Unmanned aircraft and method of controlling the same | Jungsik Kim, Woosok CHANG, Taegil CHO | 2020-09-29 |
| 9433552 | Electric walking assistant device | Yoonyoung Chang, Honggul Jun, Duksang KIM, Eulpyo Hong, Gyunghwan Yuk +7 more | 2016-09-06 |
| 8713748 | Autonomous mobile cleaner and method for moving the same | Sangho Yoon | 2014-05-06 |