Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11147693 | Artificial foot having rotatable toe part | Hyun Cheol KIM, Suk-Min Lee, Jei Cheong Ryu, Chil Yong Kwon, Hyeon Seok Cho | 2021-10-19 |
| 10405995 | Artificial limb structure having magnetic lock device | Suk-Min Lee, Sin Gi Kim, Do-wan Kim, Jei Cheong Ryu | 2019-09-10 |