Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8984686 | Platform of electric-movable bed for bedsore prevention capable of adjusting shaft according to user body type and method for controlling position change period thereof | Kyeoung Jin Chun, Jae Soo Hong, Hyun Ho Choi | 2015-03-24 |
| 8763176 | Lift device including ring-shaped driving unit | Kyeoung Jin Chun | 2014-07-01 |