Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11036297 | Tactile feedback device | Youngsu Cha, Jung Min Park, Bum Jae You | 2021-06-15 |
| 10720856 | Composite actuator device driven by an electrostatic attractive force when a voltage is applied | Youngsu Cha | 2020-07-21 |
| 10331217 | Actuator | Youngsu Cha, Jung Min Park, Bum Jae You | 2019-06-25 |