Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11080953 | Method, system, and door lock device for controlling door lock | Youngsoo Kim | 2021-08-03 |
| 10586413 | Entrance and exit control system and method for Bluetooth | Youngsoo Kim | 2020-03-10 |
| 10347064 | Digital door lock system using wireless power transmission | Youngsoo Kim | 2019-07-09 |