Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12103821 | Elevator having function of removing dust adhered to object aboard | Gum Gee Lee, Ju Dae Kim, Hyung Seok Kim | 2024-10-01 |
| 10396635 | Reflective optical encoder with contaminant protection | — | 2019-08-27 |
| 8776953 | Magnetic elevator door coupler | Zbigniew Piech, David J. Lanesey, Pawel Witczak | 2014-07-15 |