Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12224643 | Composite oil seal having electric corrosion prevention function | Tae Hyung Kim, Jae-Hyuk Sung | 2025-02-11 |
| 10920451 | Interface module device of digital door lock | Sang-Woo Jung | 2021-02-16 |
| 10794090 | Input device for door lock | Sang-Woo Jung, Gi-Young Kim | 2020-10-06 |
| 10727682 | Emergency charging device and method for door lock | Sang-Woo Jung, Gi-Young Kim | 2020-07-28 |
| 10403277 | Method and apparatus for information search using voice recognition | Sang-Woo Jung, Gi-Young Kim | 2019-09-03 |