Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10529160 | Method for controlling door lock of home network system | — | 2020-01-07 |
| 10290164 | Method for controlling door lock of home network system | — | 2019-05-14 |
| 9779569 | Method for controlling door lock of home network system | — | 2017-10-03 |
| 9608837 | Method for using portable controlling device for home network | Beom Seog Kwag | 2017-03-28 |