Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11159868 | Electronic device for authenticating user by using audio signal and method thereof | — | 2021-10-26 |
| 11136637 | Wire rod having excellent low temperature impact toughness and manufacturing method therefor | Hyong-Jik Lee | 2021-10-05 |