Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11532222 | Safety service system and method thereof | Ji-Young Lee, Jung Hwa Yoo, Ji Hyun Yoo, Taekyu Han | 2022-12-20 |
| 11436907 | Safety service system and method thereof | Ji-Young Lee, Jung Hwa Yoo, Ji Hyun Yoo, Taekyu Han | 2022-09-06 |
| 11217078 | Safety service system and method thereof | Ji-Young Lee, Jung Hwa Yoo, Ji Hyun Yoo | 2022-01-04 |