Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12277846 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo, Taekyu Han | 2025-04-15 |
| 12272224 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo, Taekyu Han | 2025-04-08 |
| 12272223 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo, Taekyu Han | 2025-04-08 |
| 12260728 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo, Taekyu Han | 2025-03-25 |
| 12046115 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo, Taekyu Han | 2024-07-23 |
| 12020549 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo, Taekyu Han | 2024-06-25 |
| 12002340 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo, Taekyu Han | 2024-06-04 |
| 11532222 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo, Taekyu Han | 2022-12-20 |
| 11436907 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo, Taekyu Han | 2022-09-06 |
| 11217078 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo | 2022-01-04 |
| 11017650 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo | 2021-05-25 |
| 10510237 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo | 2019-12-17 |
| 9978241 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo | 2018-05-22 |
| 9224282 | Safety service system and method thereof | Ji-Young Lee, Yong Rae Jo, Ji Hyun Yoo | 2015-12-29 |