Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11523463 | Disaster site integrated commanding and operating system and method of providing the same | Seung Bok Hong, Dong Ju Yu, Young-Gi LEE | 2022-12-06 |
| 10009734 | Indoor location measurement system and method using radio signal transmitters | — | 2018-06-26 |
| 8878666 | Emergency sign having beacon module for indoor positioning and indoor positioning system | — | 2014-11-04 |