Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11893325 | Method and apparatus for setting evacuation exit under crowd emergency evacuation scenario | Qingjie Qi, Yue Zhang, Jingwen Zhang, Jiamei Chai | 2024-02-06 |
| 9839354 | Emergency call apparatus, emergency call system and backup method thereof | Shih-Hsien Su | 2017-12-12 |