Issued Patents 2024
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11959900 | Health early warning system for passengers on a train in an outdoor air polluted environment and method thereof | Hui Liu, Haiping Wu, Yanfei Li | 2024-04-16 |
| 11938784 | Health protection system for passengers on a train in a polluted indoor environment and method thereof | Hui Liu, Zhu Duan, Yanfei Li | 2024-03-26 |
| 11932209 | Method and system for protecting operation of train under air pollution environment | Hui Liu, Guangxi Yan, Zhihao Long | 2024-03-19 |
| 11885620 | Inertia detection device | Naoki Yoshida | 2024-01-30 |