Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11300446 | Optical detection method and optical detection apparatus for fatigue state, and optical detection device | Pengfei Wei, Wei Sun, Zheng Jia, Xu Guan, Xue Gao +4 more | 2022-04-12 |
| 8919785 | Compressive stress water stopper | Zhensheng Wang | 2014-12-30 |