Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352726 | Trace detection device | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Jianmin Li, Qiufeng Ma +4 more | 2025-07-08 |
| 11482095 | Wireless control method, system, and apparatus for determining the state of a power switch | Yafei Wang, Jianfeng Xu | 2022-10-25 |
| 11476102 | Real-time calibration device, real-time calibration method and detection apparatus | Qingjun Zhang, Zhiqiang Chen, Yuanjing Li, Jianmin Li, Yinong Liu +5 more | 2022-10-18 |
| 11422070 | Sampling probe, automatic sampling device, and container detection system | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Jianmin Li, Shangmin Sun +7 more | 2022-08-23 |
| 11395591 | System integrating video communication and physical sign analysis | Jie Yu, Jiangfeng Yu, Xugang Shi | 2022-07-26 |
| 11346807 | Pulsed sampling-based ion mobility spectrometer and sniffer | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Jianmin Li, Yinong Liu +7 more | 2022-05-31 |
| 11320407 | Gas chromatograph-ion mobility spectrometry combined equipment | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Yaohong Liu, Qiufeng Ma +3 more | 2022-05-03 |
| 11216645 | Multi-camera multi-face video splicing acquisition device and method thereof | Jie Yu, Jiangfeng Yu, Xugang Shi | 2022-01-04 |
| 11215626 | Gate system for sample detection and method of sample inspection | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu +4 more | 2022-01-04 |
| 11022581 | Multiple functions ion mobility spectrometer device | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Jianmin Li, Yaohong Liu +6 more | 2021-06-01 |
| 10989689 | Gas chromatography-ion mobility spectrometry detector and gas chromatograph-ion mobility spectrometer | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu +5 more | 2021-04-27 |
| 10699887 | Preparation and feed apparatus of standard sample for calibration of trace-analysis instrument | Qingjun Zhang, Yuanjing Li, Ziran Zhao, Nan BAI, Qiufeng Ma | 2020-06-30 |
| 10539531 | Detection apparatus and detection method | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu +6 more | 2020-01-21 |
| 10535509 | Ion migration tube and method of operating the same | Qingjun Zhang, Yuanjing Li, Ziran Zhao, Huishao He, Xianghua Li +1 more | 2020-01-14 |
| 10429348 | Detection apparatus and detection method | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu +6 more | 2019-10-01 |
| 10408804 | Darkroom type security inspection apparatus and method | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yaohong Liu +5 more | 2019-09-10 |
| 10281431 | Darkroom type security inspection apparatus and method | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Qiufeng Ma +4 more | 2019-05-07 |
| 10281432 | Detection apparatus and detection method | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu +6 more | 2019-05-07 |
| 10234436 | Gas chromatography-ion mobility spectrometry apparatus | Qingjun Zhang, Yuanjing Li, Ziran Zhao, Huishao He, Qiufeng Ma +2 more | 2019-03-19 |
| 10215666 | Sample injection device and method for sample collection and sample thermal desorption, and trace detection apparatus | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Huishao He, Qiufeng Ma +3 more | 2019-02-26 |
| 10151671 | Sampling device and gas curtain guide | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Huishao He, Qiufeng Ma +5 more | 2018-12-11 |
| 10032616 | Sample introduction device | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Huishao He, Qiufeng Ma +3 more | 2018-07-24 |
| 9772306 | Gas analyzing apparatus and sampling device | Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu +6 more | 2017-09-26 |
| 8600818 | Method, device, and system for carrying point of sale data service over internet protocol network | Hong Ye, Qiuming Peng | 2013-12-03 |
| 6681883 | Method and apparatus for suppressing vibration in vehicle a steering system | Wei-Yi Loh, Thomas Micheal Dalka, Jiansheng Weng | 2004-01-27 |