Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |