Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416091 | Silver ion sterilization solution preparation system | — | 2025-09-16 |
| 12263259 | Split type sterilization electrolytic silver ion spray device | Huiping Hong | 2025-04-01 |
| 10068996 | Array substrate, fabrication method, and display panel | Guowen YAN, Qiang Fei, Zhengkui DONG | 2018-09-04 |
| 9449799 | Film deposition device | Qiang Fei | 2016-09-20 |