Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1066648 | Face mask | Xiaojin HAN, Seven Zhou, Hongbing Xiang, Weifeng Shen, Xia Jin Zhao | 2025-03-11 |
| D1039133 | Face mask | Xiaojin HAN, Seven Zhou, Hongbing Xiang, Weifeng Shen, Xia Jin Zhao | 2024-08-13 |
| D1027166 | Face mask | Sheng Zhou, Xiaojin HAN, Hongbing Xiang, Weifeng Shen, Zhaoxia Jin | 2024-05-14 |