Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11641901 | High-temperature virus-killing mask | Min-Jung Wu, Xinlin Li, Gongfa Chen, Guangwei Chen | 2023-05-09 |
| 11272749 | Waterseal virus-killing mask | Min-Jung Wu, Xinlin Li, Gongfa Chen, Guangwei Chen, Fangsen Cui | 2022-03-15 |
| 10641020 | Electromagnetic release door closer | Haojie Li, Qiaojie Liao, Lijun Ye | 2020-05-05 |
| 9145726 | Concealed door closer | Haojie Li, Zhenfeng Fu, Zhenbo Wu, Hongbo Liu, Weibin Lan +3 more | 2015-09-29 |