Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10830461 | Air purification device and air purification system | Lei Zhang, Zhenhua Liu | 2020-11-10 |
| 10821737 | Printer and printer system | Yingchun Xie | 2020-11-03 |
| D896870 | Intelligent camera | Ningning Li, Lei Zhang | 2020-09-22 |
| 10710772 | Soft core bottle | Ningning Li, Lei Zhang | 2020-07-14 |
| D870867 | Smart toilet lid | Ningning Li, Lei Zhang, Jian-Ping Wang, Ze Chen, Lei Liu | 2019-12-24 |
| 10386274 | Plug-in air quality detector, control method and control device | Ningning Li, Lei Zhang | 2019-08-20 |