Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12028657 | Projection device and keystone correction method thereof | Zhao Zhang | 2024-07-02 |
| 11877103 | Projection device and projection picture correction method thereof | Zhao Zhang, Lun Liang | 2024-01-16 |
| 10917723 | Audio signal processing device and audio signal adjusting method | Yue Chen | 2021-02-09 |