Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10151664 | Method and system for measuring lens distortion | Xingyi Chen, Jianjun Xu | 2018-12-11 |
| 9810602 | Method and system for measuring lens distortion | Xingyi Chen, Jianjun Xu | 2017-11-07 |
| 9510082 | Earphone vibrator detection device, system and method | Jun Zhang | 2016-11-29 |