Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8766195 | Distance detection induction device | Qiaomei Tang, Guofeng Chen | 2014-07-01 |
| 8576384 | Distance detecting sensor and close range detecting method | — | 2013-11-05 |
| 8552384 | Mirror reflection processing method for position sensitive detector device | Jian Zhang, Guofeng Chen | 2013-10-08 |
| 8384032 | Method for saving power consumption of position sensitive detector | Weigen Chen, Guofeng Chen, Xiongtao Zheng | 2013-02-26 |
| 8212994 | Distance detecting sensor and close range detecting method | — | 2012-07-03 |