Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11181610 | Positioning light beam emission system, method and indoor positioning system | Cheng Guo, Zuyong Xie | 2021-11-23 |
| 10725147 | Positioning light beam emission system, method and indoor positioning system | Cheng Guo, Zuyong Xie | 2020-07-28 |