Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345877 | Optical device and use thereof | Hujun HUANG, Rongwei LIU, Dong Luo | 2025-07-01 |
| 11340419 | Optical lens and manufacturing method thereof | Leihong YE, Hujun HUANG | 2022-05-24 |
| 8820622 | Cash box provided with self-locking mechanism | Xiaodian Chen | 2014-09-02 |