Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12228729 | Method for designing diffractive optical element and partitioned uniform light illumination system | Zhentao FAN, Kehan Tian | 2025-02-18 |
| 12222533 | Optical waveguide device and display device | Zhentao FAN, Lei Sui, Kehan Tian | 2025-02-11 |