Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11988838 | Diffractive optical waveguide and display device | Kehan Tian | 2024-05-21 |
| 11774767 | Diffractive optical waveguide and display device | Yuming Song, Kehan Tian | 2023-10-03 |
| 11776152 | Mobile apparatus obstacle detection system, mobile apparatus, and ground-sweeping robot | Qingfeng Zhu, Jingli Yuan | 2023-10-03 |
| 11693253 | Method for designing diffraction suppression optical component, display screen and under-screen camera apparatus | Zhentao FAN, Hui Feng, Kai Zhang, Hao Wu, Kehan Tian | 2023-07-04 |