Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10146179 | Exposure method of holographic grating and exposure light path | Qian Zhou, Kai Ni, Rui Tian, Mingfei Xu, Hao Dong +1 more | 2018-12-04 |
| 10061122 | Optimized design method for manufacturing fresnel grating | Qian Zhou, Jinchao ZHANG, Xinghui LI, Kai Ni, Haifei Hu +4 more | 2018-08-28 |