Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10694937 | Hand-held autonomous visual acuity measurement apparatus and visual acuity measuring method | Pei Xie, Qin Jiang, Xingtao Zhou, Qinmei Wang, Junwen Zeng +2 more | 2020-06-30 |
| 10478062 | Optometry apparatus capable of measuring para-central defocus | Pei Xie, Baichuan Jiang, Xingtao Zhou, Qinmei Wang, Junwen Zeng +4 more | 2019-11-19 |