Issued Patents 2020
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, Renyuan Chu, Xingtao Zhou, Qinmei Wang +2 more | 2020-06-30 |
| 10586307 | Capturing real-time video with zooming capability and scanning high resolution still images of documents using the same apparatus | Dongbing Zhang | 2020-03-10 |