Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10143368 | Visual acuity test method, apparatus and system | Yefei Dong | 2018-12-04 |
| 10092838 | Electronic apparatus for controlling a multi-field-of-view display apparatus, electronic system and control method | Yefei Dong, Wenbo Li | 2018-10-09 |