Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10523718 | Video playing method and device | Wenjing Zhou | 2019-12-31 |
| 10480139 | Stampede preventing method for pedestrian passage in confined space of subway | Fubao Zhou, Zhongyi Man | 2019-11-19 |