Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12243271 | Calibration board and calibration method and system | Lihua WU, Xianzhuo Liu, Minjian Pang, Zhiming Huang, Jie ZENG +1 more | 2025-03-04 |
| 10956400 | Query processing using primary data versioning and secondary data | Frank Feiks, Thomas Gross-Boelting, Michael R. Mueller, Armin Weidenschlager, Anton Forstreuter +3 more | 2021-03-23 |
| 8983136 | Traffic sign detecting method and traffic sign detecting device | Liyan Liu, Pingping Pan | 2015-03-17 |
| 8896657 | Scene video switch system and scene video switch method | Shengyin Fan, Weitao Gong, Xin Wang | 2014-11-25 |
| 8848980 | Front vehicle detecting method and front vehicle detecting apparatus | Cheng Du, Liyan Liu, Ping Hu | 2014-09-30 |
| 8493431 | Video conference system, processing method used in the same, and machine-readable medium | Liyan Liu | 2013-07-23 |