Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Lifeng Liu — 4 Patents in 2021

COCognex: 3 patents #6 of 70Top 9%
PUPeking University: 1 patents #7 of 75Top 10%
Sudbury, MA: #11 of 146 inventorsTop 8%
Massachusetts: #867 of 14,123 inventorsTop 7%
Overall (2021): #45,301 of 548,734Top 9%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11145365 Data search systems and methods Jinfeng Kang, Peng HUANG, Xiaoyan Liu 2021-10-12
11077557 System and method for robust calibration between a machine vision system and a robot Aaron S. Wallack, Xiangyun Ye 2021-08-03
11070793 Machine vision system calibration Tuotuo Li, Cyril C. Marrion 2021-07-20
11049280 System and method for tying together machine vision coordinate spaces in a guided assembly environment Guruprasad Shivaram, Cyril C. Marrion, Tuotuo Li 2021-06-29