Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Qing Duan — 4 Patents in 2021

Microsoft: 4 patents #217 of 6,492Top 4%
Durham, NC: #47 of 654 inventorsTop 8%
North Carolina: #397 of 5,924 inventorsTop 7%
Overall (2021): #42,119 of 548,734Top 8%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11194877 Personalized model threshold Xiaowen Zhang, Xiaoqing Wang, Junrui Xu 2021-12-07
11074313 Estimating performance gains for content item delivery using performance replay Jianqiang Shen, Wen Pu 2021-07-27
10979364 User defined quality-control resource usage Qingyun Wan 2021-04-13
10891592 Electronic job posting marketplace Aman Grover, Benjamin Hoan Le, Liang Zhang, Wen Pu, Zhifeng Deng +1 more 2021-01-12