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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ning Duan — 8 Patents in 2021

IBM: 8 patents #591 of 11,638Top 6%
Beijing, CN: #215 of 6,435 inventorsTop 4%
Overall (2021): #12,194 of 548,734Top 3%
8 Patents 2021

Issued Patents 2021

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11164335 Passenger travel route inferencing in a subway system Xin Zhang, Peng Gao, Zhi Hu Wang, Gang Ning, Yan Fang 2021-11-02 $2,126,000
11143532 Adaptive calibration of sensors through cognitive learning Wei Sun, Ren Jie Yao, Chun Yang Ma, Peng Ji, Jing Chang Huang +2 more 2021-10-12 $3,967,000
11144578 High performance and efficient multi-scale trajectory retrieval Guo Qiang Hu, Peng Ji, Xiao Bo Li, Zhi Hu Wang 2021-10-12 $3,967,000
11132618 Generating a training model based on feedback Liangliang Cao, Qian Lin, Chen Wang, Junchi Yan, Xin Zhang 2021-09-28 $6,479,000
10967706 Intelligent in-vehicle air-quality control Jing Chang Huang, Peng Ji, Chun Yang Ma, Zhi Hu Wang, Renjie Yao 2021-04-06 $3,234,000
10891693 Method and system to determine auto insurance risk He Huang, Zhi Hu Wang, Kai Li 2021-01-12 $3,912,000
10884793 Parallelization of data processing Wei Huang, Peng Ji, Yi Qi, Qi Zhang, Jun Zhu 2021-01-05 $2,293,000
10885072 Spatial computing for location-based services Yu Huang, Zhi Hu Wang, Shiping Yan, Xin Zhang, Jun Zhu 2021-01-05 $2,293,000