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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Dewei Chen — 1 Patent in 2021

EIEdan Instruments: 1 patents #4 of 14Top 30%
Longbeilingcun, CN: #266 of 554 inventorsTop 50%
Overall (2021): #476,822 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10939893 Doppler fetal heartbeat monitor Dong Huang, Yong Wu 2021-03-09