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USPTO Patent Rankings Data through Sept 30, 2025
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Eric I-Chao Chang — 1 Patent in 2021

Microsoft: 1 patents #1,811 of 6,492Top 30%
Beijing, WA: #85 of 143 inventorsTop 60%
Overall (2021): #463,652 of 548,734Top 85%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11210426 Tracing objects across different parties Ying Yan, Yang Chen, Thomas Moscibroda, Jinglei Ren, Liang Chen +1 more 2021-12-28