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USPTO Patent Rankings Data through Dec 31, 2025
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Christopher C. Chang — 3 Patents in 2021

ATArcus Technology: 2 patents #1 of 1Top 100%
Pleasanton, CA: #91 of 623 inventorsTop 15%
California: #8,414 of 66,859 inventorsTop 15%
Overall (2021): #88,292 of 548,734Top 20%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10935954 Motion system health management using existing servo drive variables 2021-03-02
10910970 Motor with internal encoder unit 2021-02-02
10904458 Error correction unit for time slice image 2021-01-26