Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
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Zongchao Zhang

📍 Beijing, TX: #68 of 112 inventorsTop 65%
Overall (2025): #147,818 of 469,880Top 35%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12226837 Groove cutter with chip breaker Qi Han, Shuo Han, Yanyan Wang 2025-02-18