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USPTO Patent Rankings Data through Sept 30, 2025
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Pei-Ming Chang — 1 Patent in 2021

PEPrimax Electronics: 1 patents #35 of 73Top 50%
Taipei, IL: #7 of 14 inventorsTop 50%
Overall (2021): #305,318 of 548,734Top 60%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11099058 Electronic scale with calibration function and electronic scale calibrating method Wen-Chih Shen 2021-08-24