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USPTO Patent Rankings Data through Sept 30, 2025
CS

Chang Shu-Yun

Overall (All Time): #2,300,686 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D336739 Double-blade windshield wiper Shu-Chen Wu 1993-06-22
D334161 Double blade windshield wiper Shu-Chen Wu 1993-03-23