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USPTO Patent Rankings Data through Sept 30, 2025
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Shen Chang — 2 Patents

Overall (All Time): #2,018,984 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9516115 Softphone user interface system and method 2016-12-06
D474739 Charger adapter 2003-05-20