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USPTO Patent Rankings Data through Sept 30, 2025
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Yikun Chang — 1 Patent in 2021

Apple: 1 patents #2,295 of 5,196Top 45%
Fremont, CA: #762 of 1,880 inventorsTop 45%
California: #26,007 of 66,859 inventorsTop 40%
Overall (2021): #202,997 of 548,734Top 40%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11165416 Duty cycle and skew measurement and correction for differential and single-ended clock signals Khaled M. Alashmouny, Dennis M. Fischette, Jr., Charles L. Wang, Samed Maltabas 2021-11-02