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USPTO Patent Rankings Data through Sept 30, 2025
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Chih-Lien Chang — 1 Patent in 2021

USUpi Semiconductor: 1 patents #4 of 15Top 30%
Zhubeikou, TW: #83 of 122 inventorsTop 70%
Overall (2021): #504,227 of 548,734Top 95%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11075618 Pulse width modulation signal generator Chia-Chien Li 2021-07-27