Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Fu-Hsiang Chang — 1 Patent in 2021

PTPowertech Technology: 1 patents #8 of 22Top 40%
New Taipei, TW: #647 of 1,901 inventorsTop 35%
Overall (2021): #453,715 of 548,734Top 85%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11164771 Wafer transferring device Cheng-Cheng Chang, Ming-Hsiu Hsieh, Yuan-Jung LU, Chu Yuan Mo 2021-11-02