Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
PC

Pei-Yu Chou

UMUnited Microelectronics: 32 patents #144 of 4,560Top 4%
TSMC: 18 patents #1,811 of 12,232Top 15%
Globalfoundries: 2 patents #1,397 of 4,424Top 35%
FCFullhope Biomedical Co.: 1 patents #4 of 8Top 50%
Dashulong, TW: #49 of 596 inventorsTop 9%
Overall (All Time): #48,026 of 4,157,543Top 2%
53 Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #TitleCo-InventorsDate
7319074 Method of defining polysilicon patterns Tong-Yu Chen 2008-01-15
7319067 Method of simultaneously controlling ADI-AEI CD differences of openings having different sizes and etching process utilizing the same method Jiunn-Hsing Liao 2008-01-15
7195716 Etching process and patterning process 2007-03-27