DC

David Cheung

Applied Materials: 69 patents #94 of 7,310Top 2%
NS Novellus Systems: 19 patents #35 of 780Top 5%
Lam Research: 9 patents #327 of 2,128Top 20%
FN Foundry Networks: 2 patents #70 of 112Top 65%
NS National Semiconductor: 1 patents #1,247 of 2,238Top 60%
CE Cercom: 1 patents #5 of 8Top 65%
XC Xceedium: 1 patents #2 of 2Top 100%
CA Ca: 1 patents #669 of 1,424Top 50%
📍 Foster City, CA: #9 of 2,058 inventorsTop 1%
🗺 California: #2,164 of 386,348 inventorsTop 1%
Overall (All Time): #13,845 of 4,157,543Top 1%
102
Patents All Time

Issued Patents All Time

Showing 101–102 of 102 patents

Patent #TitleCo-InventorsDate
5354386 Method for plasma etching tapered and stepped vias Norman E. Abt, Peter McNally 1994-10-11
5158644 Reactor chamber self-cleaning process Peter Keswick, Jerry Wong 1992-10-27