DF

Douglas Thomas Fielder

VA Varian Semiconductor Equipment Associates: 2 patents #228 of 513Top 45%
📍 Peabody, MA: #129 of 292 inventorsTop 45%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,145,224 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7355188 Technique for uniformity tuning in an ion implanter system Joseph C. Olson, Jonathan Gerald England, Morgan Evans, Gregg Norris, Shengwu Chang +2 more 2008-04-08
7176470 Technique for high-efficiency ion implantation Morgan Evans, Gregg Norris 2007-02-13