Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David E. De Bar — 1 Patent

IBM: 1 patents #44,794 of 70,183Top 65%
Manassas, VA: #276 of 524 inventorsTop 55%
Virginia: #18,729 of 34,511 inventorsTop 55%
Overall (All Time): #4,059,963 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4412376 Fabrication method for vertical PNP structure with Schottky barrier diode emitter utilizing ion implantation Raymond W. Hamaker, Geoffrey B. Stephens 1983-11-01