Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Douglas R. Schnabel — 3 Patents

DEDelco Electronics: 3 patents #144 of 908Top 20%
Kokomo, IN: #197 of 628 inventorsTop 35%
Indiana: #10,625 of 33,936 inventorsTop 35%
Overall (All Time): #1,656,047 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5366916 Method of making a high voltage implanted channel device for VLSI and ULSI processes Richard A. Summe, Randy A. Rusch, Jack D. Parrish 1994-11-22
5047358 Process for forming high and low voltage CMOS transistors on a single integrated circuit chip Walter K. Kosiak, Jonathan Mann, Jack D. Parrish, Paul R. Rowlands, III 1991-09-10
4918026 Process for forming vertical bipolar transistors and high voltage CMOS in a single integrated circuit chip Walter K. Kosiak, Jonathan Mann, Jack D. Parrish, Paul R. Rowlands, III 1990-04-17