Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DW

Darrell L. Wilburn — 5 Patents

SEStep Engineering: 5 patents #1 of 9Top 15%
Saratoga, CA: #1,235 of 2,933 inventorsTop 45%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Darrell L. Wilburn has been granted 5 US patents while listed as an inventor at Step Engineering. The first was granted in 1986 and the most recent in June 1994. Darrell L. Wilburn ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Darrell L. Wilburn in Saratoga, CA, US.

Patents per Year

Patents granted per year, 1986 to 1994Bar chart with a peak of 2 patents in 1988.peak 21986: 1 patents19861988: 2 patents19881989: 1 patents19891994: 1 patents1994

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5321828 High speed microcomputer in-circuit emulator Michael Phillips, Van T. Hua, Gordon A. Minami, Robert J. Kresge, Charles Verhaegh 1994-06-14
4817118 Mobile incident logger Darryl R. Plauck 1989-03-28
4782461 Logical grouping of facilities within a computer development system John R. Mick, Michael J. Miller 1988-11-01
4745572 Software editing instrument 1988-05-17
4633417 Emulator for non-fixed instruction set VLSI devices John R. Mick 1986-12-30