Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David E. Trytko — 6 Patents

AMAmpex: 4 patents #35 of 247Top 15%
ASAmpex Systems: 2 patents #3 of 36Top 9%
Foster City, CA: #616 of 2,058 inventorsTop 30%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
David E. Trytko has been granted 6 US patents while listed as an inventor at Ampex. The first was granted in 1985 and the most recent in April 1994. David E. Trytko ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list David E. Trytko in Foster City, CA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5305108 Switcher mixer priority architecture 1994-04-19
5231499 Keyed, true-transparency image information combine 1993-07-27
5010407 Video effects system with recirculation video combine and output combine 1991-04-23
4974083 Recirculating special effects video framestore John F. Bloomfield 1990-11-27
4591925 Encoded dropout compensator system 1986-05-27
4528598 Chrominance inverting all-pass filter Steven D. Wagner 1985-07-09