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

Quad Systems Ag — 7 Patents

Rank (All Time): #76,307 of 105,917Top 75%
7 inventors
7 Patents All Time

Patents per Year

Patents granted per year, 1986 to 2001Bar chart with a peak of 3 patents in 1999.peak 31986: 1 patents19861991: 1 patents19911996: 1 patents19961999: 3 patents19992001: 1 patents2001

Top Inventors at Quad Systems Ag All Time

Showing 1–7 of 7 inventors

RankNamePatents
1 Ali R. Safabakhsh 2
1 George M. Berkin 2
1 John Joseph Kilgarriff 2
#4 David Young 1
#4 Edwin R. Phillips 1
#4 Michael T. Deley 1
#4 Vincent G. Amorosi 1

Most Valuable Patents

All 100 most valuable US patents →