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

Ricoh Systems — 21 Patents

Rank (All Time): #27,489 of 105,732Top 30%
16 inventors
21 Patents All Time

Patents per Year

Patents granted per year, 1984 to 1989Bar chart with a peak of 8 patents in 1986.peak 81984: 2 patents19841985: 1 patents19851986: 8 patents19861987: 7 patents19871988: 2 patents19881989: 1 patents1989

Top Inventors at Ricoh Systems All Time

Showing 1–16 of 16 inventors

RankNamePatents
1 Edward F. Mayer 7
2 Carl P. Anderson 5
3 Marco Padalino 4
#4 Herbert K. Wurster 2
#4 Mark A. Culpepper 2
#4 Victor B. van Blerk 2
#7 Stephen J. Bolema 1
#7 Arthur C. Lutus 1
#7 Donald F. Pfeuffer 1
#7 Elden R. Morrison 1
#7 James Larsen 1
#7 Sanjiv Arora 1
#7 Tomio Kubota 1
#7 William J. Murphy 1
#7 Steven R. Ungemach 1
#7 Alan L. Koelling 1