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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Control Data — 141 Patents

Rank (All Time): #5,056 of 105,732Top 5%
192 inventors
141 Patents All Time

Patents per Year

Patents granted per year, 1980 to 1998Bar chart with a peak of 20 patents in 1984.peak 201980: 10 patents19801981: 7 patents1982: 14 patents19821983: 12 patents1984: 20 patents19841985: 14 patents1986: 7 patents19861987: 17 patents1988: 14 patents19881989: 8 patents1990: 11 patents19901991: 4 patents1992: 1 patents19921993: 1 patents1998: 1 patents1998

Top Inventors at Control Data All Time

Showing 151–192 of 192 inventors

RankNamePatents
#56 Robert W. Fluhrer 1
#56 Robert A. Johnson 1
#56 Robert W. Johnson 1
#56 Robert J. Johnson 1
#56 Robert F. Kubichek 1
#56 Robert Martin 1
#56 Roberta M. McConochie 1
#56 Robert W. Metzler 1
#56 Rolland R. Ritter 1
#56 Robert G. Schultz 1
#56 Roscella A. Whiting 1
#56 Spero Payton 1
#56 Sterling P. Newberry 1
#56 Steven C. Schuster 1
#56 Steven J. Sletten 1
#56 Steven Jay Young 1
#56 Thomas W. White 1
#56 Timothy I. Fillion 1
#56 Vijay K. Singhal 1
#56 Walter Tomkoski 1
#56 Wen S. Chein 1
#56 William G. Ehrich 1
#56 William C. Hohn 1
#56 William J. McKenna 1
#56 William M. Miller 1
#56 William J. Roling 1
#56 William L. Thomas 1
#56 Yulu Qi 1
#56 Richard J. Claeys 1
#56 Michael J. Julik 1
#56 Guy B. Beckley 1
#56 Lee R. Hartung 1
#56 Michael D. Halvorsen 1
#56 William H. Forlines 1
#56 David Kroft 1
#56 Edward V. Urness 1
#56 Philip R. Pombrio, Jr. 1
#56 Walter H. Jopke, Jr. 1
#56 Eugene G. Blumke 1
#56 Philippe Des Rioux 1
#56 Lawrence F. Bacchetti 1
#56 Andras G. Fule 1

Most Valuable Patents

PatentEst. ValueYear
Non-obtrusive programming monitor$2M1993

All 100 most valuable US patents →