Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Coulter — 100 Patents

Rank (All Time): #6,913 of 105,732Top 7%
279 inventors
100 Patents All Time

Patents per Year

Patents granted per year, 1981 to 2002Bar chart with a peak of 15 patents in 1995.peak 151981: 1 patents19811984: 1 patents1985: 3 patents19851986: 1 patents1987: 2 patents19871988: 2 patents1989: 7 patents19891991: 5 patents1992: 7 patents19921993: 14 patents1994: 6 patents19941995: 15 patents1996: 8 patents19961997: 13 patents1998: 10 patents19981999: 2 patents2000: 1 patents20002001: 1 patents2002: 1 patents2002

Top Inventors at Coulter All Time

Showing 1–50 of 279 inventors

RankNamePatents
1 Olavi Siiman 23
1 Thomas Russell 15
3 Kenneth H. Kortright 13
#4 Wallace H. Coulter 11
#5 Alexander Burshteyn 17
#5 Carlos M. Rodriguez 14
#5 Ravinder K. Gupta 13
#8 Timothy J. Fischer 9
#9 Carole Young 18
#9 David E. Hofheinz 7
#9 John A. Maples 10
#9 Ronald Paul 8
#13 John D. Hollinger 6
#13 James H. Carter 7
#15 Gerald E. Jaffe 6
#15 Melissa J. Stiglitz 5
#15 Frank J. Lucas 9
#18 Constance M. Hajek 5
#18 Michael Elliott 6
#18 Nancy R. Naylor 4
#18 Paulette Smariga 4
#18 Robert Auer 4
#18 Santos E. Vargas 6
#18 Stephen F. Healy, Jr. 4
#18 Nicholas Parker 5
#26 Gary Toedter 3
#26 James N. Hoskinson 3
#26 Jorge A. Quintana 3
#26 Norma Sue Kenyon 3
#26 Patricia A. Roth 5
#26 Raul I. Pedroso 3
#26 Roberto Del Valle 4
#26 Robert H. Raynor 6
#26 Steven E. Bott 3
#26 Wade E. Bolton 4
#26 Wei-Hsin Hou 3
#26 Manuel Calvo 5
#26 Kyriakos Christou 4
#39 Candie S. Stoner 2
#39 Charles R. Shambaugh 2
#39 Cynthia G. Healy 2
#39 Edward O'Connell 2
#39 Etzer Ketant 2
#39 Gregory M. Butchko 2
#39 James C. Wood 2
#39 Kenneth D. Fraser 8
#39 Kenneth A. Lindblom 4
#39 Mark Lee Shenkin 2
#39 Peter Taylor 2
#39 Richard Alan WENMAN 2

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