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

Ion Systems — 41 Patents

Rank (All Time): #15,228 of 105,732Top 15%
26 inventors
41 Patents All Time

Patents per Year

Patents granted per year, 1982 to 2011Bar chart with a peak of 7 patents in 2004.peak 71982: 1 patents19821984: 2 patents1985: 1 patents1989: 2 patents19891990: 3 patents1991: 1 patents1995: 1 patents19951996: 1 patents1997: 1 patents1998: 1 patents19981999: 2 patents2000: 3 patents2001: 2 patents20012002: 1 patents2003: 3 patents2004: 7 patents20042005: 1 patents2006: 2 patents2007: 2 patents20072008: 1 patents2009: 1 patents2011: 2 patents2011

Top Inventors at Ion Systems All Time

Showing 1–26 of 26 inventors

RankNamePatents
1 Scott Gehlke 11
2 Peter Gefter 10
3 Leslie W. Partridge 7
#4 Michael G. Yost 6
#5 Ira J. Pitel 5
#5 Mark Blitshteyn 5
#7 Arnold J. Steinman 4
#7 Dennis A. Leri 4
#7 Lawrence Levit 4
#10 Gregory Vernitsky 3
#11 Alexander Ignatenko 2
#11 Aleksey Klochkov 2
#11 John Edgar Menear 2
#11 John K. O'Reilly 2
#11 Martin Graham 2
#11 Petr Gefter 2
#11 Stephen J. S. Gehlke 2
#18 Gopalan Vijaykumar 1
#18 Everett W. Stoub 1
#18 Grigoriy Vernitskiy 1
#18 Lisle R. Knight, Jr. 1
#18 Martin Beck 1
#18 Michael J. Leonard 1
#18 Sean Quigley 1
#18 Alexander Ignatenco 1
#18 Donald A. Gehlke 1