Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Schomberg, CA ranks #13,130 worldwide for total patents filed all time, with 131 patents from 25 inventors. Leading employers of inventors based in Schomberg, CA include Ionics Mass Spectrometry Group, Macdonald, Dettwiler And Associates, No Sacrifice Bags.

Showing 1–25 of 25 inventors

Rank Inventor Primary Company Patents
1 Charles Jolliffe Ionics Mass Spectrometry Group 33
2 Steve Fisher Macdonald, Dettwiler And Associates 30
3 Donna Lee Elizabeth Lehtonen No Sacrifice Bags 15
#4 David Bridson Oates Lafarge Canada 11
#5 John Malcolm Dialog Semiconductor 5
#6 Michael Gericke Tesma International 4
#7 Paul O'Brien Reynolds Metals 3
#7 Albert Kuhner Rothmans Of Pall Mall Canada Limited 3
#7 Russel Vincent Gillis 3
#7 Gordon Rife Canadian Space Agency 3
#7 William Gugg Seiko Epson 3
#7 Mark A. Symmes Dw Associates 3
#13 Jeffrey Boyd Siebel Systems 2
#13 T. Kirkwood Tierney 2
#15 Friedrich Rudolf Kralits 1
#15 Kirkwood Tierney 1
#15 Valerie Walker 1
#15 Christopher Robert Kovach Multimatic 1
#15 Vincent Martella 1
#15 Gerhard Bork Seiko Epson 1
#15 Thomas K. Tierney 1
#15 Johannes H. Mevissen Litens Automotive Partnership 1
#15 John S. Malcom 1
#15 Johnson Lee Renshaw 1
#15 Valentine Burda Scintrex Limited 1