Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ontario, CA ranks #1,882 worldwide for total patents filed in 2016, with 64 patents from 26 inventors. Leading employers of inventors based in Ontario, CA include Mag Instrument, TSMC, Cisco. That works out to 0.4 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–26 of 26 inventors

Rank Inventor Primary Company Patents
1 Anthony Maglica Mag Instrument 12
2 Wei-Chieh Huang TSMC 6
2 WenYi Hsu 6
#4 Yuan Xu Cisco 4
#4 Yongming Sui Field Sport 4
#6 Spiros Dimitratos Inscent 3
#6 Robert J. Blainey IBM 3
#6 Pablo J. Ertze Landmark Enterprise 3
#6 Sayandro Versteylen Paper-Pak Industries 3
#10 Bradly Anderson Rsi Home Products Management 2
#10 Yong Sun Catry International Group 2
#10 Jose Jimenez Biosense Webster (Israel) 2
#13 Wayne Russell Power Probe Group 1
#13 Kevin-Dirk Pesirla Closas Direct Pack 1
#13 Barbara Erwin Claremont Biosolutions 1
#13 Glen P. Roumayah Hussmann 1
#13 Damon Wesley Choate, Jr. Niagara Bottling 1
#13 Lance S. Doddridge The United States Of America, Represented By The Secretary Of The Navy 1
#13 Albert Hindelang Custom Fibreglass Manufacturing 1
#13 Donald P. Lorento Sms Concast Ag 1
#13 Matthew Paul Fried 1
#13 Bernie Vander Molen 1
#13 Steven V. Rowles Unknown 1
#13 Garry Tye Tempo Industries 1
#13 Anthony Carmen Gallo Open Text 1
#13 Reilly James Flynn Oldcastle Precast 1

Part of California