Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chino, CA ranks #1,950 worldwide for total patents filed all time, with 1,662 patents from 387 inventors. Leading employers of inventors based in Chino, CA include Magnecomp, Biosense Webster, Systech. That works out to 18.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 387 inventors

Rank Inventor Primary Company Patents
1 Kuen Chee Ee Magnecomp 99
2 Jeffrey W. Schultz Biosense Webster 58
3 Duo Zhang Systech 43
#4 Armin Ahrari Hubbell Incorporated 42
#5 Anthony J. Carsello Emhart 36
#6 James R. Kesler Schweitzer Engineering Laboratories 32
#7 Mahesan Chelvayohan Lexmark International 28
#8 Rodolfo Gaba Graphic Controls 26
#8 Rong Wang Ocean'S King Lighting Science & Technology Co. 26
#10 Cemin Zhang Chengdu Sicore Semiconductor Corp. 24
#11 Rudy B. Meoli, Jr. Unknown 22
#12 Harald Belker Anki 21
#13 Sherman P. Grider Tuffstuff Fitness Equipment 20
#14 Frank Hsu Apple 18
#15 Brett Robinson Sentinel Connector Systems 17
#16 Stephen S. Macey Watkins Manufacturing 16
#17 Michael P. Leonhardt Abl Ip Holding 15
#17 Dan Blom Aqua Star 15
#19 Samuel Sentosa Superior Communications 14
#19 Luffy Zongxian Liu 14
#21 Alan N. McGrevy Caco Pacific 13
#22 Fred R. McAlister Mag Instrument 12
#22 Rex Wiig 12
#22 James S. Magdych Mcafee 12
#22 Frode Sveen Pacseal Group 12
#26 Russell H. Matthews Elcon Products International 11
#26 Neal S. ElAttrache Arthrex 11
#26 Reza Tayrani RTX (Raytheon) 11
#26 Gary P. Rochelle Alpha-Western 11
#26 Robert Su Rca 11
#26 Lynn A. Dudley Vortox 11
#26 Dustin Jeffery Gordon Krogstad Meta 11
#33 Edward Duncan Hubbell Incorporated 10
#33 Brandon Giraldez Jakks Pacific 10
#33 Steven Christopher Vazquez Panasonic 10
#33 Donald R. Taylor 10
#33 Michael J. Sotelo RTX (Raytheon) 10
#33 John Brad Medine Safariland 10
#33 Hong Lip Yow Afc Trident 10
#33 Warren Liu Godirectinc.Com 10
#41 Robert H. Lin Caltech 9
#41 Visith Chung Edwards Lifesciences 9
#41 Anthony Chan P.O.P. Displays 9
#41 Alan J. Arena Nuvasive Specialized Orthopedics 9
#41 Tony Matijevich 9
#41 Yi-Chieh Su Afc Trident 9
#41 Shaoching Sung 9
#41 William F. Fling 9
#49 John L. Conley 8
#49 Donald E. Scruggs 8

Part of California