Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

San Fernando, CA ranks #361 worldwide for total patents filed all time, with 8,722 patents from 2,303 inventors. Leading employers of inventors based in San Fernando, CA include Prince Sports, Movandi, Qualcomm. That works out to 364.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 2,303 inventors

Rank Inventor Primary Company Patents
1 Stephen J. Davis Prince Sports 100
2 Farid Shirinfar Movandi 91
3 Xiliang Luo Qualcomm 81
#4 Albert G. Bodine Tri-State Oil Tools 67
#5 Scott Schumacher IBM 55
#5 Kenneth M. Sprouse RTX (Raytheon) 55
#7 Eric M. Lorenzen Medtronic 51
#8 William S. Fortune Edsyn 50
#9 Ben M. Hsia 49
#10 Jeffery W. Nicholson Anthony 45
#10 Christopher Glupker Bradshaw Home 45
#12 Craig V. Taylor Ramtron International 41
#12 Wayne A. Morgan Medtronic 41
#14 Alan Z. Ullman The Boeing 40
#14 Matthew William Yavorsky Medtronic 40
#14 Douglas R. Jungwirth The Boeing 40
#17 Gordon W. Culp 37
#17 Charles J. McPhee I-Flow 37
#19 Juan M. Alderete, Jr. Medtronic 36
#20 Christopher A. Bang Microfabrica 33
#20 Elliott Baumbach Disney 33
#22 Benjamin Grill Sturman Bg 32
#23 Jack R. Lewis La-Z-Boy Incorporated 30
#24 Pradip V. Choksi American Hospital Supply 29
#25 Donald Masters Scimed Life Systems 28
#25 Bruce W. Smith Rochester Institute Of Technology 28
#25 Ted Judd Amgen 28
#28 William J. Seiler Elonex Ip Holdings 27
#28 Jeffrey F. Field Medsolve Technologies 27
#28 John A. Werner Eli Lilly 27
#28 Harold J. Hamilton Sentera 27
#32 Paul Edmund Baker The Procter & Gamble 26
#32 Henry V. Krigmont Wahlco 26
#32 Walter Wolf Behr Gmbh & 26
#32 Christopher G. Griffin Medtronic 26
#32 Zareh Khachatoorian Olympia Industrial 26
#37 Carlos M. Santana Apple 25
#37 Irwin L. Newberg Hughes Aircraft 25
#39 William A. Edwards Lancer 24
#39 Daniel H. Villegas Medtronic 24
#39 Joshua Allan Fuchs Arkade 24
#39 Gopikrishnan Soundararajan Medtronic 24
#39 Clyde L. Tichenor Unknown 24
#39 Emmanuel A. Hanna Bobrick Washroom Equipment 24
#39 John Stockwell 3D Systems 24
#39 Gary Martin Zelman 24
#39 Daniel K. Smith Specialized Health Products 24
#48 Mark Sandnes Anthony 23
#48 Yann Schrodi Materion 23
#48 Mun Pook Lui Boston Scientific 23

Part of California