Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Napa, CA ranks #1,937 worldwide for total patents filed in 2017, with 68 patents from 43 inventors. Leading employers of inventors based in Napa, CA include Dynacraft Bsc, Apple, Vactronix Scientific. That works out to 0.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–43 of 43 inventors

Rank Inventor Primary Company Patents
1 David Castrucci Dynacraft Bsc 6
2 Megan A. McClain Apple 4
2 Julio C. Palmaz Vactronix Scientific 4
#4 Daniel N. Hamilton Santen Pharmaceutical Co. 3
#4 Dominique Charmot Ardelyx 3
#4 Thomas E. Hoff Clean Power Research, L.L.C. 3
#4 Imtiaz A. Chaudry Schering 3
#8 David Patrick McCrane Implus Footcare 2
#8 Kelly Lane Schwarzhoff Open Invention Network Llc Nc 2
#8 John Angelo Carpinelli Implus Footcare 2
#8 Michael C. Shaughnessy-Culver Synopsys 2
#8 William C. Weber Alberto Culver 2
#8 Alexandre Rachid Kaidi 2
#14 Daniel Mufson Alexza Pharmaceuticals 1
#14 Ian Blake Cordle 1
#14 David Bosi Chevron 1
#14 Stephen E. Aycock Integrated Device Technology 1
#14 Craig A. Johanson Fulfillium 1
#14 Emanuel Dimitri Volakis 1
#14 Timothy W. Yarlott 1
#14 Timothy P. Jahnigen 1
#14 Sean Morham Applied Silver 1
#14 Erik Franco Fair Isaac 1
#14 Patrick Angeles Unknown 1
#14 Rodger A. Bell 1
#14 Timothy R. Ervin 1
#14 Andrew Michael Livingston Jane Technologies 1
#14 Douglas C. Fritz 1
#14 Tom Grimm Throwmotion 1
#14 Timothy Parsons Google 1
#14 Gabriel Richard Pack Mcafee 1
#14 J. Michael Delmage B. Braun Avitum Ag 1
#14 Kendall W Pope 1
#14 Daniel Freifeld Electro Scientific Industries 1
#14 Alex BLITSTEIN 1
#14 Anthony Mendelson 1
#14 David Bishop Pacesetter 1
#14 Stephen M. Salmon Cardiovascular Imaging Systems 1
#14 Mark B. Taub Fulfillium 1
#14 Ellen Falcinelli 1
#14 Larry E. Brown Kimberly-Clark Worldwide 1
#14 Daniel Mufson Aquesys 1
#14 Jose C. Velasquez 1

Part of California