Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Foster City, CA ranks #143 worldwide for total patents filed in 2017, with 830 patents from 395 inventors. Leading employers of inventors based in Foster City, CA include Cisco, Visa, Cytokinetics. That works out to 24.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 395 inventors

Rank Inventor Primary Company Patents
1 Jonathan W. Hui Cisco 40
2 Ayman Hammad Visa 13
3 Xiangping Qian Cytokinetics 12
#4 Andrew Buchanan Gault Sony 9
#4 XIN-YUAN WU Foxconn 9
#4 Jiazhong Zhang Plexxikon 9
#4 Somasekhar Bhamidipati Rigel Pharmaceuticals 9
#8 Madhusudan K. Iyengar IBM 8
#8 David Lowe Winview 8
#8 Jongmin Baek Samsung 8
#11 Junfa Fan Chemocentryx 7
#11 Orit Foord AbbVie 7
#11 Qing Xu Global Blood Therapeutics 7
#11 Zice Fu Amgen 7
#11 Doe Hyun Yoon LG 7
#11 Penglie Zhang Chemocentryx 7
#11 Sanjeev Gangwar Bristol-Myers Squibb 7
#18 Guoxian Wu Plexxikon 6
#18 Michael George Farley Tile 6
#18 Fang Wang Gilead Pharmasset 6
#18 Yonghong Song Portola Pharmaceuticals 6
#22 Gregory Steven Wagner Zenith Epigenetics 5
#22 Yajun Zheng Vitae Pharmaceuticals 5
#22 Victor Octav Suba Miura 5
#22 Ernest A. Carra Gilead Sciences 5
#22 Richard Marks Sony 5
#22 Aditya R. Ganjam Conviva 5
#22 Eric McCallister Bennett Gopro 5
#22 Feng Tian Mks Instruments 5
#22 Katsumi Nagata Toyota 5
#22 Lan Wang Genentech 5
#22 Britton Kenneth Corkey Gilead Sciences 5
#22 Xiaodong Mao Sony 5
#22 Mark S. Smyth Onyx Therapeutics 5
#35 Yibin Zeng Chemocentryx 4
#35 James F. Kramer Groupon 4
#35 Hui Shao AbbVie 4
#35 Petr Jansa Gilead Sciences 4
#35 Mohamed Soliman Halliburton Energy Services 4
#35 Nicholas J. Cardell Sony 4
#35 Michael P. Arend Fibrogen 4
#35 Atiyeh Ghoreyshi Google 4
#35 Vahid Zia Gilead Sciences 4
#35 Reza Oliyai Gilead Sciences 4
#35 Prem Krish Energy Recovery 4
#35 Taeho Kgil Visa 4
#35 Haolun Jin Gilead Sciences 4
#35 Kuan-Chieh Yen Dolby Laboratories Licensing 4
#35 Utsaw Kumar Intel 4
#35 Dmitry Koltun Gilead Sciences 4

Part of California