Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Cupertino, CA ranks #27 worldwide for total patents filed in 2020, with 4,038 patents from 1,575 inventors. Leading employers of inventors based in Cupertino, CA include Globalfoundries, Apple, Sony. That works out to 66.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 1,575 inventors

Rank Inventor Primary Company Patents
1 Hui Zang Globalfoundries 78
2 Paul X. Wang Apple 34
3 Ali Tabatabai Sony 31
3 Hong He Apple 31
#5 Haitong Sun Apple 28
#6 Navindra Yadav Cisco 27
#7 Jayant Jain Nicira 26
#7 Guoqing Li Apple 26
#9 Yuniarto Widjaja Zeno Semiconductor 24
#10 Zhu Ji Apple 23
#10 Debdeep Chatterjee Apple 23
#12 Marcelo Lamego Masimo 22
#13 Tiffany S. Jon Apple 21
#13 James R. Wilson Apple 21
#13 Pierre Perez Molex 21
#13 Charles Chew-Yuen Young TSMC 21
#17 Li Su Apple 20
#17 Paolo Sacchetto Apple 20
#19 Yuchul Kim Apple 19
#20 Balaram Sinharoy IBM 18
#20 Pankaj Thakkar Nicira 18
#22 Dmitry Lubomirsky Applied Materials 17
#22 Shih Chang Chang Apple 17
#22 Xiangying Yang Apple 17
#25 Chunhua Li Align Technology 16
#25 Michele Piccardi Micron 16
#25 Gang He Honeywell 16
#28 Sunil Kumar Emc Ip Holding Company 15
#29 Yan Wu Headway Technologies 14
#29 Daniel B. Pollack Apple 14
#29 Mostafa Tofighbakhsh AT&T 14
#29 Yi Jiang Apple 14
#29 Kyung Suk Oh Rambus 14
#34 Tianyan Pu Apple 13
#34 Jun Tao Western Digital Technologies 13
#34 Mohit Narang Apple 13
#34 Tanveer F. Syeda-Mahmood IBM 13
#38 Ramana Rao Kompella Cisco 12
#38 Ynjiun P. Wang Hand Held Products 12
#38 Raja Kommula Broadcom 12
#38 Hyewon Lee Samsung 12
#42 Keiji Mabuchi Sony 11
#42 Jia Tang Apple 11
#42 Shahrnaz Azizi Intel 11
#42 Warren S. Rieutort-Louis Apple 11
#42 Debargha Mukherjee Google 11
#42 Masaaki Higashitani Sandisk Technologies 11
#48 Nuwan Jayasena AMD 10
#48 Jiang Zhu Tencent 10
#48 Lakshmi N. Kavuri Apple 10

Part of California