Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Changzhou City, CN ranks #4,126 worldwide for total patents filed all time, with 687 patents from 26 inventors. Leading employers of inventors based in Changzhou City, CN include Hrl Laboratories, Nanjing Chervon Industry Co., Baidu Online Network Technology (Beijing) Co..

Showing 1–26 of 26 inventors

Rank Inventor Primary Company Patents
1 Ping Liu Hrl Laboratories 103
2 Hongwei Wang Nanjing Chervon Industry Co. 90
3 Feng Zhou Baidu Online Network Technology (Beijing) Co. 74
#4 Xiaohui Chen GE 38
#5 Xudong Yan Aac Microtech (Changzhou) Co. 34
#6 Jiajia Li Advanced New Technologies Co. 33
#7 Wenwei Wang Sk Hynix 31
#8 Hang Shi Futurewei Technologies 30
#9 Xu Zhang Linear Technology Holding 29
#10 Kan Liu Google 28
#10 Hong Chen Trina Solar Co. 28
#12 Hongbing Zhang Five Prime Therapeutics 27
#13 Jianlong Zhang 24
#14 Liang Chen Changxin Memory Technologies 23
#15 Hongxin Yang Avalanche Technology 15
#16 Min Shen Changzhou University 14
#17 Pengyu Wang Shanghai Jiao Tong University 13
#18 Lulu Zhang Calb Co. 12
#19 Zhibing Liu Synaptics Incorporated 8
#20 Hongbo Tang Synopsys 7
#20 Pierre J. Verlinden Sunpower 7
#22 Song Qian Novatek Microelectronics 6
#23 Shu Zhang Qualcomm 5
#24 Mingjun Zhao Avanex 4
#25 Yi Xie Globe (Jiangsu) Co. 2
#25 Jingyuan Cao Applied Stemcell 2

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