Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Shanghai, CN ranks #1,336 worldwide for total patents filed all time, with 2,522 patents from 137 inventors. Leading employers of inventors based in Shanghai, CN include Quectel Wireless Solutions Co., Tencent, Bristol-Myers Squibb.

Showing 1–50 of 137 inventors

Rank Inventor Primary Company Patents
1 Zheng Zhao Quectel Wireless Solutions Co. 119
2 Lei Wu Tencent 86
3 Charles Z. Ding Bristol-Myers Squibb 77
#4 Kai Xin Huawei 61
#5 Yu Zhang Novozymes 60
#6 Jian Zhao Shanghai Tianma Micro-Electronics Co. 58
#7 Jiacheng Ni Dell Products 55
#7 Jun Lu Commvault Systems 55
#7 Yufu Li Johnson & Johnson 55
#10 Kevin X. Chen Schering 54
#11 Hong Shen Hoffmann-La Roche 49
#12 Weikang Tao Shanghai Hengrui Pharmaceutical Co. 48
#13 Tao Guo Pharmacopeia Drug Discovery 47
#14 Dong Xiao Merck 46
#14 Xing Dai Merck 46
#16 Yufeng Li Innovation 45
#17 Qiang Fan Huawei 44
#18 Haoyu Wang IBM 41
#19 Hang Yin Huawei 40
#20 Shijie Liu Tianjin Bytedance Technology Co. 39
#21 Fei Shen O-Net Automation Technology (Shenzhen) Company Limited 38
#21 Sean Chen Bristol-Myers Squibb 38
#21 Xin Xu Tianma Microelectronics Co. 38
#24 Jun Liu AT&T 33
#25 Yuan Ding Shanghai Tianma Micro-Electronics Co. 31
#25 Jun Chen Ascensia Diabetes Care Holdings Ag 31
#25 Ying Ye Bristol-Myers Squibb 31
#28 Yubo Yang Huawei 30
#29 Bo Huang Zte 29
#30 Linus S. Lin Merck 28
#30 Yueheng Jiang Inventisbio Co. 28
#30 Ji Zhang Novartis Ag 28
#33 Cong Yao Toshiba Medical Systems 27
#33 Xiaoyong Fu Schering 27
#35 Qingbei Zeng Schering 26
#36 Li Zhang Siemens Healthcare Limited 25
#36 Yaolin Wang Inventisbio Co. 25
#36 Minjie Chen MIT 25
#36 Shau-Lin F. Chen Basf Se 25
#40 Naresh Dhirajlal Ghatlia Unilever Home & Personal Care Usa, Division Of Conopco 23
#41 Fei-Yun Chen TSMC 21
#41 Xin-Jie Chu Hoffmann-La Roche 21
#41 Jingyuan Liu Qualcomm 21
#41 Qi Gao Bristol-Myers Squibb 21
#41 Yifan Hu AT&T 21
#46 Yinan Zhang Northwestern University 20
#47 Hua Zhong Johnson & Johnson 19
#48 Yiyong Sun Siemens Aktiengesellschaft 18
#48 Xue-Qing Zhang Suzhou Eagle Electric Vehicle Manufacturing Co. 18
#48 Zhenping Zhu Sunshine Guojian Pharmaceutical (Shanghai) Co. 18

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