Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chengdu, CN ranks #352 worldwide for total patents filed all time, with 8,840 patents from 2,669 inventors. Leading employers of inventors based in Chengdu, CN include Chengdu Qinchuan Iot Technology Co., Dell Products, BOE.

Showing 1–50 of 2,669 inventors

Rank Inventor Primary Company Patents
1 Zehua SHAO Chengdu Qinchuan Iot Technology Co. 304
2 Yaqiang QUAN Chengdu Qinchuan Iot Technology Co. 141
3 Xiaojun WEI Chengdu Qinchuan Iot Technology Co. 113
#4 Haitang XIANG Chengdu Qinchuan Iot Technology Co. 88
#5 Junyan ZHOU Chengdu Qinchuan Iot Technology Co. 80
#6 Yongzeng LIANG Chengdu Qinchuan Iot Technology Co. 59
#7 Yuefei WU Chengdu Qinchuan Iot Technology Co. 54
#8 Chi Chen Dell Products 51
#8 Li Sheng Liu BOE 51
#10 Mao Yan Huawei 44
#11 Kun Xiao 43
#11 Hongwei Yang Alcatel Lucent 43
#13 Jing Qiu Huawei 41
#14 Zhiqiang Sun On-Bright Electronics (Shanghai) Co. 37
#15 Qingxiao Zheng Emc Ip Holding Company 35
#16 Jun Zheng Southwest Jiaotong University 34
#17 Kuandong Gao Huawei 33
#18 Jianwei Zhao Carrier 32
#18 Qingyou Liu Southwest Petroleum University 32
#20 Huijuan Fan Dell Products 31
#20 Kai Wang China Automotive Technology And Research Center Co. 31
#22 Guorong Wang Southwest Petroleum University 30
#23 Ling Chen Shenzhen University 29
#23 Jinzhou Zhao Southwest Petroleum University 29
#25 Liang Wan Texas Instruments 28
#25 Weihua Zhang Samsung 28
#25 You Li Huawei 28
#25 Shitong Yuan Huawei 28
#29 Zhenxing Zhang Tencent 25
#29 Yang Ju China University Of Mining And Technology-Beijing 25
#31 Huining Xu Sichuan University 24
#32 Sainan Li Huawei 23
#33 Pingya Luo Southwest Petroleum University 22
#33 Zhihui Wen Chengdu Qinchuan Iot Technology Co. 22
#33 Yuquan Wei Sichuan University 22
#33 Jing PING Nokia Technologies Oy 22
#37 Xiaolong Wu Sz Dji Technology Co. 21
#37 Hailan Dong Dell Products 21
#37 Xuefeng Sun Positec Power Tools (Suzhou) Co. 21
#40 Yun-Hsin Wang ITRI 20
#40 Jia He Huawei 20
#40 Jianchun Guo Southwest Petroleum University 20
#40 Jianliang Pei Sichuan University 20
#44 Peng Lan Huawei 19
#44 Yao-Tung Wang Chunghwa Picture Tubes 19
#44 Jun Qin Huawei 19
#44 Nan Wang Dell Products 19
#44 Zhi Cheng Shenzhen Futaihong Precision Industry Co. 19
#44 Chaojun Zhao Emc Ip Holding Company 19
#50 Jingchao Feng Beijing Baidu Netcom Science Technology Co. 18