Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chengdu, CN ranks #189 worldwide for total patents filed in 2021, with 700 patents from 476 inventors. Leading employers of inventors based in Chengdu, CN include Southwest Petroleum University, Huawei, Chengdu Qinchuan Iot Technology Co..

Showing 1–50 of 476 inventors

Rank Inventor Primary Company Patents
1 Jianchun Guo Southwest Petroleum University 7
1 Mao Yan Huawei 7
3 Sainan Li Huawei 6
3 Jinzhou Zhao Southwest Petroleum University 6
3 Zehua SHAO Chengdu Qinchuan Iot Technology Co. 6
#6 Wei Wang Shanghai Icekredit 5
#6 Bo Gou Southwest Petroleum University 5
#6 Qingxiao Zheng Emc Ip Holding Company 5
#6 Hong ZENG Sichuan Kelun-Biotech Biopharmaceutical Co. 5
#6 Kuandong Gao Huawei 5
#6 Kun Xiao 5
#12 Xiaolong Wu Sz Dji Technology Co. 4
#12 Qingyou Liu Southwest Petroleum University 4
#12 Shouwei Zhou Southwest Petroleum University 4
#12 Dong Zhang Beijing Boe Technology 4
#12 Pan Fang OPPO 4
#12 Wenfeng Wu Ae Technologies Co. 4
#12 Ming Li No.59 Institute Of China Ordnance Industry 4
#12 Xiaozhang LEI Sichuan University 4
#12 Hanwen Guo Nanhua Intelligent Precision Machine (Shenzhen) Co. 4
#12 Wenxi Fu Sichuan University 4
#12 Xiaona Wang Huawei 4
#12 Hua Du 4
#12 Jianliang Pei Sichuan University 4
#12 Jun Zheng Southwest Jiaotong University 4
#12 Yuanjun Cen University Of Electronic Science And Technology Of China 4
#12 Guorong Wang Southwest Petroleum University 4
#12 Youshi Jiang Southwest Petroleum University 4
#12 Chao Zuo Nanjing University Of Science And Technology 4
#30 Zheng Fan Asml Netherlands B.V. 3
#30 Yong Xiang Zhaoqing Hejia Electronics Co. 3
#30 Shuai Du Huawei 3
#30 Zhongyi Zhou Emc Ip Holding Company 3
#30 Huining Xu Sichuan University 3
#30 Weihua Zhang Samsung 3
#30 Yongquan Hu Southwest Petroleum University 3
#30 Zhide Wu Research Institute Of Petroleum Exploration & Development, Petrochina Company Limited 3
#30 Hongwei Yang Alcatel Lucent 3
#30 Jing Qiu Huawei 3
#30 Jianhui DENG Sichuan University 3
#30 Yanjie Lian Chengdu Monolithic Power Systems Co. 3
#30 Liqiang Zhao Southwest Petroleum University 3
#30 Jin Sha BOE 3
#30 Jingchao Feng Beijing Baidu Netcom Science Technology Co. 3
#30 Shuai SONG Sichuan Kelun-Biotech Biopharmaceutical Co. 3
#30 Chaoneng Zhao Southwest Petroleum University 3
#30 Ming Yue University Of Science And Technology Beijing 3
#30 Moshu Zhu 3
#30 Jun Qin Huawei 3
#30 Yong Ouyang Sichuan Energy Internet Research Institute, Tsinghua University 3