Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Lanzhou, CN ranks #4,416 worldwide for total patents filed all time, with 626 patents from 287 inventors. Leading employers of inventors based in Lanzhou, CN include Sz Dji Technology Co., Lanzhou Institute Of Chemical Physics, Chinese Academy Of Sciences, State Grid Corporation Of China.

Showing 1–50 of 287 inventors

Rank Inventor Primary Company Patents
1 Yuanwen Chen 17
2 Jiangang FENG Sz Dji Technology Co. 16
3 Chungu Xia Lanzhou Institute Of Chemical Physics, Chinese Academy Of Sciences 12
3 Shiyuan Zhou State Grid Corporation Of China 12
#5 Jinquan Zhang Gree Green Refrigeration Technology Center Co., Ltd. Of Zhuhai 11
#6 Liang Hua Wu IBM 10
#7 Yanping Wu Alibaba 9
#7 Jianmei Zhang Huawei 9
#7 Jingzhong Li Lanzhou Jiaotong University 9
#10 Shu Guo Asustek Computer 8
#10 Yanhong Ma Gansu Electric Power Corporation Wind Power Technology Center 8
#10 Ningbo Wang State Grid Corporation Of China 8
#13 Xiangtao Liu Lanzhou Veterinary Research Institute, Chinese Academy Of Agricultural Sciences 7
#13 Heyuan Song Lanzhou Institute Of Chemical Physics, Chinese Academy Of Sciences 7
#13 Xinguo Liu Microsoft 7
#13 Yi Wang Petrochina Company Limited 7
#13 Liwu Li Northwest Institute Of Eco-Environment And Resources, Cas 7
#18 Caixia Zhang Beijing University Of Technology 6
#18 Youquan Deng Lanzhou Institute Of Chemical Physics, Chinese Academy Of Sciences 6
#18 Guodong Shen Dow Silicones 6
#18 Xiaorong Gao Tsinghua University 6
#18 Haowen Yan Lanzhou Jiaotong University 6
#23 Xingnian Fu Novartis Ag 5
#23 Dong Ji Petrochina Company Limited 5
#23 Min Jia Tianhua Institute Of Chemical Machinery And Automation Co. 5
#23 Min Deng Foxconn 5
#23 Yongtao Zhao Shanghai Zhaoxin Semiconductor Co. 5
#23 Yapeng Cao Northwest Institute Of Eco-Environment And Resources, Cas 5
#23 Guo Zhao IBM 5
#23 Xia Tang Chengdu Boe Optoelectronics Technology Co. 5
#31 Hongxuan Li Lanzhou Institute Of Chemical Physics, Cas 4
#31 Qiyue Yang Northwest Institute Of Eco-Environment And Resources, Cas 4
#31 Zhilu Liu Lanzhou Institute Of Chemical Physics, Chinese Academy Of Sciences 4
#31 Zhongfu Zhan Tianhua Institute Of Chemical Machinery And Automation Co. 4
#31 Yongping Bao Lanzhou Institute Of Chemical Physics, Cas 4
#31 Guohui Zhao Hangzhou Hikvision Digital Technology Co. 4
#31 Wei Wu Institute Of Modern Physics, Chinese Academy Of Sciences 4
#31 Yu Liu Beijing Baidu Netcom Science Technology Co. 4
#31 Baoguang Shi Tencent 4
#31 Kui Han Flextronics Ap 4
#31 Yingqin Wu Northwest Institute Of Eco-Environment And Resources, Cas 4
#31 Xiaohong Liu Lanzhou Institute Of Chemical Physics, Cas 4
#31 Yonggong LING Tianhua Institute Of Chemical Machinery And Automation Co. 4
#44 Haijun Jia Alibaba 3
#44 Penghui Yang 3
#44 Yongmin Liang National Tsing Hua University 3
#44 Yi Ru Lanzhou Veterinary Research Institute, Chinese Academy Of Agricultural Sciences 3
#44 Qing Chang Peking University Shenzhen Graduate School 3
#44 Lujie Wang Lanzhou Institute Of Chemical Physics, Cas 3
#44 Zhuhui Qiao Lanzhou Institute Of Chemical Physics, Cas 3