Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Lanzhou, CN ranks #3,242 worldwide for total patents filed in 2021, with 37 patents from 29 inventors. Leading employers of inventors based in Lanzhou, CN include Sz Dji Technology Co., Gree Green Refrigeration Technology Center Co., Ltd. Of Zhuhai, Lanzhou Institute Of Chemical Physics, Chinese Academy Of Sciences.

Showing 1–29 of 29 inventors

Rank Inventor Primary Company Patents
1 Jiangang FENG Sz Dji Technology Co. 6
2 Jinquan Zhang Gree Green Refrigeration Technology Center Co., Ltd. Of Zhuhai 3
3 Yuxiong Guo Lanzhou Institute Of Chemical Physics, Chinese Academy Of Sciences 2
#4 Zhengfeng Ma Lanzhou Institute Of Chemical Physics, Chinese Academy Of Sciences 1
#4 Limin Chang Unknown 1
#4 Zhimin Lin Unknown 1
#4 Liangbi Wang Unknown 1
#4 Shiyuan Zhou State Grid Corporation Of China 1
#4 Xiangtao Liu Lanzhou Veterinary Research Institute, Chinese Academy Of Agricultural Sciences 1
#4 Wansheng Liang University Of Arizona 1
#4 Min Jia Tianhua Institute Of Chemical Machinery And Automation Co. 1
#4 Caixia Zhang Beijing University Of Technology 1
#4 Ningbo Wang State Grid Corporation Of China 1
#4 Changyou Yan Lanzhou Institute Of Chemical Physics, Chinese Academy Of Sciences 1
#4 Junrun Wang Yangzhou University 1
#4 Ningning Zhu Unknown 1
#4 Liangcheng Wang Unknown 1
#4 Yu Liu Beijing Baidu Netcom Science Technology Co. 1
#4 Yongtao Zhao Shanghai Zhaoxin Semiconductor Co. 1
#4 Wanling Hu Unknown 1
#4 Kewei Song Unknown 1
#4 Yingtang Li Unknown 1
#4 Zhanwen Ma Yangzhou University 1
#4 Jing Zhi Shanghai Jiao Tong University 1
#4 Nianzong Bai Shanghai Jiao Tong University 1
#4 Wenhe Zhou Unknown 1
#4 Ze'en Yao Yangzhou University 1
#4 Penggao Chen Unknown 1
#4 Zhilu Liu Lanzhou Institute Of Chemical Physics, Chinese Academy Of Sciences 1