Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Changsha, CN ranks #1,830 worldwide for total patents filed all time, with 1,808 patents from 747 inventors. Leading employers of inventors based in Changsha, CN include Haier Smart Home Co., China Electronic Technology Corporation, 24Th Research Institute, Jiangsu Tasly Diyi Pharmaceuticals Co..

Showing 1–50 of 747 inventors

Rank Inventor Primary Company Patents
1 Ning Wang Haier Smart Home Co. 35
2 Jian Wang China Electronic Technology Corporation, 24Th Research Institute 25
3 Wei Zhou Jiangsu Tasly Diyi Pharmaceuticals Co. 24
#4 Zhaona Liu 23
#4 Junjie Deng Huawei 23
#6 Li Ma Tsinghua University 22
#7 Yi-Hsuan Liu TSMC 21
#7 Xin Wang Hunan University 21
#9 Weijia Wen Hong Kong University Of Science And Technology 20
#9 Cui Chen Shuangma Plastic Manufacturing 20
#9 Juan Zhao Intel 20
#12 Fei Jiang Giti Radial Tire (Anhui) Company 17
#12 Min Ai Hunan Sijiu Technology Co. 17
#12 Ci-moo Song Samsung 17
#15 Libo Zhou Toyota 14
#16 Deke Guo National University Of Defense Technology 13
#16 Caiping Liu Lifetech Scientific (Shenzhen) Co. 13
#18 Gang Ou Asm Technology Singapore Pte 12
#18 Wenxiong Huang Hunan Sijiu Technology Co. 12
#18 Cong Mao Qingdao University Of Technology 12
#18 Zuosi Rao Dongguan Jierui Sports Goods Co. 12
#18 Zhiyong Wu Availink 12
#23 Min Fu Beijing Qihoo Techology Company Limited 11
#23 Shuijing Zhu Shenzhen Kaidu Linghang Technology Co. 11
#23 Ben Mou Qingdao University Of Technology 11
#26 Hongli Che Changsha Sinocare 10
#26 Xiang Zhou Foxconn 10
#26 Hao Wu ITRI 10
#29 Zuming Liu Central South University 9
#29 Zhikang Shuai Hunan University 9
#29 Fangyuan Jiang Anker Innovations Technology Co. 9
#29 Bangxing Xie Hunan Sijiu Technology Co. 9
#33 Wei Xiao Hisense Laser Display Co. 8
#33 Kai Peng Central South University 8
#33 Yaonan Wang Hunan University 8
#36 Jianguo Wei Huawei 7
#36 Jianwen Ding Ave Science & Technology Co. 7
#36 Xuekun Yu Tencent 7
#36 Xinli Wu Beijing Founder Electronics Co. 7
#36 Shijian Liu Shanghai Weiling Electronics Co. 7
#36 Xiaoxiang Wang Covestro Deutschland Ag 7
#36 Wen-Hsien Su Coretronic 7
#43 Xianxiang Chen Institute Of Electronics, Chinese Academy Of Sciences 6
#43 Sixin Wang National University Of Defense Technology 6
#43 Yanjie Liang Central South University 6
#43 Xiaqing Liu State Grid Corporation Of China 6
#43 Ke Li Pioneer Pet Products 6
#43 Xiaolin Yin Modu 6
#43 Qiaobing Rao Lens Technology (Changsha) Co. 6
#43 Yinpeng Qu Hunan University 6