Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chongqing, CN ranks #983 worldwide for total patents filed all time, with 3,434 patents from 1,168 inventors. Leading employers of inventors based in Chongqing, CN include Hkc Corporation Limited, Disney, IBM.

Showing 1–50 of 1,168 inventors

Rank Inventor Primary Company Patents
1 Haijiang Yuan Hkc Corporation Limited 118
2 Yu-Hao Huang Disney 69
3 En-Tsung Cho Hkc Corporation Limited 62
#4 Min Gong IBM 55
#5 Guangbing Chen No.24 Research Institute Of China Electronics Technology Group 41
#6 Heping Zeng Chongqing Institute Of East China Normal University 40
#7 Hui Fang Otis Elevator 39
#8 Dongbing Fu No.24 Research Institute Of China Electronics Technology Group 35
#8 Hejing Zhang Tencent 35
#10 Chung-Kuang Chien Chongqing Boe Optoelectronics Technology Co. 31
#10 Zhengsong Wu Chongqing University 31
#12 Zeyao Li Hkc Corporation Limited 29
#13 Jian'an Wang No.24 Research Institute Of China Electronics Technology Group 24
#14 Chao-Ho Chen Huper Laboratories Co. 23
#15 Bing Li Chongqing Qiulong Technology Co. 21
#16 Xiaofeng Shen Byd Company Limited 20
#17 Gangyi Hu No.24 Research Institute Of China Electronics Technology Group 19
#17 Yongduan Song Chongqing University 19
#17 Ruzhang Li No.24 Research Institute Of China Electronics Technology Group 19
#20 Yanna Yang Hkc Corporation Limited 17
#20 Ping-Cheng Li TSMC 17
#20 Chia-Hang Lee Hkc Corporation Limited 17
#23 Daiguo Xu No.24 Research Institute Of China Electronics Technology Group 16
#23 Jianjun Hu Beijing Research Institute Of Chemical Industry, China Petroleum & Chemical 16
#23 Yanxin Liu Shanghai Fochon Pharmaceutical Co. 16
#26 Xiong Xiong Hefei Xinsheng Optoelectronics Technology Co. 15
#26 Shan Xu Microsoft 15
#28 Haohan TAN Shanghai Fochon Pharmaceutical Co. 14
#28 Lihua Jiang Shanghai Fochon Pharmaceutical Co. 14
#28 Zhifang Chen Shanghai Fochon Pharmaceutical Co. 14
#28 Xianlong Wang Shanghai Fochon Pharmaceutical Co. 14
#28 Yong Wang Innocom Technology (Shenzhen) Co. 14
#33 Hongxiang Chai Chongqing University 13
#33 Li Zhang Changzheng Engineering Co. 13
#33 Xiaoqin Zhang East China University Of Science And Technology 13
#33 Yabo NI No.24 Research Institute Of China Electronics Technology Group 13
#33 Jiaxing Li China Petroleum & Chemical 13
#38 Zuwen Zhou Shanghai Fochon Pharmaceutical Co. 12
#38 Yanan Yu Ordos Yuansheng Optoelectronics Co. 12
#38 Pei He China Tobacco Yunnan Industrial Co. 12
#38 Qi Zhang China University Of Petroleum 12
#38 Min Lin Shanghai Fochon Pharmaceutical Co. 12
#38 Artan Baftiri At&S(China) Co. 12
#44 Guang-Bing Chen China Electronic Technology Corporation, 24Th Research Institute 11
#44 Qihong LIU Shanghai Fochon Pharmaceutical Co. 11
#44 Xingzhe Hou State Grid Corporation Of China 11
#47 Huajie Zhang Fochon Pharmaceuticals 10
#47 Hequan JIANG No.24 Research Institute Of China Electronics Technology Group 10
#47 Junhong CAO Hkc Corporation Limited 10
#47 Guanxiang Li Chongqing Huansong Industries (Group) Co. 10