Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chongqing, CN ranks #527 worldwide for total patents filed in 2021, with 262 patents from 159 inventors. Leading employers of inventors based in Chongqing, CN include Chongqing Boe Optoelectronics Technology Co., Otis Elevator, Hkc Corporation Limited.

Showing 1–50 of 159 inventors

Rank Inventor Primary Company Patents
1 Chung-Kuang Chien Chongqing Boe Optoelectronics Technology Co. 8
2 Hui Fang Otis Elevator 6
3 Zeyao Li Hkc Corporation Limited 5
3 Li Zhang Changzheng Engineering Co. 5
#5 Lihua Jiang Shanghai Fochon Pharmaceutical Co. 4
#5 Zhengbo Huang No.24 Research Institute Of China Electronics Technology Group 4
#5 En-Tsung Cho Hkc Corporation Limited 4
#5 Haohan TAN Shanghai Fochon Pharmaceutical Co. 4
#5 Xiaoqin Zhang East China University Of Science And Technology 4
#5 Yabo NI No.24 Research Institute Of China Electronics Technology Group 4
#11 Jianquan Tao No.59 Institute Of China Ordnance Industry 3
#11 Zhifang Chen Shanghai Fochon Pharmaceutical Co. 3
#11 Guangbing Chen No.24 Research Institute Of China Electronics Technology Group 3
#11 Zuwen Zhou Shanghai Fochon Pharmaceutical Co. 3
#11 Ping-Cheng Li TSMC 3
#11 Yanna Yang Hkc Corporation Limited 3
#11 Chia-Hang Lee Hkc Corporation Limited 3
#11 Dongbing Fu No.24 Research Institute Of China Electronics Technology Group 3
#11 Jian'an Wang No.24 Research Institute Of China Electronics Technology Group 3
#11 Huajie Zhang Fochon Pharmaceuticals 3
#11 Zhihui Xing No.59 Institute Of China Ordnance Industry 3
#11 Yanan Yu Ordos Yuansheng Optoelectronics Co. 3
#11 Artan Baftiri At&S(China) Co. 3
#11 Ruzhang Li No.24 Research Institute Of China Electronics Technology Group 3
#11 Gaozhan Zhao No.59 Institute Of China Ordnance Industry 3
#11 Yuanyuan Wan No.59 Institute Of China Ordnance Industry 3
#11 Yue Rong Shanghai Fochon Pharmaceutical Co. 3
#28 Yuanli Li Ampsource Biopharma Shanghai 2
#28 Xianlong Wang Shanghai Fochon Pharmaceutical Co. 2
#28 Bing Li Chongqing Qiulong Technology Co. 2
#28 Weipeng ZHANG Shanghai Fochon Pharmaceutical Co. 2
#28 Xiong Xiong Hefei Xinsheng Optoelectronics Technology Co. 2
#28 Keyang Liu Chongqing Ficuu Technology Co. 2
#28 Maochuan Wang No.59 Institute Of China Ordnance Industry 2
#28 Yu-Hao Huang Disney 2
#28 Xinyun Zhang Unknown 2
#28 Zude Zhao 2
#28 Dong Guo Tsinghua University 2
#28 Xiaojun Duan Huawei 2
#28 Shuxin Chai No.59 Institute Of China Ordnance Industry 2
#28 Pei He China Tobacco Yunnan Industrial Co. 2
#28 Gangyi Hu No.24 Research Institute Of China Electronics Technology Group 2
#28 Daiguo Xu No.24 Research Institute Of China Electronics Technology Group 2
#28 Yinqi WANG Chongqing Institute Of East China Normal University 2
#28 Min Lin Shanghai Fochon Pharmaceutical Co. 2
#28 Chuan Zhou Institute Of Materia Medica, Chinese Academy Of Medical Sciences 2
#28 Yunchuan Hu Hkc Corporation Limited 2
#28 Bing Liu Loncin Industry Co. 2
#28 Hong Zhan No.59 Institute Of China Ordnance Industry 2
#28 Min Gong IBM 2