Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Longchuan, CN ranks #7,950 worldwide for total patents filed all time, with 279 patents from 153 inventors. Leading employers of inventors based in Longchuan, CN include Beijing Baidu Netcom Science Technology Co., Baidu Online Network Technology (Beijing) Co., Kunming University Of Science And Technology.

Showing 1–50 of 153 inventors

Rank Inventor Primary Company Patents
1 Haodong Chen Beijing Baidu Netcom Science Technology Co. 12
2 Baoqiang Xu Baidu Online Network Technology (Beijing) Co. 11
3 Senlin Tian Kunming University Of Science And Technology 9
#4 Qing CHEN Nari Technology Co. 7
#4 Xufeng Liu Baoshan Iron & Steel Co. 7
#6 Haibin Xiao China Institute Of Water Resources And Hydropower Research 5
#6 Xuewei Hu Kunming University Of Science And Technology 5
#6 Xiumin Chen Kunming University Of Science And Technology 5
#6 Lifen ZHANG Soochow University 5
#10 Guisheng Jiang Shenzhen Pharmacin Co. 4
#10 Feng-Ju Lu Sci Pharmtech 4
#10 Meili Sun Shenzhen Pharmacin Co. 4
#10 Yulan Zhao Shenzhen Pharmacin Co. 4
#10 Shunqin Chen Shenzhen Pharmacin Co. 4
#10 Chao Li Ascentage Pharma Group Corp Limited 4
#16 Yin Xu 3
#16 Ningning Yan 3
#16 Xuexing Cao China Institute Of Water Resources And Hydropower Research 3
#16 Fengguang Wu Intel 3
#16 Shenghui Guo Kunming University Of Science And Technology 3
#16 Haiqin Yu Yunnan Academy Of Tobacco Agricultural Sciences 3
#16 Shijie Yang Institute Of Rock And Soil Mechanics, Chinese Academy Of Sciences 3
#16 Jinhui Peng Kunming University Of Science And Technology 3
#16 Zuozhang Yang 3
#16 Yuebin Zhang 3
#16 Yuzhang Shu 3
#16 Xinxin Zhou Beijing University Of Chemical Technology 3
#28 Yifu Li Kunming University Of Science And Technology 2
#28 Hongwen Liu 2
#28 Pengzhi Pan Institute Of Rock And Soil Mechanics, Chinese Academy Of Sciences 2
#28 Jindong Yang 2
#28 Shaohua Ju Kunming University Of Science And Technology 2
#28 Kegong Ning 2
#28 Qingjing Yang Hong Kong Baptist University 2
#28 Jin CHEN Vanguard International Semiconductor 2
#28 Xiaojiang Hao Kunming Institute Of Botany, Chinese Academy Of Sciences 2
#28 Ranrong Liu 2
#28 Yanjiao LI 2
#28 Xiaoyu Chong Kunming University Of Science And Technology 2
#28 Shenghong Yuan 2
#28 Fangkui Xie 2
#28 Jingkun Wang 2
#28 Zhaoyun Zhu 2
#28 Yulu Gong Hunan University Of Science And Engineering 2
#28 Hongying Xia Kunming University Of Science And Technology 2
#28 Junwen Zhou Kunming University Of Science And Technology 2
#28 Chaoyong Liu 2
#28 Yingwu Yang 2
#28 Linqing Dai Kunming University Of Science And Technology 2
#28 Xianguo Liu 2