Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Longchuan, CN ranks #4,521 worldwide for total patents filed in 2021, with 24 patents from 22 inventors. Leading employers of inventors based in Longchuan, CN include Nari Technology Co., Baidu Online Network Technology (Beijing) Co., Kunming University Of Science And Technology.

Showing 1–22 of 22 inventors

Rank Inventor Primary Company Patents
1 Qing CHEN Nari Technology Co. 2
1 Baoqiang Xu Baidu Online Network Technology (Beijing) Co. 2
3 Senlin Tian Kunming University Of Science And Technology 1
3 Guisheng Jiang Shenzhen Pharmacin Co. 1
3 Xufeng Liu Baoshan Iron & Steel Co. 1
3 Junfeng Xia 1
3 Xudan Bi Yunnan University 1
3 Zuozhang Yang 1
3 Xuewei Hu Kunming University Of Science And Technology 1
3 Meili Sun Shenzhen Pharmacin Co. 1
3 Shenghong Yuan 1
3 Yanjin Chen 1
3 Xiumin Chen Kunming University Of Science And Technology 1
3 Yifu Li Kunming University Of Science And Technology 1
3 Shunqin Chen Shenzhen Pharmacin Co. 1
3 Yulan Zhao Shenzhen Pharmacin Co. 1
3 Yuechen Zhou Yunnan University 1
3 Yinghui Cao 1
3 Guokui Li Yunnan University 1
3 Yihao Yang 1
3 Zhaoxin Zhang 1
3 Ningning Yan 1