Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Longdong, CN ranks #9,162 worldwide for total patents filed in 2021, with 9 patents from 7 inventors. Leading employers of inventors based in Longdong, CN include Shenzhen Shadow Crown Technology Co., Source Photonics (Chengdu) Company, Advanced Elements.

Showing 1–7 of 7 inventors

Rank Inventor Primary Company Patents
1 Feiyue Deng Shenzhen Shadow Crown Technology Co. 3
2 Yuanjun Huang Source Photonics (Chengdu) Company 1
2 Yongrong Yu 1
2 Xiaorong Ding Advanced Elements 1
2 Zhenggang HUANG Sichuan Haisco Pharmaceutical Co. 1
2 Anbang HUANG Sichuan Haisco Pharmaceutical Co. 1
2 Xiangchen Li Southwest Petroleum University 1