Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Dongying, CN ranks #6,098 worldwide for total patents filed in 2021, with 16 patents from 12 inventors. Leading employers of inventors based in Dongying, CN include Xinfa Pharmaceutical Co., China University Of Petroleum (East China), Haihong Electric Co..

Showing 1–12 of 12 inventors

Rank Inventor Primary Company Patents
1 Xinfa Li Xinfa Pharmaceutical Co. 2
1 Jun Yao China University Of Petroleum (East China) 2
1 Yuxin QI Xinfa Pharmaceutical Co. 2
1 Kaixuan Xu Haihong Electric Co. 2
#5 Zenglin Wang China Petroleum & Chemical 1
#5 Yonghai Gao China University Of Petroleum (East China) 1
#5 Hu Qu Xinfa Pharmaceutical Co. 1
#5 Lizhu Ju Xinfa Pharmaceutical Co. 1
#5 Feng-Tso Sun Unknown 1
#5 Shungen Xie Xinfa Pharmaceutical Co. 1
#5 Bangtang Yin China University Of Petroleum (East China) 1
#5 Zhenxin Chen China Petroleum & Chemical 1