Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Langfang, CN ranks #2,681 worldwide for total patents filed in 2021, with 47 patents from 23 inventors. Leading employers of inventors based in Langfang, CN include BOE, Beijing Boe Optoelectronics Technology Co., Yungu (Gu'An) Technology Co..

Showing 1–23 of 23 inventors

Rank Inventor Primary Company Patents
1 Cuili Gai BOE 15
2 Lei Mi Beijing Boe Optoelectronics Technology Co. 4
3 Liuyang Wang Yungu (Gu'An) Technology Co. 3
#4 Ronghui Qian Yungu (Gu'An) Technology Co. 2
#4 Xiuyu Zhang Kunshan New Flat Panel Display Technology Center Co. 2
#4 Lele HU Yungu (Gu'An) Technology Co. 2
#4 Rusheng LIU Yungu (Gu'An) Technology Co. 2
#4 Guizhou QIAO Yungu (Gu'An) Technology Co. 2
#9 Guangshuai Li China National Offshore Oil 1
#9 Yiying Xu 1
#9 Xiaopeng LV Yungu (Gu'An) Technology Co. 1
#9 Ching-Tung Hsu Taiwan Carbon Nano Technology 1
#9 Enxia WANG Yungu (Gu'An) Technology Co. 1
#9 Yuansheng SUN 1
#9 Enting Zhao 1
#9 Zhengwei Qian Yungu (Gu'An) Technology Co. 1
#9 Lingtao Ou Yungu (Gu'An) Technology Co. 1
#9 Fei-Long Xiao Fih (Hong Kong) Limited 1
#9 Xiaokang ZHOU Yungu (Gu'An) Technology Co. 1
#9 Yaoyan WU Yungu (Gu'An) Technology Co. 1
#9 Sha Yuan Yungu (Gu'An) Technology Co. 1
#9 Xianxiang Zeng Wuhan China Star Optoelectronics Semiconductor Display Technology Co. 1
#9 Zhenhua Xing Yungu (Gu'An) Technology Co. 1