Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hefei, CN ranks #617 worldwide for total patents filed all time, with 5,451 patents from 1,388 inventors. Leading employers of inventors based in Hefei, CN include Changxin Memory Technologies, United Microelectronics, Advanced Connectek.

Showing 1–50 of 1,388 inventors

Rank Inventor Primary Company Patents
1 Deyuan Xiao Changxin Memory Technologies 172
2 Tzung-Han Lee United Microelectronics 108
3 Wei Wan Advanced Connectek 78
#4 Ruiqi Zhang Huawei 71
#5 Wei-Chen Chang King Slide Technology Co. 64
#6 Tieh-Chiang Wu Nanya Technology 61
#6 Zhan Ying Changxin Memory Technologies 61
#8 Guangsu SHAO Changxin Memory Technologies 59
#9 Mingxing LIU Kunshan Go-Visionox Opto-Electronics Co. 50
#10 Weibing Shang Changxin Memory Technologies 42
#10 Zhou Yi Shenzhen Leshuo Technology Co. 42
#12 Kangling Ji Changxin Memory Technologies 38
#13 Yong-Yan Lu Changxin Memory Technologies 34
#14 Xiaolei Chen Unknown 32
#14 Rubo XING Chengdu Vistar Optoelectronics Co. 32
#16 Jianfei Liu Inventus Power 31
#16 Shijun Chen Zte 31
#18 Chung-Chun Lee Au Optronics 30
#18 Yanfei Yu Sungrow Power Supply Co. 30
#18 Shu-Liang Ning Changxin Memory Technologies 30
#21 Lina Xu Techfields Pharma Co. 29
#22 ChihCheng LIU Changxin Memory Technologies 27
#22 Hangyu Liu Shenzhen Ennoplus Technology Co. 27
#22 Ming-Hung Hsieh Nanya Technology 27
#22 Heng-Chia Chang Zippy Technology 27
#26 Yang-Yuan Chen Foxconn 26
#27 Oliver Samson Nio Technology (Anhui) Co. 25
#27 Huan Liu Beijing Surgerii Technology Co. 25
#29 Zongjun Yang Sungrow Power Supply Co. 24
#29 Houqiang Li Huawei 24
#29 Yong Yu Hynix (Hyundai Electronics) 24
#29 Penghui Xu Changxin Memory Technologies 24
#33 Teng Shi Huawei 23
#33 Kangshu Zhan Changxin Memory Technologies 23
#35 Sungsoo Chi Changxin Memory Technologies 22
#35 Zhixiang Huang Anhui University 22
#35 Hai-Han Hung Changxin Memory Technologies 22
#35 Yu Yang Sungrow Power Supply Co. 22
#35 Yuntao Song Hefei Institutes Of Physical Sciences, Chinese Academy Of Sciences 22
#40 Yinchuan GU Changxin Memory Technologies 21
#40 Xue-Liang Zhang Hon Hai Precision Ind. Co. 21
#40 Chuanzhi XU Kunshan Go-Visionox Opto-Electronics Co. 21
#40 Fangfang Dong Baidu Online Network Technology (Beijing) Co. 21
#40 Semyeong Jang Changxin Memory Technologies 21
#45 Gongyi Wu Changxin Memory Technologies 20
#45 Yunsong QIU Changxin Memory Technologies 20
#45 Luguang Wang Changxin Memory Technologies 20
#48 Ling-Yi Chuang Changxin Memory Technologies 19
#48 Xiujian ZHU Kunshan Go-Visionox Opto-Electronics Co. 19
#48 Ying Song Midea Group Co. 19