Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Keelung, TW ranks #870 worldwide for total patents filed in 2022, with 158 patents from 98 inventors. Leading employers of inventors based in Keelung, TW include TSMC, Lotes Co., Tpk Advanced Solutions.

Showing 1–50 of 98 inventors

Rank Inventor Primary Company Patents
1 Yi-Ruei Jhan TSMC 6
2 Cheng-Yen Tsai TSMC 5
2 Shen-Ping Wang TSMC 5
2 Chien Chih Ho Lotes Co. 5
2 Chen-Hsin Chang Tpk Advanced Solutions 5
#6 Wen Chang Chang Lotes Co. 4
#6 Hsuan-Yu Tung TSMC 4
#8 Chen-Hao Lin Unimicron Technology 3
#8 Chia-Cheng Chou TSMC 3
#8 Yu-Chien Lin National Chiao Tung University 3
#8 Chong Cheng Liang Lotes Co. 3
#8 Hsin-Hui Lee TSMC 3
#8 Ci-Wei Lan IBM 3
#8 Shu Kuan TSMC 3
#8 Pin-Wen Chen TSMC 3
#8 Jia Xu Yin Lotes Co. 3
#17 Hai-Hung Wen Xmems Labs 2
#17 Chien-Hsun Chu ITRI 2
#17 Tung-Yi Wu Comcast 2
#17 Hsiu-Hao Hu United Microelectronics 2
#17 Fang-Jie Jang ITRI 2
#17 Chung-Wei Kao Microjet Technology Co. 2
#17 Hou-An Su Apple 2
#17 Chia-Wei Tsai Institute For Information Industry 2
#17 Wei Shao Hangzhou City University 2
#17 Chia-Che Hung Au Optronics 2
#17 Chia-Po Lin Au Optronics 2
#17 Chia-Hung Kao Foxconn 2
#17 Yung Sheng Kung Lotes Co. 2
#17 Li Ming Zhang Lotes Co. 2
#17 Yu-Lun Tsai Advanced Connectek 2
#32 Young-Zehr Kehr National Taiwan Ocean University 1
#32 Wen-Chung Lee Merry Electronics(Shenzhen) Co. 1
#32 Fu-Shou Tsai United Microelectronics 1
#32 Tsung-Rong Lin National Chiao Tung University 1
#32 Jia YU Showa Denko K.K. 1
#32 Renaud Marc Sauvain Exosite 1
#32 Chen Yuan Cheng Dongguan Keben Electrical Appliance Co. 1
#32 Moonika Sari Widjajana Taho Pharmaceuticals 1
#32 Chang Wei Ke Lotes Co. 1
#32 Huei-Shan Wu TSMC 1
#32 Chih-Ching Huang Chang Gung University 1
#32 Zi Sheng Ou Lotes Co. 1
#32 Chun-Yueh Lin 1
#32 Chao WU Advanced New Technologies Co. 1
#32 Chen Min LIN TSMC 1
#32 Kuang-Pin Chao Innolux 1
#32 Zhen Lyu Lotes Co. 1
#32 Kuei-Wei Chen Xintec 1
#32 He Chen Yangtze Memory Technologies Co. 1