Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Toufen, TW ranks #6,415 worldwide for total patents filed in 2021, with 15 patents from 12 inventors. Leading employers of inventors based in Toufen, TW include TSMC, Macronix International Co., Cambrios Film Solutons.

Showing 1–12 of 12 inventors

Rank Inventor Primary Company Patents
1 Kuan-Cheng Wang TSMC 2
1 Ji-Yu Hung Macronix International Co. 2
1 Siou-Cheng Lien Cambrios Film Solutons 2
#4 Chih-Kang Peng Au Optronics 1
#4 Cherng-Shyan Tsay TSMC 1
#4 Yu-Hsuan Tseng Polytronics Technology 1
#4 Kuo Hsun Chen Polytronics Technology 1
#4 Kuo-Hsiang Chen Logitech Europe S.A. 1
#4 Ming-Lun Shih TSMC 1
#4 Sheng-Lun WU Macronix International Co. 1
#4 Li-Wen Ting Primax Electronics 1
#4 Guan-Cyun Li TSMC 1