Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Tainan, TW ranks #65 worldwide for total patents filed in 2021, with 1,781 patents from 842 inventors. Leading employers of inventors based in Tainan, TW include Coplus, TSMC, Himax Technologies Limited.

Showing 1–50 of 842 inventors

Rank Inventor Primary Company Patents
1 Po-Hua Wu Coplus 41
2 Kei-Wei Chen TSMC 25
3 Kuo-Cheng Lee TSMC 23
#4 Chun-Hao Chou TSMC 18
#4 Cheng-Hsien Chou TSMC 18
#6 Po-Hsiang Huang TSMC 17
#7 Chih-Sheng Chang TSMC 16
#8 Hsun-Ying Huang TSMC 15
#9 Tung-Ying Wu Himax Technologies Limited 14
#10 Sheng-Chau Chen TSMC 13
#11 Yong-Shiuan Tsair TSMC 12
#11 Jing-Yin Jhang United Microelectronics 12
#13 Hsin-Chi Chen TSMC 11
#13 Yu-Hung Cheng TSMC 11
#13 Ming-Che Ho TSMC 11
#16 Chih-Kai Hsu United Microelectronics 10
#16 Hung-Ling Shih TSMC 10
#16 Shiu-Ko JangJian TSMC 10
#19 Chia-Ching Tsai TSMC 8
#19 Yu-Ling Hsu TSMC 8
#19 Yu-Ming Huang Macronix International Co. 8
#19 Feng-Yi Chang United Microelectronics 8
#19 Biing-Seng Wu Prilit Optronics 8
#19 Po-Wei Liu TSMC 8
#19 Ching-Hwanq Su TSMC 8
#19 Chin-Yang Hsieh United Microelectronics 8
#27 Yu-Shih Wang TSMC 7
#27 Han-Yi Kuo Himax Technologies Limited 7
#27 Wen-Sheng Lin Zhuhai Shichang Metals 7
#27 Yaw-Guang Chang Himax Technologies Limited 7
#27 Shih Pei Chou TSMC 7
#27 Wen-Hsiung Lu TSMC 7
#27 Chih-Wei Kuo United Microelectronics 7
#27 Wen-Tuo Huang TSMC 7
#35 Yuan-Liang Wu Xianyang Caihong Optoelectronics Technology Co. 6
#35 Po-Hung Pan Himax Display 6
#35 Hsing-Chih Lin TSMC 6
#35 Yi-Nung Liu Himax Technologies Limited 6
#35 Su-Yu Yeh TSMC 6
#35 Xi-Zong Chen TSMC 6
#35 Chung-Jen Huang TSMC 6
#35 Mao-Hsun Cheng Au Optronics 6
#35 Chun-Ya Chiu United Microelectronics 6
#35 Liang-Hsiung Wang Unknown 6
#35 Cheng-Han Lin Acer Incorporated 6
#35 Yu-Wen Cheng Compal Electronics 6
#35 Chun-Yi Wu Xiamen Sanan Optoelectronics Technology Co. 6
#35 Yun-Chi Wu TSMC 6
#49 Yon-Hua Tzeng National Cheng Kung University 5
#49 Sen-Bor Jan TSMC 5