Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
EL

En-Chiuan Liou — 137 Patents

UMUnited Microelectronics: 137 patents #4 of 4,560Top 1%
FCFujian Jinhua Integrated Circuit Co.: 6 patents #53 of 196Top 30%
Tainan, TW: #9 of 4,566 inventorsTop 1%
Overall (All Time): #7,478 of 4,157,543Top 1%
137 Patents All Time

Issued Patents All Time

Showing 126–137 of 137 patents

Patent #TitleCo-InventorsDate
9269791 Multi-gate MOSFET with embedded isolation structures Ssu-I Fu, Chih-Wei Yang, Ying-Tsung Chen, Shih-Hung Tsai 2016-02-23
9006110 Method for fabricating patterned structure of semiconductor device Chien-Ying Sun, Jia-Rong Wu, Ching-Wen Hung 2015-04-14
8954919 Calculation method for generating layout pattern in photomask Sho-Shen Lee, Wen-Liang Huang, Chang-Mao Wang, Kai-Lin Chuang, Yu-Chin Huang 2015-02-10
8951918 Method for fabricating patterned structure of semiconductor device Chia-Jung Li, Chia-Jui Liang, Po-Chao Tsao, Ching-Ling Lin 2015-02-10
8928112 Shallow trench isolation Po-Chao Tsao, Chia-Jui Liang, Jia-Rong Wu 2015-01-06
8921226 Method of forming semiconductor structure having contact plug Ching-Wen Hung, Chih-Sen Huang, Po-Chao Tsao 2014-12-30
8912074 Method of forming shallow trench isolations Po-Chao Tsao, Chia-Jui Liang, Jia-Rong Wu 2014-12-16
8883638 Method for manufacturing damascene structure involving dummy via holes Chih-Wei Yang, Chih-Sen Huang, Chan-Yuan Hu, Ssu-I Fu 2014-11-11
8823132 Two-portion shallow-trench isolation Po-Chao Tsao, Chia-Jui Liang, Jia-Rong Wu 2014-09-02
8765591 Semiconductor device having metal gate and manufacturing method thereof Ssu-I Fu, I-Ming Tseng, Cheng-Guo Chen 2014-07-01
8642457 Method of fabricating semiconductor device Ssu-I Fu, I-Ming Tseng, Shih-Hung Tsai 2014-02-04
8564063 Semiconductor device having metal gate and manufacturing method thereof Ssu-I Fu, I-Ming Tseng, Cheng-Guo Chen 2013-10-22