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 1–25 of 137 patents

Patent #TitleCo-InventorsDate
12429762 Method of forming a layout pattern and photomask Chia-Chen Sun, Song-Yi Lin 2025-09-30
12416855 Photomask structure Chia-Chen Sun, Song-Yi Lin 2025-09-16
12394730 Semiconductor structure Chia-Chen Sun 2025-08-19
12322711 Die seal ring structure Chia-Chen Sun 2025-06-03
11482517 Integrated circuit Chih-Wei Yang, Kuei-Chun Hung 2022-10-25
11264488 Manufacturing method of semiconductor structure Yu-Cheng Tung 2022-03-01
11205710 Fabricating method of semiconductor structure Wen-Chien Hsieh, Chih-Wei Yang, Yu-Cheng Tung, Po-Wen Su 2021-12-21
10879378 Semiconductor structure Yu-Cheng Tung 2020-12-29
10861673 Method of pattern data preparation and method of forming pattern in layer Chien-Ying Sun, Yu-Cheng Tung 2020-12-08
10818660 Semiconductor device Yu-Cheng Tung, Chih-Wei Yang 2020-10-27
10790202 Method for evaluating stability of semiconductor manufacturing process Yu-Cheng Tung 2020-09-29
10777556 Semiconductor device and method for fabricating the same Yu-Cheng Tung 2020-09-15
10763264 Method for forming dynamic random access memory structure Yu-Cheng Tung, Chih-Wei Yang, Sho-Shen Lee 2020-09-01
10763175 Semiconductor device and method for fabricating the same Yu-Cheng Tung 2020-09-01
10707092 Manufacturing method for semiconductor pattern Chia-Hung Wang, Chien-Hao Chen, Jhao-Hao Lee, Sho-Shen Lee, Chih-Yu Chiang 2020-07-07
10707213 Method of forming layout of semiconductor device Chia-Hung Wang, Chien-Hao Chen, Sho-Shen Lee, Yi-Ting Chen, Jhao-Hao Lee 2020-07-07
10663853 Extreme ultraviolet mask Yu-Cheng Tung 2020-05-26
10600692 Semiconductor device Hsiao-Lin Hsu 2020-03-24
10571796 Extreme ultraviolet photomask and method for fabricating the same Yu-Cheng Tung 2020-02-25
10529667 Method of forming overlay mark structure Zheng-Feng Chen, Sho-Shen Lee, Hsiao-Lin Hsu, Yi-Ting Chen, Lu-Wei Kuo 2020-01-07
10522415 Semiconductor device Yu-Cheng Tung, Chih-Wei Yang 2019-12-31
10504791 Semiconductor device and manufacturing method thereof Yu-Cheng Tung 2019-12-10
10460997 Manufacturing method of semiconductor device Yu-Cheng Tung, Chih-Wei Yang 2019-10-29
10453849 Dynamic random access memory structure and method for forming the same Yu-Cheng Tung, Chih-Wei Yang, Sho-Shen Lee 2019-10-22
10431457 Method for forming patterned structure Yu-Cheng Tung 2019-10-01