Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CL

Chih-Chien Liu — 119 Patents

UMUnited Microelectronics: 103 patents #11 of 4,560Top 1%
FCFujian Jinhua Integrated Circuit Co.: 12 patents #27 of 196Top 15%
CECompal Electronics: 8 patents #97 of 873Top 15%
IBM: 2 patents #32,909 of 70,183Top 50%
TRTricore: 1 patents #7 of 16Top 45%
Infineon Technologies Ag: 1 patents #4,631 of 7,486Top 65%
Overall (All Time): #10,137 of 4,157,543Top 1%
119 Patents All Time
Chih-Chien Liu has been granted 119 US patents while listed as an inventor at United Microelectronics. The first was granted in 1999 and the most recent in December 2025. Chih-Chien Liu ranks #10,137 of 4,157,543 US inventors in our database (top 0.24%). Patent records list Chih-Chien Liu in Taipei, NY, TW.

Patents per Year

Patents granted per year, 1999 to 2023Bar chart with a peak of 12 patents in 2015.peak 121999: 3 patents19992000: 4 patents2001: 11 patents2002: 7 patents20022003: 3 patents2004: 2 patents2005: 4 patents20052006: 1 patents2007: 1 patents2008: 2 patents20082009: 4 patents2010: 3 patents2011: 2 patents20112012: 1 patents2013: 7 patents2014: 11 patents20142015: 12 patents2016: 9 patents2017: 3 patents20172018: 5 patents2019: 11 patents2020: 5 patents20202021: 1 patents2022: 2 patents2023: 1 patents2023

Issued Patents All Time

Showing 1–25 of 119 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12505876 Layout structure forming method of sense amplifier and layout structure of sense amplifier Tzung-Han Lee 2025-12-23
12494368 Photoresist and method Yi-cheng Kuo, Yen-Yu Chen, Jr-Hung Li, Tze-Liang Lee 2025-12-09
12487523 In-situ deposition and densification treatment for metal-comprising resist layer Yi-cheng Kuo, Yen-Yu Chen, Jr-Hung Li, Chi-Chao Yang, Tze-Liang Lee 2025-12-02
12463034 Photoresist layer surface treatment, cap layer, and method of forming photoresist pattern Yi-cheng Kuo, Ming-Hui Weng, Jiangong WEI, Yen-Yu Chen, Jr-Hung Li +4 more 2025-11-04
11799012 Semiconductor device and method for fabricating the same Chun-Chieh Chiu, Pin-Hong Chen, Yi-Wei Chen, Tsun-Min Cheng, Tzu-Chieh Chen +5 more 2023-10-24 $1,280,000
11340662 Portable electronic device and disinfecting and sterilizing method thereof Yi-Chun Lin, Ya-Hui Tseng, I-Kai Liu, PO-CHING CHIANG, Chien-Lun Sun +2 more 2022-05-24
11222784 Semiconductor device and method for fabricating the same Tzu-Hao Liu, Yi-Wei Chen, Tsun-Min Cheng, Kai-Jiun Chang, Chia-Chen Wu +7 more 2022-01-11 $16,824,000
10923809 Communication apparatus, electronic apparatus and antenna adjustment method Liang-Che Chou, Li-Chun Lee, Yu-Chun Hsieh, Mau-Chi Sun, Jui-Hung Lai +1 more 2021-02-16
10804365 Semiconductor device and method for fabricating the same Chun-Chieh Chiu, Pin-Hong Chen, Yi-Wei Chen, Tsun-Min Cheng, Tzu-Chieh Chen +5 more 2020-10-13 $1,479,000
10790289 Method of forming a stop layer filling in a space between spacers Tzu-Chin Wu, Po-Chun Chen, Chia-Lung Chang 2020-09-29 $1,291,000
10770464 Semiconductor device including bit line structure of dynamic random access memory (DRAM) and method for fabricating the same Chia-Lung Chang, Tzu-Chin Wu, Wei-Lun Hsu 2020-09-08 $1,188,000
10651040 Semiconductor device and method for fabricating the same Tzu-Hao Liu, Yi-Wei Chen, Tsun-Min Cheng, Kai-Jiun Chang, Chia-Chen Wu +7 more 2020-05-12 $493,000
10636794 Magnetic tunnel junction structure of magnetic random access memory cell Hsiao-Pang Chou, Yu-Ru Yang, Chao-Ching Hsieh, Chun-Hsien Lin 2020-04-28 $176,000
10497705 Bit line gate and manufacturing method thereof Pin-Hong Chen, Yi-Wei Chen, Chun-Chieh Chiu, Chih-Chieh Tsai, Tzu-Chieh Chen 2019-12-03 $243,000
10465287 Semiconductor device and method of forming the same Pin-Hong Chen, Tsun-Min Cheng, Yi-Wei Chen 2019-11-05
10468417 Semiconductor structure with a conductive line and fabricating method of a stop layer Tzu-Chin Wu, Po-Chun Chen, Chia-Lung Chang 2019-11-05 $246,000
10381228 Epitaxial process applying light illumination Yu-Ying Lin, Ted Ming-Lang Guo, Chin-Cheng Chien, Hsin-Kuo Hsu, Chin-Fu Lin +1 more 2019-08-13 $316,000
10374051 Method for fabricating semiconductor device Ji-Min Lin, Yi-Wei Chen, Tsun-Min Cheng, Pin-Hong Chen, Chun-Chieh Chiu +4 more 2019-08-06 $147,000
10332888 Memory devices and method of manufacturing the same Chia-Lung Chang, Han-Yung Tsai, Tzu-Chin Wu 2019-06-25 $177,000
10312238 Manufacturing method of magnetic random access memory cell Hsiao-Pang Chou, Yu-Ru Yang, Chao-Ching Hsieh, Chun-Hsien Lin 2019-06-04 $131,000
10283564 Semiconductor structure and the method of making the same Chao-Ching Hsieh, Yu-Ru Yang, Hsiao-Pang Chou 2019-05-07 $221,000
10276389 Semiconductor device and method for fabricating the same Chih-Chieh Tsai, Yi-Wei Chen, Pin-Hong Chen, Tzu-Chieh Chen, Chun-Chieh Chiu +4 more 2019-04-30 $121,000
10269868 Semiconductor structure and the method of making the same Yu-Ru Yang, Chao-Ching Hsieh, Hsiao-Pang Chou 2019-04-23 $1,181,000
10177311 Resistive random access memory (RRAM) and fabrication method thereof Chao-Ching Hsieh, Yu-Ru Yang, Hsiao-Pang Chou 2019-01-08 $159,000
10141193 Fabricating method of a semiconductor device with a high-K dielectric layer having a U-shape profile Chin-Cheng Chien, Chun-Yuan Wu, Chin-Fu Lin, Teng-Chun Tsai 2018-11-27 $169,000