Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Wei-Chih Chang — 85 Patents

Foxconn: 27 patents #184 of 5,504Top 4%
HTHtc: 14 patents #80 of 1,407Top 6%
AOAu Optronics: 11 patents #254 of 2,945Top 9%
TDTpo Displays: 9 patents #5 of 235Top 3%
TOToppoly Optoelectronics: 4 patents #18 of 130Top 15%
TETencent: 4 patents #1,478 of 8,131Top 20%
HLHimax Technologies Limited: 3 patents #175 of 600Top 30%
ITITRI: 3 patents #2,499 of 9,619Top 30%
NUNational Sun Yat-Sen University: 3 patents #64 of 426Top 20%
HCHigh Tech Computer: 2 patents #24 of 140Top 20%
UOUnipac Optoelectronics: 2 patents #2 of 11Top 20%
UMUnited Microelectronics: 2 patents #1,942 of 4,560Top 45%
FCFirst International Computer: 1 patents #15 of 71Top 25%
FCFocaltech Systems Co.: 1 patents #28 of 62Top 50%
YCYe Xin Technology Consulting Co.: 1 patents #6 of 15Top 40%
Zhubeikou, TW: #20 of 368 inventorsTop 6%
Overall (All Time): #20,018 of 4,157,543Top 1%
85 Patents All Time
Wei-Chih Chang has been granted 85 US patents while listed as an inventor at Foxconn. The first was granted in 2000 and the most recent in December 2025. Wei-Chih Chang ranks #20,018 of 4,157,543 US inventors in our database (top 0.48%). Patent records list Wei-Chih Chang in Zhubeikou, TW.

Patents per Year

Patents granted per year, 2000 to 2025Bar chart with a peak of 8 patents in 2004.peak 82000: 3 patents20002001: 1 patents2002: 2 patents2003: 2 patents20032004: 8 patents2005: 2 patents2007: 4 patents20072008: 4 patents2009: 3 patents2010: 2 patents20102011: 3 patents2012: 2 patents2013: 4 patents20132015: 4 patents2016: 4 patents2017: 8 patents20172018: 5 patents2019: 3 patents2020: 8 patents20202021: 4 patents2022: 3 patents2023: 2 patents20232024: 1 patents2025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 85 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12507420 Resistive memory cell and associated cell array structure Tsang-Mu Lai, Chun-Chieh Lin 2025-12-23
12394371 Reset voltage control circuit Chen-Pang Kung 2025-08-19
12261580 Device and method for detection Chun-Yih Wu, Ta-Chun Pu, Yen-Liang Kuo 2025-03-25
11955469 Micro LED display panel and method for making same Chung-Wen Lai 2024-04-09
11656222 Sensor using ultrasound to detect target substance and detecting device using same Hsin-Hua Lin, PO-LI SHIH, CHAO-CHUN YANG, I-Min Lu 2023-05-23
11652089 Panel for display by micro LED and method for making same Kuo-Sheng Lee, Chung-Wen Lai, PO-FU CHEN 2023-05-16
11405389 Internet of Things system and control method thereof Yung-Hsiang Chiu, Chi-Chen Cheng, Chia-Wei Chen, Yu-Cheng Lee, Chung-Ying Yeh 2022-08-02
11257704 Device for transferring and integrating micro-devices and method of transfer Chin-Yuan Lin, Ying Chen, I-Min Lu, I-Wei Wu 2022-02-22
11227138 Liquid crystal display device having fingerprint sensor Kuo-Sheng Lee, I-Min Lu 2022-01-18
11156871 Backlight module I-Min Lu, Kuan Jiang 2021-10-26
11088120 Panel for display by micro LED and method for making same Kuo-Sheng Lee, Chung-Wen Lai, PO-FU CHEN 2021-08-10
11069669 Micro LED display panel and method for making same Chung-Wen Lai 2021-07-20
10937881 Gas sensor and method for making same Hsin-Hua Lin, PO-LI SHIH 2021-03-02
10854587 Micro LED display panel with narrowed border area and method for making same PO-FU CHEN, I-Wei Wu, I-Min Lu 2020-12-01
10749039 TFT substrate and method for making same Yi-Chun Kao, PO-LI SHIH, I-Wei Wu 2020-08-18
10727309 Thin film transistor array panel and conducting structure Yi-Chun Kao, Hsin-Hua Lin, PO-LI SHIH, I-Min Lu, I-Wei Wu 2020-07-28
10707266 Micro LED display panel with double-sides display Chung-Wen Lai 2020-07-07
10672880 Thin film transistor array panel and conducting structure PO-LI SHIH, Yi-Chun Kao, Hsin-Hua Lin, CHIH-LUNG LEE, I-Min Lu 2020-06-02
10586789 Micro LED display panel I-Wei Wu, Chung-Wen Lai, Sheng Li 2020-03-10
10559557 Micro LED display panel and method for making same Chung-Wen Lai 2020-02-11
10540046 Micro LED touch display panel Chung-Wen Lai 2020-01-21
10504927 Thin film transistor array panel Yi-Chun Kao, Hsin-Hua Lin, PO-LI SHIH, I-Min Lu, I-Wei Wu 2019-12-10
10424622 Display device and method for making same Chang-Ting Lin, Ying Chen, Chung-Wen Lai, Chun-Chieh Huang, Wei Wang +3 more 2019-09-24
10347695 Display panel Chung-Wen Lai, Hsin-Hua Lin, Kuo-Sheng Lee, Kuan Jiang 2019-07-09
10067390 Liquid crystal display panel Chung-Wen Lai, Kuo-Sheng Lee 2018-09-04