Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Che-Fu Chuang — 13 Patents

UMUnited Microelectronics: 13 patents #463 of 4,560Top 15%
Taichung, TW: #572 of 7,415 inventorsTop 8%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Che-Fu Chuang has been granted 13 US patents while listed as an inventor at United Microelectronics. The first was granted in 2018 and the most recent in January 2025. Che-Fu Chuang ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Che-Fu Chuang in Taichung, TW.

Patents per Year

Patents granted per year, 2018 to 2025Bar chart with a peak of 3 patents in 2023.peak 32018: 2 patents20182020: 1 patents20202021: 2 patents20212022: 2 patents20222023: 3 patents20232024: 2 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12190981 Memory array having error checking and correction circuit Yao-Ting Tsai 2025-01-07
11974428 Memory device and method of manufacturing the same Yao-Ting Tsai, Hsiu-Han Liao 2024-04-30 $784,000
11877447 Manufacturing method of semiconductor structure and flash memory Yao-Ting Tsai, Hsiu-Han Liao 2024-01-16 $1,009,000
11839076 Semiconductor structure and method of forming the same Hsiu-Han Liao 2023-12-05
11678484 Semiconductor structure and manufacturing method thereof and flash memory Yao-Ting Tsai, Hsiu-Han Liao 2023-06-13
11638378 Method of fabricating semicondoctor device Hsiu-Han Liao 2023-04-25
11380582 Semiconductor structure and method for forming ihe same 2022-07-05
11362098 Method for manufacturing memory device Jian-Ting Chen, Yu-Kai Liao, Hsiu-Han Liao 2022-06-14
11004805 Semiconductor device and method of fabricating same including two seal rings Yao-Ting Tsai, Chiang-Hung Chen, Wen-Han Hung 2021-05-11 $2,021,000
10971508 Integrated circuit and method of manufacturing the same Yao-Ting Tsai, Jung-Ho Chang, Hsiu-Han Liao 2021-04-06 $1,737,000
10615087 Semiconductor wafer with test key structure Hsiu-Han Liao 2020-04-07 $395,000
10147730 Memory device and method of manufacturing the same Hsiu-Han Liao, Yao-Ting Tsai 2018-12-04 $216,000
9972631 Memory device and method of manufacturing the same Hsiu-Han Liao, Yao-Ting Tsai 2018-05-15 $179,000