Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Che-Hung Liu — 9 Patents

UMUnited Microelectronics: 5 patents #1,074 of 4,560Top 25%
TSMC: 4 patents #4,745 of 12,232Top 40%
Hsinchu, TW: #2,527 of 13,380 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Che-Hung Liu has been granted 9 US patents while listed as an inventor at United Microelectronics. The first was granted in 2008 and the most recent in February 2025. Che-Hung Liu ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Che-Hung Liu in Hsinchu, TW.

Patents per Year

Patents granted per year, 2008 to 2025Bar chart with a peak of 2 patents in 2008.peak 22008: 2 patents20082009: 1 patents20092012: 1 patents20122013: 1 patents20132017: 1 patents20172024: 2 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12218180 Multi-layered resistor with a tight temperature coefficient of resistance tolerance Szu-Hsien Lo, Tzu-Chung Tsai 2025-02-04
12091752 Apparatus and method of manufacturing interconnect structures Yu-Ting Tsai, Chung-Liang Cheng, Wen-Cheng Cheng, Yu-Cheng Shen, Chyi-Tsong Ni 2024-09-17 $14,894,000
11923403 Multi-layered resistor with a tight temperature coefficient of resistance tolerance Szu-Hsien Lo, Tzu-Chung Tsai 2024-03-05 $11,054,000
9689935 Hall-effect measurement apparatus Ming-Cheng Lin 2017-06-27 $2,968,000
8415723 Spacer structure wherein carbon-containing oxide film formed within Po-Lun Cheng 2013-04-09 $929,000
8288802 Spacer structure wherein carbon-containing oxynitride film formed within Po-Lun Cheng 2012-10-16 $1,600,000
7592231 MOS transistor and fabrication thereof Po-Lun Cheng 2009-09-22 $5,557,000
7402496 Complementary metal-oxide-semiconductor device and fabricating method thereof Po-Lun Cheng, Chun-An Lin, Li-Yuen Tang, Hung-Lin Shih, Ming-Chi Fan +2 more 2008-07-22 $6,059,000
7329591 Method for forming silicon-containing film and method for decreasing number of particles Po-Lun Cheng, Hwei-Lin Chuang, Chun-An Lin 2008-02-12 $2,912,000