Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Yu-Cheng Yang — 16 Patents

EPEpistar: 4 patents #251 of 732Top 35%
GUGlobal Unichip: 3 patents #51 of 210Top 25%
NUNational Taiwan University: 3 patents #238 of 2,195Top 15%
PSPowerchip Semiconductor: 3 patents #36 of 195Top 20%
ABApex Brands: 2 patents #80 of 209Top 40%
CSCyber Power Systems: 1 patents #45 of 86Top 55%
Charlotte, NC: #226 of 4,868 inventorsTop 5%
North Carolina: #3,044 of 45,564 inventorsTop 7%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Yu-Cheng Yang has been granted 16 US patents while listed as an inventor at Epistar. The first was granted in 2007 and the most recent in September 2025. Yu-Cheng Yang ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Yu-Cheng Yang in Charlotte, NC, US.

Patents per Year

Patents granted per year, 2007 to 2025Bar chart with a peak of 3 patents in 2011.peak 32007: 1 patents20072008: 2 patents20082010: 1 patents20102011: 3 patents20112012: 1 patents20122013: 3 patents20132016: 1 patents20162018: 1 patents20182022: 1 patents20222025: 2 patents2025

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
D1094131 Measuring tape device 2025-09-23
D1094132 Measuring tape device 2025-09-23
11539235 Uninterruptible power system and power conversion circuit thereof Kuang-Yu Yang, Cheng-Hsin Yeh 2022-12-27
10139444 Sensing circuit, sensing device and monitoring system for power transmission lines Joe-Air Jiang, Xiang ZHENG, Chien-Hao Wang, Ching-Ya Tseng 2018-11-27
9299683 Abutment structure of semiconductor cell Yi-Fon Chen, Jye-Yuan Lee 2016-03-29
8576665 Underwater wireless sensor Joe-Air Jiang, Wei-Sheng Su, Cheng-Long Chuang, Tzu-Shiang Lin 2013-11-05
8461866 Device for storing pulse latch with logic circuit Hsin Wei Hung, Hung-Chun Li, Teng-Nan Liao 2013-06-11
8446022 Shock absorbing system for energy recycling Joe-Air Jiang, Wei-Sheng Su, Cheng-Long Chuang, Tzu-Shiang Lin 2013-05-21
8310302 Abutment structure of semiconductor cell Yi-Fon Chen, Jye-Yuan Lee 2012-11-13
8076686 Light emitting diode and manufacturing method thereof Kuo-Hui Yu, An-Ru Lin, Tsun-Kai Ko, Wei-Shou Chen, Yi-Wen Ku +1 more 2011-12-13
8008680 Light-emitting diode device and manufacturing method thereof Kuo-Hui Yu, Cheng-Ta Kuo 2011-08-30
7888162 Method of manufacturing a photoelectronic device Yu-Ling Chin, Li-Pin Jou, Yu-Chih Yang, Wei-Shou Chen, Cheng-Ta Kuo 2011-02-15
7821026 Light emitting diode device and manufacturing method therof Kuo-Hui Yu, Cheng-Ta Kuo 2010-10-26
7446872 Positioning apparatus and positioning method using the same Po-Ching Lin 2008-11-04
7396418 Process for removing particles from reticle Po-Ching Lin 2008-07-08
7234196 Tool for removing particles from reticle Po-Ching Lin 2007-06-26