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

Yu-Yang Liu — 8 Patents

LELedtech Electronics: 7 patents #1 of 23Top 5%
NUNational Cheng Kung University: 1 patents #348 of 1,128Top 35%
Baoshan, TW: #516 of 3,661 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Yu-Yang Liu has been granted 8 US patents while listed as an inventor at Ledtech Electronics. The first was granted in 2007 and the most recent in April 2020. Yu-Yang Liu ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Yu-Yang Liu in Baoshan, TW.

Patents per Year

Patents granted per year, 2007 to 2020Bar chart with a peak of 3 patents in 2008.peak 32007: 1 patents20072008: 3 patents20082009: 1 patents20092010: 1 patents20102011: 1 patents20112020: 1 patents2020

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10618137 Automated constructing method of cloud manufacturing service and cloud manufacturing system Chao-Chun Chen, Min-Hsiung Hung, Po-Yi Li, Yu-Chuan Lin, Pei-Chen Lee +1 more 2020-04-14
7887226 LED lamp tube Ming-Chung Huang, Fu-Hsung Ou, Ying-Hsuan Chen 2011-02-15
7682039 Extensible light shade Shu Shoung Kuo, Yen-Fu Liu 2010-03-23
7556396 Lamp assembly Shu-Hsiung Kuo, Yen-Fu Liu 2009-07-07
D583496 Lamp Shu Shoung Kuo, Yen-Fu Liu 2008-12-23
7441922 LED lamp tube Ming-Chung Huang, Fu-Hsung Ou, Ying-Hsuan Chen 2008-10-28
7344290 Lamp module Ming-Chung Huang 2008-03-18
D554277 LED lamp Wen-Chieh Chang Chien 2007-10-30