Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YL

Yu-Chen Liu — 8 Patents in 2021

HCHandle Tech (Sz) Co.: 3 patents #1 of 1Top 100%
AMApex Medical: 1 patents #1 of 6Top 20%
CCChicony Power Technology Co.: 1 patents #16 of 42Top 40%
HDHannstar Display: 1 patents #11 of 18Top 65%
H(Hannstar Display (Nanjing): 1 patents #1 of 4Top 25%
Overall (2021): #11,121 of 548,734Top 3%
8 Patents 2021

Issued Patents 2021

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D939493 Mobile telephone cover 2021-12-28
11197794 Turning air mattress, turning air cell, and control method for air mattress Ming-Lung Chang, Ming-Heng Hsieh, Wen-Ching Cheng, Pi-Kai Lee, Fang-Ju Chou 2021-12-14
11172671 Multifunction infrared induction water sprinkler 2021-11-16
11171561 Transformer and series resonant converter including the same Chen Chen, De-Jia LU, Yong-Long SYU, Kai-De CHEN, Ching-Chia Chen +2 more 2021-11-09
11147262 Electric mousetrap with intelligent detection and safety protection functions 2021-10-19
11063428 Switch circuit Hsien-Yi Tsai 2021-07-13
10976625 Display panel Wei-Chih Hsu, Chen-Hao Su 2021-04-13
D907073 Cabinet for freezer 2021-01-05