LY

Ling-Ben Yu

AC Asia Optical Co.: 1 patents #175 of 366Top 50%
📍 Shangchuan, CN: #7 of 44 inventorsTop 20%
Overall (All Time): #1,907,280 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10648782 Cold firework spurting apparatus Jiangbo Chen, Xiaowen Zhou, Tongxiang Wang 2020-05-12
7471377 Laser distance measuring system with a shutter mechanism Hua-Tang Liu, Hui-Qing Chen 2008-12-30