AC

An-Kai Chang

SC Sintai Optical (Shenzhen) Co.: 8 patents #8 of 159Top 6%
AC Asia Optical Co.: 7 patents #25 of 366Top 7%
Overall (All Time): #599,361 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12411317 Lens assembly Wen-Chieh Chen 2025-09-09
12259529 Lens assembly 2025-03-25
12117595 Lens assembly Po-Yuan Shih 2024-10-15
11815666 Wide-angle lens assembly including nine lenses of −−+++−++− or −−+++−+−+, or ten lenses of −−+++−−+++ or −−−+++−+−+ refractive powers Po-Yuan Shih 2023-11-14
11187874 Wide-angle lens assembly Tao-Yi Fu 2021-11-30
11143842 Optical lens 2021-10-12
11079569 Wide-angle lens assembly 2021-08-03
11009681 Photographing lens Ching-Chung Yeh 2021-05-18