ZC

Zhang-Ming Chang

AC Asia Optical Co.: 2 patents #175 of 366Top 50%
SC Sintai Optical (Shenzhen) Co.: 1 patents #80 of 159Top 55%
Overall (All Time): #1,932,398 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10234283 Binoculars rangefinder Hua-Tang Liu, Yue-Ye Chen, Zhi-Wei Gao, Shang Luo 2019-03-19
8970824 Rangefinder Hua-Tang Liu 2015-03-03