DH

Duen-Kwei Huang

AC Asia Optical Co.: 2 patents #175 of 366Top 50%
SC Sintai Optical (Shenzhen) Co.: 1 patents #80 of 159Top 55%
Overall (All Time): #2,025,460 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8988788 Zoom lens Ming-Chih Chang 2015-03-24
7480104 Lens device Chun-Yu Hsueh 2009-01-20