HC

Hsiang-Ho Chou

EH Enterprise Holdings: 6 patents #2 of 159Top 2%
QI Qisda: 1 patents #193 of 490Top 40%
Overall (All Time): #731,827 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9645368 Zoom lens 2017-05-09
9279967 Zoom lens 2016-03-08
8792183 Zoom lens 2014-07-29
8730585 Zoom lens 2014-05-20
8681434 Zoom lens 2014-03-25
8620151 Photographic and projection module and electronic system having the same Tsung-Yi Lu, Chao-Han Pao 2013-12-31
7821722 Wide-angle projection lens and projection apparatus using the same 2010-10-26