Inventor
WEI CHING-CHUAN
TW16 patents
⚠️ This page may combine multiple inventors who share the name “WEI CHING-CHUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CORETRONIC CORP
15 patentsUS7736029B2Jun 15, 2010
Lens array and illumination module
CORETRONIC CORP16 citations83
US9470874B2Oct 18, 2016
Fixed-focus lens
CORETRONIC CORP2 citations61
US11422336B2Aug 23, 2022
Projection lens and projection device
CORETRONIC CORP0 citations59
US11340517B2May 24, 2022
Projection lens module and projector
CORETRONIC CORP0 citations57
US11520128B2Dec 6, 2022
Zoom projection lens
CORETRONIC CORP0 citations54
US11982798B2May 14, 2024
Projection lens and projection apparatus
CORETRONIC CORP0 citations51
US11604403B2Mar 14, 2023
Imaging system and projection device having off axis reflective element
CORETRONIC CORP0 citations51
US9594233B2Mar 14, 2017
Zoom lens
CORETRONIC CORP0 citations51
US11966012B2Apr 23, 2024
Projection lens including four lenses of −+−+ refractive powers
CORETRONIC CORP0 citations49
US12493173B2Dec 9, 2025
Fixed-focus projection lens module
CORETRONIC CORP0 citations46
US9915810B2Mar 13, 2018
Projection apparatus and projection lens with three lens groups
CORETRONIC CORP0 citations40
US9791680B2Oct 17, 2017
Projection apparatus and projection lens
CORETRONIC CORP0 citations40
US9733457B2Aug 15, 2017
Zoom lens
CORETRONIC CORP0 citations40
US9720215B2Aug 1, 2017
Zoom lens
CORETRONIC CORP0 citations40
US9798118B2Oct 24, 2017
Projection display apparatus and projection lens module thereof
CORETRONIC CORP0 citations39