Inventor
LU KAI CHANG
GB10 patents
⚠️ This page may combine multiple inventors who share the name “LU KAI CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3M INNOVATIVE PROPERTIES CO
7 patentsUS7123426B2Oct 17, 2006
Projection lens and display device
3M INNOVATIVE PROPERTIES CO30 citations92
US7271964B2Sep 18, 2007
Projection display device for multimedia and wall display systems
3M INNOVATIVE PROPERTIES CO16 citations91
US7173777B1Feb 6, 2007
Projection lens and display device for multimedia and other systems
3M INNOVATIVE PROPERTIES CO32 citations91
US7126767B2Oct 24, 2006
Wide-angle projection lens for front projection display systems
3M INNOVATIVE PROPERTIES CO23 citations91
US7864435B2Jan 4, 2011
Projection display device for multimedia and wall display systems
3M INNOVATIVE PROPERTIES CO5 citations72
US7342723B2Mar 11, 2008
Projection lens and portable display device for gaming and other applications
3M INNOVATIVE PROPERTIES CO8 citations72
US7850311B2Dec 14, 2010
Projection display device with a projection module
3M INNOVATIVE PROPERTIES CO5 citations60