Inventor
CHU DISHUAN
US14 patents
⚠️ This page may combine multiple inventors who share the name “CHU DISHUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JDS UNIPHASE CORP
8 patentsUS7258900B2Aug 21, 2007
Magnetic planarization of pigment flakes
JDS UNIPHASE CORP74 citations98
US7047883B2May 23, 2006
Method and apparatus for orienting magnetic flakes
JDS UNIPHASE CORP189 citations98
US7517578B2Apr 14, 2009
Method and apparatus for orienting magnetic flakes
JDS UNIPHASE CORP70 citations97
US7169472B2Jan 30, 2007
Robust multilayer magnetic pigments and foils
JDS UNIPHASE CORP44 citations96
US7729026B2Jun 1, 2010
Security device with metameric features using diffractive pigment flakes
JDS UNIPHASE CORP35 citations92
US7300695B2Nov 27, 2007
Alignable diffractive pigment flakes
JDS UNIPHASE CORP33 citations92
US7588817B2Sep 15, 2009
Engraved optically variable image device
JDS UNIPHASE CORP2 citations63
US7285336B2Oct 23, 2007
Robust multilayer magnetic pigments and foils
JDS UNIPHASE CORP4 citations63