Inventor
LIU CHANG-LI
TW14 patents
⚠️ This page may combine multiple inventors who share the name “LIU CHANG-LI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ICHIA TECH INC
7 patentsUS7534001B2May 19, 2009
Light-guiding method of light-guiding plate and key pad assembly using the light-guiding plate
ICHIA TECH INC19 citations91
US7503683B2Mar 17, 2009
Light guide method of double-layer light guide plate and keypad structure using the double-layer light guide plate
ICHIA TECH INC32 citations91
US8022324B2Sep 20, 2011
Method of manufacturing a keypad structure having a transparent keycap and keypad structure having a transparent keycap
ICHIA TECH INC12 citations83
US9111700B2Aug 18, 2015
Thin push button structure
ICHIA TECH INC7 citations82
US7893375B2Feb 22, 2011
Non-backlighted illuminating keypad
ICHIA TECH INC5 citations60
US9251974B2Feb 2, 2016
Thin key structure and pressable module thereof
ICHIA TECH INC1 citations51
US9105422B2Aug 11, 2015
Thin key structure
ICHIA TECH INC1 citations50
LIU CHANG-LI
3 patentsUS8242936B2Aug 14, 2012
Control panel and control method thereof
LIU CHANG-LI2 citations60
US8186866B2May 29, 2012
Metallic panel assembly having multilayer arrays of micropores
LIU CHANG-LI3 citations59
US8093519B2Jan 10, 2012
Keypad module of non-backlight panel and panel assembly of the same
LIU CHANG-LI3 citations59