Inventor
CHANG CHIH-YAO
TW27 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHIH-YAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIEN MADE ENTPR CO LTD
11 patentsUS7311131B2Dec 25, 2007
Rolling mechanism for window blind
NIEN MADE ENTPR CO LTD60 citations96
US7195052B2Mar 27, 2007
Cord-driven rotator for driving roller of window blind
NIEN MADE ENTPR CO LTD65 citations96
US7984745B2Jul 26, 2011
Cordless window blind structure
NIEN MADE ENTPR CO LTD32 citations92
US7597131B2Oct 6, 2009
Cord lock apparatus of window shade assembly
NIEN MADE ENTPR CO LTD25 citations90
US9119496B2Sep 1, 2015
Window blind
NIEN MADE ENTPR CO LTD7 citations84
US7703500B2Apr 27, 2010
Bracket and head rail assembly
NIEN MADE ENTPR CO LTD16 citations84
US10036199B2Jul 31, 2018
Window blind
NIEN MADE ENTPR CO LTD2 citations73
US9249619B2Feb 2, 2016
Window covering
NIEN MADE ENTPR CO LTD4 citations73
US8997826B2Apr 7, 2015
Window covering
NIEN MADE ENTPR CO LTD5 citations73
US9255443B2Feb 9, 2016
Window covering
NIEN MADE ENTPR CO LTD2 citations62
US10718155B2Jul 21, 2020
Light blocking system for vertical blind
NIEN MADE ENTPR CO LTD1 citations60
WEN YU-CHE
6 patentsUS8910696B2Dec 16, 2014
Slat controller of window blind
WEN YU-CHE14 citations83
US8776860B2Jul 15, 2014
Vane assembly of vertical window blind and the vane carrier thereof
WEN YU-CHE4 citations72
US8919417B2Dec 30, 2014
Head rail of window covering and lid fastener
WEN YU-CHE3 citations62
US8739370B2Jun 3, 2014
Cord release of window covering
WEN YU-CHE1 citations51
US8752251B2Jun 17, 2014
Cord release of window covering
WEN YU-CHE0 citations41
US8701738B2Apr 22, 2014
Cord controller of window covering
WEN YU-CHE0 citations41