Inventor
CHEN CHAO KEN
TW16 patents
⚠️ This page may combine multiple inventors who share the name “CHEN CHAO KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
(unassigned)
5 patentsUS6299253B1Oct 9, 2001
Telescopic positioning mechanism for chair backrest
42 citations92
US6213556B1Apr 10, 2001
Extendible chair arm
41 citations92
US6209840B1Apr 3, 2001
Mechanism for the relative positioning of chair arm
55 citations92
US5975640ANov 2, 1999
Adjustable armrest of an office chair
39 citations92
US6092474AJul 25, 2000
Computer desk with pneumatic elevation control means
18 citations83
CHEN CHAO-KEN
4 patentsUS7980519B2Jul 19, 2011
Telescopic adjustable positioning device
CHEN CHAO-KEN70 citations97
US8496295B2Jul 30, 2013
Rotary elbow with double shaft
CHEN CHAO-KEN23 citations92
US8641007B2Feb 4, 2014
Exhibiting rack
CHEN CHAO-KEN11 citations83
US8251453B2Aug 28, 2012
Adjustable armrest support of chair
CHEN CHAO-KEN3 citations62
CHEN CHAO KEN
4 patentsUS7140306B2Nov 28, 2006
Auxiliary table plate device with elevation adjusting device
CHEN CHAO KEN21 citations92
USD390713SFeb 17, 1998
Chair
CHEN CHAO KEN17 citations92
US7198326B2Apr 3, 2007
Desk and chair interchangeable device
CHEN CHAO KEN2 citations62
USD431134SSep 26, 2000
Table stand
CHEN CHAO KEN3 citations62