Inventor
LYU SE-HYUN
KR28 patents
⚠️ This page may combine multiple inventors who share the name “LYU SE-HYUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
26 patentsUS7336916B2Feb 26, 2008
Electrophotographic image forming apparatus
SAMSUNG ELECTRONICS CO LTD25 citations92
US7272341B2Sep 18, 2007
Electrophotographic image forming apparatus
SAMSUNG ELECTRONICS CO LTD15 citations84
US7221880B2May 22, 2007
Waste toner transfer apparatus and electrophotographic printer using the same
SAMSUNG ELECTRONICS CO LTD15 citations84
US7218868B2May 15, 2007
Image forming apparatus having locking/releasing unit
SAMSUNG ELECTRONICS CO LTD10 citations84
US7184689B2Feb 27, 2007
Developing cartridge having protective cover and image forming apparatus including the same
SAMSUNG ELECTRONICS CO LTD10 citations84
US7076187B2Jul 11, 2006
Electrophotographic printer
SAMSUNG ELECTRONICS CO LTD15 citations84
US7063315B2Jun 20, 2006
Pickup error-sensing apparatus of image forming apparatus and method therefor
SAMSUNG ELECTRONICS CO LTD15 citations84
US7450886B2Nov 11, 2008
Developer-driving device and image forming apparatus having the same
SAMSUNG ELECTRONICS CO LTD10 citations83
US7099617B2Aug 29, 2006
Waste toner transfer apparatus and electrophotographic printer adopting the same
SAMSUNG ELECTRONICS CO LTD10 citations74
US7068968B2Jun 27, 2006
Waste toner transfer apparatus and electrophotographic printer adopting the same
SAMSUNG ELECTRONICS CO LTD10 citations74
US7448623B2Nov 11, 2008
Paper feeding mechanism and image forming apparatus employing the same
SAMSUNG ELECTRONICS CO LTD7 citations73
US6149147ANov 21, 2000
Paper pickup device in paper feeding cassette
SAMSUNG ELECTRONICS CO LTD13 citations71
US7654518B2Feb 2, 2010
Image forming apparatus and paper guide unit thereof
SAMSUNG ELECTRONICS CO LTD2 citations63
US7486906B2Feb 3, 2009
Electrophotographic printer having removable photosensitive drum unit
SAMSUNG ELECTRONICS CO LTD2 citations63
US7289749B2Oct 30, 2007
Electrophotographic printer
SAMSUNG ELECTRONICS CO LTD2 citations63
US7266321B2Sep 4, 2007
Apparatus for supplying voltage to developing device
SAMSUNG ELECTRONICS CO LTD5 citations63
US7483048B2Jan 27, 2009
Apparatus for fixing shaft of cartridge and image forming device having the same
SAMSUNG ELECTRONICS CO LTD2 citations62
US7133635B2Nov 7, 2006
Fusing unit used with a color laser printer
SAMSUNG ELECTRONICS CO LTD3 citations62
US9557696B2Jan 31, 2017
Image forming apparatus with replacement component management memory
SAMSUNG ELECTRONICS CO LTD1 citations52
US7756445B2Jul 13, 2010
Transfer unit-fixing apparatus and image forming device having the same
SAMSUNG ELECTRONICS CO LTD0 citations52
US7257346B2Aug 14, 2007
Fusing roller regenerating apparatus in image forming apparatus and method thereof
SAMSUNG ELECTRONICS CO LTD1 citations52
US7110712B2Sep 19, 2006
Foreign substance prevention unit to protect electro-photographic printer from foreign substances
SAMSUNG ELECTRONICS CO LTD0 citations52
US7082281B2Jul 25, 2006
Electrophotographic printer having movable pre-transfer erasing unit
SAMSUNG ELECTRONICS CO LTD1 citations52
US8045890B2Oct 25, 2011
Multi-pass type image forming apparatus
SAMSUNG ELECTRONICS CO LTD0 citations45
US6904247B2Jun 7, 2005
High voltage switching equipment of developing device for color image forming apparatus
SAMSUNG ELECTRONICS CO LTD0 citations42
US6850723B2Feb 1, 2005
Contact shock dampening and development nip forming apparatus for developers
SAMSUNG ELECTRONICS CO LTD0 citations42