Inventor
JEONG HEUNG-SUP
KR27 patents
⚠️ This page may combine multiple inventors who share the name “JEONG HEUNG-SUP”. 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
US7054578B2May 30, 2006
System to replace a photosensitive unit and a transfer unit and a printer having the system
SAMSUNG ELECTRONICS CO LTD19 citations92
US6882821B2Apr 19, 2005
Apparatus for discharging waste toner
SAMSUNG ELECTRONICS CO LTD24 citations92
US7731174B2Jun 8, 2010
Paper pickup device and image forming apparatus having the same
SAMSUNG ELECTRONICS CO LTD11 citations84
US7343118B2Mar 11, 2008
Door shock absorber and image forming apparatus employing the same
SAMSUNG ELECTRONICS CO LTD17 citations84
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
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
US7020428B2Mar 28, 2006
Waste toner collecting device of an electrophotographic image forming apparatus, method thereof, and an electrophotographic printer having the same
SAMSUNG ELECTRONICS CO LTD15 citations84
US6941093B2Sep 6, 2005
Photoreceptive unit and transfer unit replacement system of printer
SAMSUNG ELECTRONICS CO LTD19 citations84
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
US6785508B2Aug 31, 2004
Duplex printing apparatus
SAMSUNG ELECTRONICS CO LTD10 citations74
US7486906B2Feb 3, 2009
Electrophotographic printer having removable photosensitive drum unit
SAMSUNG ELECTRONICS CO LTD2 citations63
US7389981B2Jun 24, 2008
Paper feeding apparatus for printer having double feed prevention unit
SAMSUNG ELECTRONICS CO LTD2 citations63
US7359658B2Apr 15, 2008
Tension adjuster of belt of image forming apparatus
SAMSUNG ELECTRONICS CO LTD2 citations63
US7343129B2Mar 11, 2008
Image forming apparatus
SAMSUNG ELECTRONICS CO LTD2 citations63
US7289749B2Oct 30, 2007
Electrophotographic printer
SAMSUNG ELECTRONICS CO LTD2 citations63
US7483048B2Jan 27, 2009
Apparatus for fixing shaft of cartridge and image forming device having the same
SAMSUNG ELECTRONICS CO LTD2 citations62
US7142802B2Nov 28, 2006
Fixing unit used with an image forming apparatus and an image forming apparatus having the same
SAMSUNG ELECTRONICS CO LTD2 citations62
US7369789B2May 6, 2008
Door status switch operation mechanism for image forming apparatus
SAMSUNG ELECTRONICS CO LTD3 citations61
US7756445B2Jul 13, 2010
Transfer unit-fixing apparatus and image forming device having the same
SAMSUNG ELECTRONICS CO LTD0 citations52
US7450884B2Nov 11, 2008
Image forming apparatus having printing medium feeding unit
SAMSUNG ELECTRONICS CO LTD0 citations52
US7082281B2Jul 25, 2006
Electrophotographic printer having movable pre-transfer erasing unit
SAMSUNG ELECTRONICS CO LTD1 citations52
US6926268B2Aug 9, 2005
Paper cassette
SAMSUNG ELECTRONICS CO LTD1 citations52