Inventor
LEE HYUN-CHEOL
KR25 patents
⚠️ This page may combine multiple inventors who share the name “LEE HYUN-CHEOL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
14 patentsUS6672581B2Jan 6, 2004
Sheet conveying apparatus for an image information processor
SAMSUNG ELECTRONICS CO LTD29 citations92
US6641130B2Nov 4, 2003
Sheet conveying apparatus for image information processor
SAMSUNG ELECTRONICS CO LTD15 citations82
US7171137B2Jan 30, 2007
Developing apparatus and image forming equipment and method thereof
SAMSUNG ELECTRONICS CO LTD18 citations80
US7873305B2Jan 18, 2011
Developing unit and image forming apparatus having the same
SAMSUNG ELECTRONICS CO LTD5 citations73
US6882813B2Apr 19, 2005
Roller spacing device
SAMSUNG ELECTRONICS CO LTD10 citations73
US6167222ADec 26, 2000
Image formation apparatus and method capable of easily removing jammed paper
SAMSUNG ELECTRONICS CO LTD7 citations73
US6137980AOct 24, 2000
Developing machine
SAMSUNG ELECTRONICS CO LTD8 citations73
US6786480B2Sep 7, 2004
Sheet conveying apparatus for image information processor
SAMSUNG ELECTRONICS CO LTD6 citations71
US7761038B2Jul 20, 2010
Image forming apparatus and developer supplying device to improve printing quality
SAMSUNG ELECTRONICS CO LTD2 citations63
US6845220B2Jan 18, 2005
Development device to detect a developing gap
SAMSUNG ELECTRONICS CO LTD5 citations62
US6321051B1Nov 20, 2001
Apparatus for cleaning OPC drum in image forming device
SAMSUNG ELECTRONICS CO LTD3 citations62
US7702259B2Apr 20, 2010
Multi-pass image forming apparatus and image forming method using the same for providing plural print modes with different numbers of passes depending on desired print speed and image quality
SAMSUNG ELECTRONICS CO LTD6 citations61
US7046940B2May 16, 2006
Developing device having a developer scatter prevention unit and an electrophotographic image forming apparatus using the same
SAMSUNG ELECTRONICS CO LTD3 citations59
US9229360B2Jan 5, 2016
Electrophotographic image forming apparatus to control the supply of toner to the developer
SAMSUNG ELECTRONICS CO LTD0 citations42
SAMSUNG SDI CO LTD
3 patentsUS9768469B2Sep 19, 2017
Solid electrolyte containing ionic liquid
SAMSUNG SDI CO LTD5 citations73
US9231273B2Jan 5, 2016
Positive electrode active material for lithium secondary battery, method of manufacturing the same, and lithium secondary battery including the material
SAMSUNG SDI CO LTD6 citations72
US9972448B2May 15, 2018
Supercapacitor electrode material having combined porous titanium oxide and carbon-based material, and method for manufacturing same
SAMSUNG SDI CO LTD0 citations52