Inventor
SHIN KYU-CHEOL
KR22 patents
Patents
22 patentsUS5978616ANov 2, 1999
Contact charger of an electrophotographic image forming apparatus
SAMSUNG ELECTRONICS CO LTD23 citations92
US6263176B1Jul 17, 2001
Apparatus for cleaning transfer roller and optical photoreceptor of printing device
SAMSUNG ELECTRONICS CO LTD26 citations91
US7058333B2Jun 6, 2006
Color image forming apparatus
SAMSUNG ELECTRONICS CO LTD13 citations84
US6895204B2May 17, 2005
Electrophotographic printer having image charging unit to reduce adhesive force of transferred image and method thereof
SAMSUNG ELECTRONICS CO LTD13 citations84
US7519318B2Apr 14, 2009
Electrophotolithographic image forming device and image developing method
SAMSUNG ELECTRONICS CO LTD10 citations82
US7228085B2Jun 5, 2007
Color image forming apparatus
SAMSUNG ELECTRONICS CO LTD9 citations73
US7110685B2Sep 19, 2006
Transfer power supply apparatus of an image forming machine
SAMSUNG ELECTRONICS CO LTD9 citations73
US7054565B2May 30, 2006
Electrophotographic image forming apparatus and method of controlling development using information concerning replacement of consumables
SAMSUNG ELECTRONICS CO LTD9 citations73
US6778799B2Aug 17, 2004
Liquid electrophotographic image forming apparatus using non-volatile ink carrier
SAMSUNG ELECTRONICS CO LTD8 citations73
US6738585B2May 18, 2004
Image forming apparatus for and method of compensating for variation in thickness of photosensitive body and development mass per area
SAMSUNG ELECTRONICS CO LTD8 citations73
US5517223AMay 14, 1996
Inkjet printing method and apparatus
SAMSUNG ELECTRONICS CO LTD13 citations73
US6766130B2Jul 20, 2004
Liquid developer imaging system
SAMSUNG ELECTRONICS CO LTD10 citations72
US6385424B1May 7, 2002
Electrophotographic printing apparatus and image transferring method for an electrophotographic printing apparatus
SAMSUNG ELECTRONICS CO LTD9 citations72
US6289184B1Sep 11, 2001
Apparatus for measuring concentration of developer of liquid printer
SAMSUNG ELECTRONICS CO LTD11 citations71
US6104893AAug 15, 2000
Image forming device and method having optimum print quality by control of fixture temperature and/or transfer voltage
SAMSUNG ELECTRONICS CO LTD13 citations68
US7158741B2Jan 2, 2007
Developing device for liquid electrophotographic image forming apparatus
SAMSUNG ELECTRONICS CO LTD3 citations62
US6389256B2May 14, 2002
Liquid electrophotographic color image forming apparatus and color image forming method for reducing the transfer of toner to a developing roller
SAMSUNG ELECTRONICS CO LTD3 citations62
US7489893B2Feb 10, 2009
Hybrid type developing apparatus and developing method
SAMSUNG ELECTRONICS CO LTD2 citations61
US7929888B2Apr 19, 2011
Developing unit and image forming apparatus employing the same
SAMSUNG ELECTRONICS CO LTD0 citations52
US7177562B2Feb 13, 2007
Transfer power supply apparatus of an image forming machine
SAMSUNG ELECTRONICS CO LTD0 citations52
US7711277B2May 4, 2010
Toner density estimating method and apparatus using toner image and toner supplying method and apparatus
SAMSUNG ELECTRONICS CO LTD1 citations51
US7715748B2May 11, 2010
Electrophotographic image forming apparatus and developing method thereof
SAMSUNG ELECTRONICS CO LTD0 citations42