Inventor
YOO YONG-BAEK
KR23 patents
⚠️ This page may combine multiple inventors who share the name “YOO YONG-BAEK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
22 patentsUS5666596ASep 9, 1997
Process cartridge of an image forming device
SAMSUNG ELECTRONICS CO LTD26 citations92
US6694118B2Feb 17, 2004
Developing apparatus of electrophotographic printer
SAMSUNG ELECTRONICS CO LTD8 citations73
US6413318B2Jul 2, 2002
Sheet coating apparatus
SAMSUNG ELECTRONICS CO LTD8 citations73
US6091914AJul 18, 2000
Liquid developer concentration measuring apparatus of an image processor
SAMSUNG ELECTRONICS CO LTD12 citations73
US5933685AAug 3, 1999
Apparatus for detecting concentration of developer by measurement of optical transmissivity
SAMSUNG ELECTRONICS CO LTD14 citations73
US5812905ASep 22, 1998
Method and apparatus for controlling a charge voltage of an OPC drum to be an optimum value
SAMSUNG ELECTRONICS CO LTD14 citations73
US6289184B1Sep 11, 2001
Apparatus for measuring concentration of developer of liquid printer
SAMSUNG ELECTRONICS CO LTD11 citations71
US7164876B2Jan 16, 2007
Photoreceptor unit
SAMSUNG ELECTRONICS CO LTD4 citations62
US6819887B1Nov 16, 2004
Apparatus and method for measuring concentration of developer in liquid printer
SAMSUNG ELECTRONICS CO LTD2 citations62
US6807394B2Oct 19, 2004
Apparatus for connecting and disconnecting developing bias power supply
SAMSUNG ELECTRONICS CO LTD6 citations62
US6101342AAug 8, 2000
Apparatus and method for measuring developer contamination of printer
SAMSUNG ELECTRONICS CO LTD2 citations62
US5970289AOct 19, 1999
Apparatus for eliminating excess ions of a developer for liquid electrophotographic printer
SAMSUNG ELECTRONICS CO LTD4 citations62
US5897240AApr 27, 1999
Concentration measuring device of electrographic printer
SAMSUNG ELECTRONICS CO LTD3 citations62
US5758225AMay 26, 1998
Method and device for supplying a variable bias voltage to a developing roller
SAMSUNG ELECTRONICS CO LTD3 citations62
US5812904ASep 22, 1998
Image forming apparatus and method for controlling charging potential differently between image forming area and non-image forming area of photosensitive drum
SAMSUNG ELECTRONICS CO LTD3 citations60
US5828927AOct 27, 1998
Method of preventing back side of paper from contamination in electrophotography printer
SAMSUNG ELECTRONICS CO LTD5 citations57
US6718156B2Apr 6, 2004
Waste toner collecting apparatus of electrophotographic image forming device
SAMSUNG ELECTRONICS CO LTD0 citations52
US7447455B2Nov 4, 2008
Color image forming apparatus and mono color printing method thereof
SAMSUNG ELECTRONICS CO LTD1 citations51
US7263310B2Aug 28, 2007
Housing assembly of OPC unit
SAMSUNG ELECTRONICS CO LTD1 citations51
US7260343B2Aug 21, 2007
Gear assembly used with an image forming apparatus, an optical photoconductive (OPC) unit having the same, and a method of driving the gear assembly
SAMSUNG ELECTRONICS CO LTD1 citations51
US6704530B2Mar 9, 2004
Method for forming image in electrophotographic printer
SAMSUNG ELECTRONICS CO LTD0 citations51
US5890039AMar 30, 1999
Apparatus for preventing toner from settling in a wet developing unit
SAMSUNG ELECTRONICS CO LTD1 citations51