P

Inventor

AHN BYEONG HWA

KR38 patents
⚠️ This page may combine multiple inventors who share the name “AHN BYEONG HWA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SAMSUNG ELECTRONICS CO LTD

34 patents
US6725004B2Apr 20, 2004

Coupling apparatus used with a printer or photocopier

SAMSUNG ELECTRONICS CO LTD87 citations97
US5953575ASep 14, 1999

Paper guide device for duplex image forming apparatus

SAMSUNG ELECTRONICS CO LTD66 citations95
US7054578B2May 30, 2006

System to replace a photosensitive unit and a transfer unit and a printer having the system

SAMSUNG ELECTRONICS CO LTD19 citations92
US6892042B2May 10, 2005

Coupling apparatus, development cartridge and electrophotographic printer having the same

SAMSUNG ELECTRONICS CO LTD37 citations90
US7343118B2Mar 11, 2008

Door shock absorber and image forming apparatus employing the same

SAMSUNG ELECTRONICS CO LTD17 citations84
US7218868B2May 15, 2007

Image forming apparatus having locking/releasing unit

SAMSUNG ELECTRONICS CO LTD10 citations84
US7076187B2Jul 11, 2006

Electrophotographic printer

SAMSUNG ELECTRONICS CO LTD15 citations84
US7450886B2Nov 11, 2008

Developer-driving device and image forming apparatus having the same

SAMSUNG ELECTRONICS CO LTD10 citations83
US7909318B2Mar 22, 2011

Image forming apparatus

SAMSUNG ELECTRONICS CO LTD17 citations82
US6873819B2Mar 29, 2005

Wasted toner storing apparatus of an image forming apparatus having a rotating dispersing member

SAMSUNG ELECTRONICS CO LTD8 citations74
US7448623B2Nov 11, 2008

Paper feeding mechanism and image forming apparatus employing the same

SAMSUNG ELECTRONICS CO LTD7 citations73
US7877051B2Jan 25, 2011

Fusing unit and image forming apparatus having the same

SAMSUNG ELECTRONICS CO LTD2 citations63
US7486906B2Feb 3, 2009

Electrophotographic printer having removable photosensitive drum unit

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
US7266321B2Sep 4, 2007

Apparatus for supplying voltage to developing device

SAMSUNG ELECTRONICS CO LTD5 citations63
US6952554B2Oct 4, 2005

Waste toner agitator for an electrophotographic image forming apparatus

SAMSUNG ELECTRONICS CO LTD2 citations63
US5860043AJan 12, 1999

Electrophotographic apparatus having a development unit shifter

SAMSUNG ELECTRONICS CO LTD6 citations63
US8948654B2Feb 3, 2015

Transfer device and image forming apparatus having the same

SAMSUNG ELECTRONICS CO LTD3 citations62
US8903274B2Dec 2, 2014

Image forming apparatus

SAMSUNG ELECTRONICS CO LTD2 citations62
US7787803B2Aug 31, 2010

Image forming apparatus having controller to selectively control plurality of driving sources

SAMSUNG ELECTRONICS CO LTD2 citations62
US7702258B2Apr 20, 2010

Color image forming apparatus with color registration compensation unit

SAMSUNG ELECTRONICS CO LTD3 citations62
US7693450B2Apr 6, 2010

Developing unit and an image forming apparatus including the developing unit

SAMSUNG ELECTRONICS CO LTD2 citations62
US7672614B2Mar 2, 2010

Driving apparatus, process cartridge and image forming device having the same

SAMSUNG ELECTRONICS CO LTD2 citations62
US7835666B2Nov 16, 2010

Image forming apparatus and power transmission unit thereof

SAMSUNG ELECTRONICS CO LTD4 citations61
US6832063B2Dec 14, 2004

Apparatus for driving developers of color image forming apparatus

SAMSUNG ELECTRONICS CO LTD6 citations61
US7302215B2Nov 27, 2007

Electrophotographic image forming apparatus having a separator to separate a printing medium from a transfer belt

SAMSUNG ELECTRONICS CO LTD4 citations54
US9280097B2Mar 8, 2016

Transfer device and image forming apparatus having the same

SAMSUNG ELECTRONICS CO LTD0 citations52
US9280128B2Mar 8, 2016

Image forming apparatus

SAMSUNG ELECTRONICS CO LTD0 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
US9213285B2Dec 15, 2015

Image forming apparatus and control method thereof

SAMSUNG ELECTRONICS CO LTD0 citations51
US7302218B2Nov 27, 2007

Image forming apparatus with constant conveying velocity

SAMSUNG ELECTRONICS CO LTD0 citations51
US6904247B2Jun 7, 2005

High voltage switching equipment of developing device for color image forming apparatus

SAMSUNG ELECTRONICS CO LTD0 citations42

LEE JUN HO

2 patents

JEONG GI CHEOL

1 patent

AHN BYEONG HWA

1 patent