Inventor

JOO JONG-HWA

KR9 patents

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

SAMSUNG ELECTRONICS CO LTD

3 patents

USD624583SSep 28, 2010

Developing device for a color printer

SAMSUNG ELECTRONICS CO LTD6 citations73

US8977162B2Mar 10, 2015

Developing device and image forming apparatus including the same

SAMSUNG ELECTRONICS CO LTD1 citations51

US8010021B2Aug 30, 2011

Developing cartridge having a plurality of developers with different material properties and image forming apparatus having the same

SAMSUNG ELECTRONICS CO LTD0 citations49

CHOI WOONG-YONG

2 patents

USD706339SJun 3, 2014

Developing device for a printer

CHOI WOONG-YONG13 citations81

USD705349SMay 20, 2014

Developing apparatus for printer

CHOI WOONG-YONG11 citations81

JOO JONG-HWA

2 patents

US8831474B2Sep 9, 2014

Developing device and image forming apparatus including the same

JOO JONG-HWA2 citations58

US8150276B2Apr 3, 2012

Image forming apparatus to adjust driving rate of a supply unit and controlling method of the same

JOO JONG-HWA1 citations47

JEON IN-CHEOL

1 patent

US8538297B2Sep 17, 2013

Charging apparatus using charging tube and image forming apparatus having the same

JEON IN-CHEOL0 citations50

KWON EUN YOUNG

1 patent

US8229321B2Jul 24, 2012

Image forming apparatus including grounded conductive member

KWON EUN YOUNG0 citations42