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Inventor

Jong-hwa Joo

Inventor
Seoul, KR

Overview

9→
Patents
2010–2015
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary
G03GElectrography60%
LOC1630%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
8,977,162'Developing device and image forming apparatus including the same'20158,831,474'Developing device and image forming apparatus including the same'2014D0706339'Developing device for a printer'2014D0705349'Developing apparatus for printer'20148,538,297'Charging apparatus using charging tube and image forming apparatus having the same'20138,229,321'Image forming apparatus including grounded conductive member'20128,150,276'Image forming apparatus to adjust driving rate of a supply unit and controlling method of the same'20128,010,021'Developing cartridge having a plurality of developers with different material properties and image forming apparatus having the same'2011D0624583'Developing device for a color printer'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2015Patents assigned to SAMSUNG ELECTRONICS CO LTD (9)· patent assignee history
2010–2015Based in Seoul, KR· patent location history
2012–2014Patents assigned to JOO JONG-HWA (5)· patent assignee history
2013–2014Patents assigned to DO KI-JAE (2)· patent assignee history
2013–2014Patents assigned to JEON IN-CHEOL (2)· patent assignee history
2013Based in Suwon-si, KR· patent location history
2014Patents assigned to CHOI WOONG-YONG (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAMSUNG ELECTRONICS CO LTD92010–2015
JOO JONG-HWAself52012–2014
CHOI WOONG-YONG32014
DO KI-JAE22013–2014
JEON IN-CHEOL22013–2014
Locations
LocationPatentsSpan
Seoul, KR82010–2015
Suwon-si, KR12013