Inventor

Durk-hyun Cho

Inventor

Suwon-si, KR

Overview

2000–2011

Patent span

Physics

Primary field (CPC G)

Patents· 29 as inventor

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

G03Gprimary

G03GElectrography56%

H05BElectric heating21%

B29CShaping or joining of plastics4%

B29LIndexing scheme associated with subclass b29c, relating to particular articles4%

F16CShafts4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling2%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables2%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact2%

PatentTitleYear

8,045,878'Device for fusing toner on print medium'2011 8,032,045'Fusing device heated by induced current for instantly controlling power'2011 7,756,438'Device for fusing toner on print medium'2010 7,598,476'Image forming apparatus having improved flicker characteristics and method thereof'2009 7,565,103'Device for fusing toner on print medium'2009 7,424,234'Image printer with common filter to filter common operating frequency band of fixing module and switch mode power supply module'2008 7,415,234'Image fixing device of an image forming apparatus'2008 7,369,802'Fusing roller with adjustable heating area and fusing apparatus using the same'2008 7,356,299'Fusing roller and fusing apparatus having the same'2008 7,349,661'Fusing roller and fusing apparatus using the same'2008 7,340,207'Fusing roller and fusing apparatus adopting the same'2008 7,324,770'Printing apparatus, fusing apparatus, and method of controlling fusing temperature of printing apparatus'2008 7,248,827'Fusing roller device for electrophotographic image forming apparatus'2007 7,239,839'Fusing device of electro-photographic image-forming apparatus and method of using'2007 7,164,880'Fusing device for an electrophotographic image forming apparatus'2007 7,076,198'Fixing device of an image forming apparatus having a heat transfer unit'2006 7,046,951'Fusing roller used with an image forming apparatus and a method of manufacture thereof'2006 7,035,581'Fusing device for an electrophotographic image forming apparatus'2006 7,024,146'Fusing roller of image forming apparatus'2006 6,990,310'Fusing roller device for electrophotographic image forming apparatus'2006 6,907,204'Method of controlling power of a fixing device of electro-photographic image forming apparatus in print standby mode'2005 6,865,365'Heating roller of a fixing apparatus and method for manufacturing an electrode for use with the same'2005 6,853,833'Fusing device for an electrophotographic image forming apparatus'2005 6,847,798'Fusing device for an electrophotographic image forming apparatus'2005 6,778,789'Power control method and apparatus for fusing roller of eletrophotographic image forming apparatus'2004 6,730,886'Power control method and apparatus for minimizing heating time instant heating roller'2004 6,587,656'Heating roller assembly for electrophotographic printer and method of making the same'2003 6,336,986'Method for producing hybrid driveshaft'2002 6,126,770'Method for fabricating a spindle or roller employing a composite material'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2002Patents assigned to KOREA ADVANCED INST SCI & TECH (2)· patent assignee history

2000–2002Based in Seoul, KR· patent location history

2003–2011Patents assigned to SAMSUNG ELECTRONICS CO LTD (27)· patent assignee history

2003–2011Based in Suwon-si, KR· patent location history

2005–2007Based in Gyeonggi-do, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SAMSUNG ELECTRONICS CO LTD	27	2003–2011
KOREA ADVANCED INST SCI & TECH	2	2000–2002

Locations

Location	Patents	Span
Suwon-si, KR	20	2003–2011
Gyeonggi-do, KR	7	2005–2007
Seoul, KR	2	2000–2002