Cho; Durk-hyun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cho; Durk-hyun.The latest application filed is for "device for fusing toner on print medium".

Company Profile

0.26.31

Cho; Durk-hyun - Suwon-si KR
Cho; Durk-hyun - Gyeonggi-do KR
Cho; Durk-hyun - Suwon KR
Cho, Durk-hyun - Suwon-city KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Device for fusing toner on print medium Grant 8,045,878 - Chae , et al. October 25, 2	2011-10-25
Fusing device heated by induced current for instantly controlling power Grant 8,032,045 - Chae , et al. October 4, 2	2011-10-04
Device for fusing toner on print medium App 20100247181 - Chae; Young-min ; et al.	2010-09-30
Device for fusing toner on print medium Grant 7,756,438 - Chae , et al. July 13, 2	2010-07-13
Image forming apparatus having improved flicker characteristics and method thereof Grant 7,598,476 - Chae , et al. October 6, 2	2009-10-06
Device for fusing toner on print medium Grant 7,565,103 - Chae , et al. July 21, 2	2009-07-21
Image printer with common filter to filter common operating frequency band of fixing module and switch mode power supply module Grant 7,424,234 - Kim , et al. September 9, 2	2008-09-09
Image fixing device of an image forming apparatus Grant 7,415,234 - Kim , et al. August 19, 2	2008-08-19
Fusing roller with adjustable heating area and fusing apparatus using the same Grant 7,369,802 - Cho , et al. May 6, 2	2008-05-06
Fusing roller and fusing apparatus having the same Grant 7,356,299 - Kim , et al. April 8, 2	2008-04-08
Fusing roller and fusing apparatus using the same Grant 7,349,661 - Cho , et al. March 25, 2	2008-03-25
Fusing roller and fusing apparatus adopting the same Grant 7,340,207 - Cho , et al. March 4, 2	2008-03-04
Printing apparatus, fusing apparatus, and method of controlling fusing temperature of printing apparatus Grant 7,324,770 - Cho January 29, 2	2008-01-29
Fusing roller device for electrophotographic image forming apparatus Grant 7,248,827 - Cho , et al. July 24, 2	2007-07-24
Fusing device of electro-photographic image-forming apparatus and method of using Grant 7,239,839 - Cho July 3, 2	2007-07-03
Fusing device for an electrophotographic image forming apparatus Grant 7,164,880 - Kim , et al. January 16, 2	2007-01-16
Fusing device for instantly controlling power App 20070009274 - Chae; Young-min ; et al.	2007-01-11
Fixing device of an image forming apparatus having a heat transfer unit Grant 7,076,198 - Kim , et al. July 11, 2	2006-07-11
Image printer with common filter to filter common operating frequency band of fixing module and switch mode power supply module App 20060140691 - Kim; Jin-Ha ; et al.	2006-06-29
Image forming apparatus having improved flicker characteristics and method thereof App 20060124630 - Chae; Young-Min ; et al.	2006-06-15
Fusing roller used with an image forming apparatus and a method of manufacture thereof Grant 7,046,951 - Kim , et al. May 16, 2	2006-05-16
Fusing roller and fusing apparatus using the same App 20060093414 - Cho; Durk-hyun ; et al.	2006-05-04
Fusing roller and fusing apparatus adopting the same App 20060093415 - Cho; Durk-hyun ; et al.	2006-05-04
Fusing device for an electrophotographic image forming apparatus Grant 7,035,581 - Cho , et al. April 25, 2	2006-04-25
Fusing roller of image forming apparatus Grant 7,024,146 - Kim , et al. April 4, 2	2006-04-04
Image fixing device of an image forming apparatus App 20060067749 - Kim; Hwan-guem ; et al.	2006-03-30
Fusing roller and fusing apparatus having the same App 20060045588 - Kim; Hwan-guem ; et al.	2006-03-02
Fusing roller and fusing apparatus having the same App 20060045586 - Kim; Hwan-guem ; et al.	2006-03-02
Device for fusing toner on print medium App 20060045591 - Chae; Young-min ; et al.	2006-03-02
Fusing roller and fusing apparatus using the same App 20060045587 - Cho; Durk-hyun ; et al.	2006-03-02
Fusing roller device for electrophotographic image forming apparatus Grant 6,990,310 - Cho , et al. January 24, 2	2006-01-24
Fusing roller device for electrophotographic image forming apparatus App 20060008303 - Cho; Durk-hyun ; et al.	2006-01-12
Device for fusing toner on print medium App 20050286926 - Chae, Young-min ; et al.	2005-12-29
Device for fusing toner on print medium App 20050286939 - Chae, Young-min ; et al.	2005-12-29
Printing apparatus, fusing apparatus, and method of controlling fusing temperature of printing apparatus App 20050276625 - Cho, Durk-hyun	2005-12-15
Fusing device of electro-photographic image-forming apparatus and method of using App 20050141933 - Cho, Durk-Hyun	2005-06-30
Method of controlling power of a fixing device of electro-photographic image forming apparatus in print standby mode Grant 6,907,204 - Cho June 14, 2	2005-06-14
Fusing roller used with image forming apparatus App 20050084279 - Cho, Durk-hyun ; et al.	2005-04-21
Fusing apparatus for an image forming apparatus and a method thereof App 20050063743 - Cho, Durk-hyun ; et al.	2005-03-24
Heating roller of a fixing apparatus and method for manufacturing an electrode for use with the same Grant 6,865,365 - Kim , et al. March 8, 2	2005-03-08
Fusing device for an electrophotographic image forming apparatus Grant 6,853,833 - Cho , et al. February 8, 2	2005-02-08
Fusing device for an electrophotographic image forming apparatus Grant 6,847,798 - Cho , et al. January 25, 2	2005-01-25
Fusing roller used with an image forming apparatus and a method of manufacture thereof App 20040253028 - Kim, Hwan-guem ; et al.	2004-12-16
Power control method and apparatus for fusing roller of eletrophotographic image forming apparatus Grant 6,778,789 - Cho , et al. August 17, 2	2004-08-17
Fusing device for an electrophotographic image forming apparatus App 20040141777 - Cho, Durk-hyun ; et al.	2004-07-22
Fusing device for an electrophotographic image forming apparatus App 20040141778 - Kim, Hwan-Guem ; et al.	2004-07-22
Fusing device for an electrophotographic image forming apparatus App 20040131400 - Cho, Durk-Hyun ; et al.	2004-07-08
Fusing roller of image forming apparatus App 20040120741 - Kim, Hwan-Guem ; et al.	2004-06-24
Fusing roller device for electrophotographic image forming apparatus App 20040101335 - Cho, Durk-hyun ; et al.	2004-05-27
Power control method and apparatus for minimizing heating time instant heating roller Grant 6,730,886 - Cho , et al. May 4, 2	2004-05-04
Fixing device of an image forming apparatus App 20040062578 - Kim, Hwan-Guem ; et al.	2004-04-01
Heating roller of a fixing apparatus and method for manufacturing an electrode for use with the same App 20040047660 - Kim, Hwan-Guem ; et al.	2004-03-11
Method of controlling power of a fixing device of electro-photographic image forming apparatus in print standby mode App 20040042810 - Cho, Durk-hyun	2004-03-04
Fusing device for an electrophotographic image forming apparatus App 20040042826 - Cho, Durk-Hyun ; et al.	2004-03-04
Power control method and apparatus for fusing roller of electrophotographic image forming apparatus App 20030091359 - Cho, Durk-Hyun ; et al.	2003-05-15
Heating roller assembly for electrophotographic printer App 20020114639 - Lee, Kyung-Woo ; et al.	2002-08-22
Power control method and apparatus for instant heating roller App 20020102109 - Cho, Durk-Hyun ; et al.	2002-08-01

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