Ahn; Byeong Hwa

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ahn; Byeong Hwa.The latest application filed is for "transfer device and image forming apparatus having the same".

Company Profile

0.40.40

Ahn; Byeong Hwa - Seongnam-si KR
Ahn; Byeong Hwa - Seongnam KR
Ahn; Byeong-hwa - Seongnom-si KR
Ahn; Byeong-hwa - Yongin KR
Ahn; Byeong-hwa - Yongin-si KR
Ahn; Byeong-hwa - Gyeongi-do KR
Ahn, Byeong-hwa - Yongin-city KR
Ahn; Byeong-hwa - Gyeonggi-do KR
Ahn; Byeong-Hwa - Kyonggi-do 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
Image forming apparatus Grant 9,280,128 - Ju , et al. March 8, 2	2016-03-08
Transfer device and image forming apparatus having the same Grant 9,280,097 - Ju , et al. March 8, 2	2016-03-08
Image forming apparatus and control method thereof Grant 9,213,285 - Ahn , et al. December 15, 2	2015-12-15
Transfer Device And Image Forming Apparatus Having The Same App 20150117916 - JU; Jeong Yong ; et al.	2015-04-30
Image Forming Apparatus App 20150055982 - JU; Jeong Yong ; et al.	2015-02-26
Transfer device and image forming apparatus having the same Grant 8,948,654 - Ju , et al. February 3, 2	2015-02-03
Image forming apparatus Grant 8,903,274 - Ju , et al. December 2, 2	2014-12-02
Image forming apparatus and a waste toner recovery device thereof Grant 8,903,299 - Lee , et al. December 2, 2	2014-12-02
Safety system for image forming apparatus having expendable developing unit Grant 8,824,914 - Jeong , et al. September 2, 2	2014-09-02
Image Forming Apparatus And Control Method Thereof App 20140241774 - AHN; Byeong Hwa ; et al.	2014-08-28
Image forming apparatus and control method thereof Grant 8,750,779 - Ahn , et al. June 10, 2	2014-06-10
Transfer Device And Image Forming Apparatus Having The Same App 20130136498 - Ju; Jeong Yong ; et al.	2013-05-30
Image Forming Apparatus App 20130108320 - JU; Jeong Yong ; et al.	2013-05-02
Image forming apparatus and transfer device thereof Grant 8,254,808 - Lee , et al. August 28, 2	2012-08-28
Image Forming Apparatus App 20120148298 - JEONG; Gi Cheol ; et al.	2012-06-14
Image forming apparatus Grant 7,909,318 - Kim , et al. March 22, 2	2011-03-22
Fusing unit and image forming apparatus having the same Grant 7,877,051 - Ahn January 25, 2	2011-01-25
Image forming apparatus and power transmission unit thereof Grant 7,835,666 - Kim , et al. November 16, 2	2010-11-16
Image forming apparatus having controller to selectively control plurality of driving sources Grant 7,787,803 - Ahn , et al. August 31, 2	2010-08-31
Color image forming apparatus with color registration compensation unit Grant 7,702,258 - Kim , et al. April 20, 2	2010-04-20
Developing unit and an image forming apparatus including the developing unit Grant 7,693,450 - Kim , et al. April 6, 2	2010-04-06
Image Forming Apparatus App 20100054825 - Ju; Jeong Yong ; et al.	2010-03-04
Driving apparatus, process cartridge and image forming device having the same Grant 7,672,614 - Kang , et al. March 2, 2	2010-03-02
Image Forming Apparatus And A Waste Toner Recovery Device Thereof App 20100046999 - LEE; Jun Ho ; et al.	2010-02-25
Image Forming Apparatus And Transfer Device Thereof App 20090317150 - LEE; Jun Ho ; et al.	2009-12-24
Image Forming Apparatus App 20090174133 - KIM; Hak Kyum ; et al.	2009-07-09
Electrophotographic printer having removable photosensitive drum unit Grant 7,486,906 - Jeong , et al. February 3, 2	2009-02-03
Fusing Unit And Image Forming Apparatus Having The Same App 20080310894 - AHN; Byeong-hwa	2008-12-18
Paper feeding mechanism and image forming apparatus employing the same Grant 7,448,623 - Ahn , et al. November 11, 2	2008-11-11
Developer-driving device and image forming apparatus having the same Grant 7,450,886 - Ahn , et al. November 11, 2	2008-11-11
Image Forming Apparatus And Control Method Thereof App 20080187381 - Ahn; Byeong Hwa ; et al.	2008-08-07
Image Forming Apparatus And Power Transmission Unit Thereof App 20080118271 - Kim; Se-min ; et al.	2008-05-22
Image Forming Apparatus Having Controller To Selectively Control Plurality Of Driving Sources App 20080118274 - AHN; Byung-sun ; et al.	2008-05-22
Image forming apparatus Grant 7,343,129 - Ahn , et al. March 11, 2	2008-03-11
Door shock absorber and image forming apparatus employing the same Grant 7,343,118 - Ahn , et al. March 11, 2	2008-03-11
Electrophotographic image forming apparatus having a separator to separate a printing medium from a transfer belt Grant 7,302,215 - Ahn , et al. November 27, 2	2007-11-27
Image forming apparatus with constant conveying velocity Grant 7,302,218 - Ahn , et al. November 27, 2	2007-11-27
Electrophotographic printer Grant 7,289,749 - Lyu , et al. October 30, 2	2007-10-30
Apparatus for supplying voltage to developing device Grant 7,266,321 - Ahn , et al. September 4, 2	2007-09-04
Image forming apparatus having locking/releasing unit Grant 7,218,868 - Ahn , et al. May 15, 2	2007-05-15
Driving apparatus, process cartridge and image forming device having the same App 20070077091 - Kang; Il-kwon ; et al.	2007-04-05
Color image forming apparatus with color registration compensation unit App 20070077090 - Kim; Soo-yong ; et al.	2007-04-05
Electrophotographic image forming apparatus App 20070071509 - Ahn; Byeong-hwa ; et al.	2007-03-29
Developing unit and an image forming apparatus including the developing unit App 20070065176 - Kim; Soo-yong ; et al.	2007-03-22
Image forming apparatus with constant conveying velocity App 20060263121 - Ahn; Byeong-Hwa ; et al.	2006-11-23
Developer-driving device and image forming apparatus having the same App 20060257166 - Ahn; Byeong-hwa ; et al.	2006-11-16
Foreign substance prevention unit to protect electro-photographic printer from foreign substances Grant 7,110,712 - Yoon , et al. September 19, 2	2006-09-19
Electrophotographic printer having movable pre-transfer erasing unit Grant 7,082,281 - Jung , et al. July 25, 2	2006-07-25
Developer driving apparatus and image forming apparatus including the same App 20060153595 - Yoon; Young-Min ; et al.	2006-07-13
Electrophotographic printer Grant 7,076,187 - Jeong , et al. July 11, 2	2006-07-11
Door shock absorber and image forming apparatus employing the same App 20060120756 - Ahn; Byeong-hwa ; et al.	2006-06-08
Electrophotographic image forming apparatus App 20060115304 - Ahn; Byeong-hwa ; et al.	2006-06-01
System to replace a photosensitive unit and a transfer unit and a printer having the system Grant 7,054,578 - Jung , et al. May 30, 2	2006-05-30
Image forming apparatus App 20060083550 - Ahn; Byeong-hwa ; et al.	2006-04-20
Paper feeding mechanism and image forming apparatus employing the same App 20050280206 - Ahn, Byeong-hwa ; et al.	2005-12-22
Waste toner agitator for an electrophotographic image forming apparatus Grant 6,952,554 - Ahn , et al. October 4, 2	2005-10-04
High voltage switching equipment of developing device for color image forming apparatus Grant 6,904,247 - Yoon , et al. June 7, 2	2005-06-07
Coupling apparatus, development cartridge and electrophotographic printer having the same Grant 6,892,042 - Jang , et al. May 10, 2	2005-05-10
Image forming apparatus App 20050095018 - Ahn, Byeong-hwa ; et al.	2005-05-05
Foreign substance prevention unit to protect electro-photographic printer from foreign substances App 20050095044 - Yoon, Young-min ; et al.	2005-05-05
Bushing for supporting shaft and shaft assembling method using the same App 20050091829 - Yoon, Young-min ; et al.	2005-05-05
Wasted toner storing apparatus of an image forming apparatus having a rotating dispersing member Grant 6,873,819 - Ahn , et al. March 29, 2	2005-03-29
Apparatus for supplying voltage to developing device App 20050053391 - Ahn, Byeong-hwa ; et al.	2005-03-10
Electrophotographic printer App 20050002688 - Jeong, Heung-sup ; et al.	2005-01-06
System to replace a photosensitive unit and a transfer unit and a printer having the system App 20050002687 - Jung, Woo-chul ; et al.	2005-01-06
Electrophotographic printer App 20050002682 - Lyu, Se-hyun ; et al.	2005-01-06
Electrophotographic printer App 20050002691 - Jung, Woo-chul ; et al.	2005-01-06
Electrophotographic printer App 20050002689 - Jeong, Heung-sup ; et al.	2005-01-06
Apparatus for driving developers of color image forming apparatus Grant 6,832,063 - Ahn , et al. December 14, 2	2004-12-14
Waste toner agitator for an electrophotographic image forming apparatus App 20040146326 - Ahn, Byeong-hwa ; et al.	2004-07-29
Wasted toner storing apparatus of dry type electrophotographic image forming apparatus and dry type electrophotographic image forming apparatus using the same App 20040096251 - Ahn, Byeong-Hwa ; et al.	2004-05-20
Coupling apparatus used with a printer or photocopier Grant 6,725,004 - Ahn , et al. April 20, 2	2004-04-20
High voltage switching equipment of developing device for color image forming apparatus App 20040005165 - Yoon, Young-Min ; et al.	2004-01-08
Apparatus for driving developers of color image forming apparatus App 20030235432 - Ahn, Byeong-hwa ; et al.	2003-12-25
Coupling apparatus used with a printer or photocopier App 20030099485 - Ahn, Byeong-hwa ; et al.	2003-05-29
Coupling apparatus, development cartridge and electrophotographic printer having the same App 20030059233 - Jang, Kyung-Hwan ; et al.	2003-03-27
Paper guide device for duplex image forming apparatus Grant 5,953,575 - Park , et al. September 14, 1	1999-09-14