Yoo; Yong-baek

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yoo; Yong-baek.The latest application filed is for "developing apparatus usable with image forming apparatus, image forming apparatus having the same, method to prevent developer from flowing out the developing apparatus".

Company Profile

0.13.18

Yoo; Yong-baek - Suwon-si KR
Yoo; Yong-baek - Suwon KR
Yoo; Yong-baek - Gyeonggi-do KR
Yoo, Yong-baek - Gyunggi-do KR
Yoo, Yong-baek - 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
Developing apparatus usable with image forming apparatus, image forming apparatus having the same, method to prevent developer from flowing out the developing apparatus Grant 8,086,153 - Jeon , et al. December 27, 2	2011-12-27
Developing Apparatus Usable With Image Forming Apparatus, Image Forming Apparatus Having The Same, Method To Prevent Developer From Flowing Out The Developing Apparatus App 20090274489 - Jeon; In-cheol ; et al.	2009-11-05
Color image forming apparatus and mono color printing method thereof Grant 7,447,455 - Kyung , et al. November 4, 2	2008-11-04
Image Forming Apparatus And Electric Discharge Reduction Method Thereof App 20080187337 - KIM; Jin-cheol ; et al.	2008-08-07
Housing assembly of OPC unit Grant 7,263,310 - Baek , et al. August 28, 2	2007-08-28
Gear assembly used with an image forming apparatus, an optical photoconductive (OPC) unit having the same, and a method of driving the gear assembly Grant 7,260,343 - Baek , et al. August 21, 2	2007-08-21
Charging voltage supply and method for supplying charging voltage App 20070172248 - Shin; Joong-gwang ; et al.	2007-07-26
Electrophotographic image forming apparatus and method for improving transferring properties App 20070172244 - Lee; Sun-woo ; et al.	2007-07-26
Photoreceptor unit Grant 7,164,876 - Yoo , et al. January 16, 2	2007-01-16
Color image forming apparatus and mono color printing method thereof App 20060269316 - Kyung; Myung-ho ; et al.	2006-11-30
Image forming apparatus for determining conveying state of printing medium and a method thereof App 20060257156 - Kyung; Myung-ho ; et al.	2006-11-16
Toner composition for electrophotographic imaging apparatus and method of preparing the same App 20060084000 - Tsunemi; Koichi ; et al.	2006-04-20
Photosensitive drum having a spacer and electrophotograhic image forming apparatus having the same App 20050129426 - Tsunemi, Koichi ; et al.	2005-06-16
Gear assembly and OPC unit provided with the same App 20050084292 - Baek, Chung-guk ; et al.	2005-04-21
Housing assembly of OPC unit App 20050084289 - Baek, Chung-guk ; et al.	2005-04-21
Photoreceptor unit App 20050084288 - Yoo, Yong-baek ; et al.	2005-04-21
Organic photoconductive drum assembly App 20050078979 - Yoo, Yong-baek ; et al.	2005-04-14
Apparatus and method for measuring concentration of developer in liquid printer Grant 6,819,887 - Eom , et al. November 16, 2	2004-11-16
Apparatus for connecting and disconnecting developing bias power supply Grant 6,807,394 - Yoo October 19, 2	2004-10-19
Waste toner collecting apparatus of electrophotographic image forming device Grant 6,718,156 - Lee , et al. April 6, 2	2004-04-06
Method for forming image in electrophotographic printer Grant 6,704,530 - Yoo March 9, 2	2004-03-09
Developing apparatus of electrophotographic printer Grant 6,694,118 - Yoo February 17, 2	2004-02-17
Apparatus for connecting and disconnecting developing bias power supply App 20030228169 - Yoo, Yong-Baek	2003-12-11
Waste toner collecting apparatus of electrophotographic image forming device App 20030180077 - Lee, Jin-Soo ; et al.	2003-09-25
Photosensitive drum for printing apparatus App 20030170554 - Kim, Yong-Geun ; et al.	2003-09-11
Developing apparatus of electrophotographic printer App 20030129003 - Yoo, Yong-baek	2003-07-10
Method for forming image in electrophotographic printer App 20030129002 - Yoo, Yong-Baek	2003-07-10
Sheet coating apparatus App 20010017106 - Yoo, Yong-baek ; et al.	2001-08-30
Method of preventing back side of paper from contamination in electrophotography printer Grant 5,828,927 - Yoo , et al. October 27, 1	1998-10-27
Method and apparatus for controlling a charge voltage of an OPC drum to be an optimum value Grant 5,812,905 - Yoo September 22, 1	1998-09-22
Process cartridge of an image forming device Grant 5,666,596 - Yoo September 9, 1	1997-09-09

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