Baek; Chung Guk

Patent Applications and Registrations

Patent applications and USPTO patent grants for Baek; Chung Guk.The latest application filed is for "developing device and image forming apparatus having the same".

Company Profile

0.15.17

Baek; Chung Guk - Suwon-si KR
Baek; Chung-guk - Suwon KR
Baek, Chung-Guk - 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 device to smoothy dispense developer and image forming apparatus having the same Grant 8,036,581 - Baek October 11, 2	2011-10-11
Developing Device And Image Forming Apparatus Having The Same App 20090060593 - Baek; Chung Guk	2009-03-05
Shutter for a developing unit of an electrophotographic image forming apparatus Grant 7,286,787 - Baek , et al. October 23, 2	2007-10-23
Transfer unit mounting device and image forming apparatus having the same Grant 7,269,378 - Baek , et al. September 11, 2	2007-09-11
Waste toner pulverizing apparatus and toner cartridge with the same Grant 7,266,338 - Baek September 4, 2	2007-09-04
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
Photosensitive unit and electrophotographic image forming apparatus including the same Grant 7,248,816 - Baek July 24, 2	2007-07-24
Waste toner collecting apparatus and electrophotographic image forming device including the same Grant 7,245,867 - Baek , et al. July 17, 2	2007-07-17
Photoreceptor unit Grant 7,164,876 - Yoo , et al. January 16, 2	2007-01-16
Image forming apparatus App 20060251447 - Baek; Chung-guk	2006-11-09
Waste toner pulverizing apparatus and toner cartridge with the same App 20060165451 - Baek; Chung-guk	2006-07-27
Waste toner collecting apparatus using OPC drum Grant 7,050,750 - Byun , et al. May 23, 2	2006-05-23
Developing unit and electrophotographic image forming apparatus having the same App 20060093400 - Baek; Chung-guk ; et al.	2006-05-04
Waste toner collecting apparatus and electrophotographic image forming device including the same App 20060018691 - Baek; Chung-guk ; et al.	2006-01-26
Photosensitive unit and electrophotographic image forming apparatus including the same App 20050238386 - Baek, Chung-guk	2005-10-27
OPC unit exchanging apparatus Grant 6,952,545 - Baek October 4, 2	2005-10-04
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
Transfer unit mounting device and image forming apparatus having the same App 20050084290 - 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
Developing apparatus of electric photographic printer Grant 6,801,732 - Choi , et al. October 5, 2	2004-10-05
Squeezing device of a wet printer and a developing unit employing the same Grant 6,778,800 - Shim , et al. August 17, 2	2004-08-17
OPC unit exchanging apparatus App 20040005168 - Baek, Chung-Guk	2004-01-08
Waste toner collecting apparatus using OPC drum App 20040005179 - Byun, Seung-Young ; et al.	2004-01-08
Developing apparatus of electric photographic printer App 20030099482 - Choi, Jeong-Jai ; et al.	2003-05-29
Squeezing device of a wet printer and a developing unit employing the same App 20020141786 - Shim, Woo-jung ; et al.	2002-10-03
Ink supply apparatus of printer Grant 6,406,128 - Lee , et al. June 18, 2	2002-06-18
Ink Supply Apparatus Of Printer App 20020008735 - Lee, Beom-Ro ; et al.	2002-01-24
Ink supply apparatus for wet electrophotographic printer Grant 6,032,010 - Kim , et al. February 29, 2	2000-02-29

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