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Class Information
Number: 399/300
Name: Electrophotography > Image formation > Transfer > Color > From multiple positions
Description: Subject matter wherein an arrangement is provided for receiving toner images from two or more different positions of an image-bearing member.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8654419 Image forming apparatus and image density detecting method Feb. 18, 2014
8649716 Image forming apparatus Feb. 11, 2014
8554089 Job error correction in a multicolor electrophotographic print engine Oct. 8, 2013
8532510 Image forming apparatus with image detector Sep. 10, 2013
8526866 Image forming device Sep. 3, 2013
8494387 Color-image forming apparatus Jul. 23, 2013
8422897 Image forming apparatus Apr. 16, 2013
8405879 Method for calibrating a multi-color printing machine Mar. 26, 2013
8306465 Image forming apparatus having varying distances between photosensitive drums and transfer rollers Nov. 6, 2012
8169657 Registration method using sensed image marks and digital realignment May. 1, 2012
8150281 Image forming apparatus Apr. 3, 2012
8090303 Image forming apparatus Jan. 3, 2012
8010004 Belt transfer device Aug. 30, 2011
8000617 Image forming apparatus having toner containers of varying sizes Aug. 16, 2011
7995960 Image forming apparatus having units for cleaning photosensitive members Aug. 9, 2011
7941078 Electrophotographic image forming apparatus having transparent toner May. 10, 2011
7937016 Transfer device and image forming apparatus including the same May. 3, 2011
7916348 Image forming apparatus Mar. 29, 2011
7831161 Method and apparatus for image forming of effectively detecting image data Nov. 9, 2010
7742728 Image forming apparatus with compactly arranged image forming devices Jun. 22, 2010
7734234 Positional-deviation correction apparatus, method of controlling positional deviation, and image forming apparatus Jun. 8, 2010
7734235 Image forming apparatus including a metallic driving roller Jun. 8, 2010
7693441 Image forming apparatus including a toner removing device operable in two modes for removing residual toner on an intermediate transfer member Apr. 6, 2010
7643186 Image forming device, method for adjusting toner concentration, programs, and recording media of the same Jan. 5, 2010
7483661 Image forming apparatus which prevents misregistration Jan. 27, 2009
7477863 Image forming apparatus and image forming method with cleaner portion Jan. 13, 2009
7466940 Modular marking architecture for wide media printing platform Dec. 16, 2008
7446281 Heating device Nov. 4, 2008
7395004 Image forming apparatus featuring first and second toner removing sequence selected on the basis of a toner amount per unit area Jul. 1, 2008
7395012 Position setting method of photosensitive body and image forming apparatus Jul. 1, 2008
7333758 Image forming apparatus Feb. 19, 2008
7330674 Image forming apparatus for preventing resistance variation of intermediate transfer belt and method thereof Feb. 12, 2008
7298502 Image forming apparatus Nov. 20, 2007
7221894 Image forming apparatus which prevents misregistration May. 22, 2007
7130568 Image forming apparatus which presents faulty image when toner image on image bearing member is transferred to transferring medium Oct. 31, 2006
6993276 Belt apparatus and image forming apparatus having the same Jan. 31, 2006
6973284 Induction heating apparatus having sheet releasing mechanism Dec. 6, 2005
6930786 Image forming apparatus Aug. 16, 2005
6694119 Perfecting press apparatus Feb. 17, 2004
6173141 Apparatus for forming color images by the superimposition of visualized latent images having drive means for simultaneously driving at least a recording medium conveying means and a source of Jan. 9, 2001
6142690 Color image forming apparatus with drive power transmission mechanism Nov. 7, 2000
6021302 Device for electrostatically transferring color toner images onto an electrically grounded receptor sheet Feb. 1, 2000
5960241 Color image forming device and image transfer point deciding method in the same Sep. 28, 1999
5636010 Image forming apparatus having a plurality of developing means Jun. 3, 1997
5600404 Correction of misregistration in an image forming apparatus depending on multiple regions of a transfer belt Feb. 4, 1997
5594538 Image forming apparatus having multi-layer transfer material bearing member with different coefficient of kinetic frictions between layers Jan. 14, 1997
5581331 Color image forming apparatus Dec. 3, 1996
5532812 Apparatus for forming a copy of an original image on a sheet of paper Jul. 2, 1996
5502554 Image transferring unit of non-contact type roller method Mar. 26, 1996
5428432 Electrophotographic recording apparatus having integrated heating and cooling device Jun. 27, 1995

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