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Class Information
Number: 399/299
Name: Electrophotography > Image formation > Transfer > Color > From plural photoconductive members (e.g., drums)
Description: Subject matter wherein the transfer is from more than one discrete image-bearing member (e.g., plural photoconductive drums).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620353 |
Image forming apparatus and control method for driving the same |
Nov. 17, 2009 |
| 7620339 |
Image forming apparatus including first and second cleaning members |
Nov. 17, 2009 |
| 7610003 |
Image forming apparatus for recycling toner |
Oct. 27, 2009 |
| 7599651 |
Image forming apparatus including grooved cam and link mechanism engaging with grooves of the grooved cam |
Oct. 6, 2009 |
| 7587157 |
Image forming apparatus capable of correcting a rotation speed of an image carrier |
Sep. 8, 2009 |
| 7583919 |
Color image forming apparatus capable of effectively matching registration between elementary color images |
Sep. 1, 2009 |
| 7580663 |
Image forming apparatus comprising a move member which moves to the surface of the photosensitive drums |
Aug. 25, 2009 |
| 7570906 |
Tandem type color image forming machine |
Aug. 4, 2009 |
| 7561839 |
Image forming apparatus and image forming method |
Jul. 14, 2009 |
| 7561829 |
Motor control device, image forming apparatus, and motor control method |
Jul. 14, 2009 |
| 7561840 |
Transfer endless belt device applied to image forming apparatus |
Jul. 14, 2009 |
| 7555242 |
Image forming apparatus having drive system according to loads |
Jun. 30, 2009 |
| 7551880 |
Image forming apparatus featuring a cleaning device including a conductive support member provided so as to intersect a line segment connected between rotational centers of a charge member of |
Jun. 23, 2009 |
| 7542707 |
Image forming apparatus |
Jun. 2, 2009 |
| 7542690 |
Color image forming apparatus, and program and method of controlling a color image forming apparatus |
Jun. 2, 2009 |
| 7539453 |
Printer capable of reserving sheet wrapping width |
May. 26, 2009 |
| 7536143 |
Method and apparatus for image forming for effectively adjusting phase differences of image bearing members |
May. 19, 2009 |
| 7526240 |
Image forming apparatus including a plurality of photoconductive elements developing devices and mirrors |
Apr. 28, 2009 |
| 7512355 |
Ozone exhaust system for image forming apparatus |
Mar. 31, 2009 |
| 7499066 |
Image forming apparatus with improved capability of image superposition |
Mar. 3, 2009 |
| 7496302 |
Black print quality enhancement for high humidity environment |
Feb. 24, 2009 |
| 7493062 |
Image-forming device having switchback conveying path |
Feb. 17, 2009 |
| 7483661 |
Image forming apparatus which prevents misregistration |
Jan. 27, 2009 |
| 7469119 |
Synchronous duplex printing systems with intermediate transfer members |
Dec. 23, 2008 |
| 7457561 |
Color image forming apparatus, and toner replenishing apparatus |
Nov. 25, 2008 |
| 7450893 |
Electrophotographic color image forming apparatus having a plurality of transfer rollers |
Nov. 11, 2008 |
| 7440720 |
Image forming apparatus and image transferring unit for the same |
Oct. 21, 2008 |
| 7430391 |
Image forming apparatus featuring a cleaning device including a conductive support member provided between a developing member and a charging member |
Sep. 30, 2008 |
| 7430389 |
Image forming apparatus with transparent toner developer |
Sep. 30, 2008 |
| 7430382 |
Color image forming apparatus, and program and method of controlling a color image forming apparatus |
Sep. 30, 2008 |
| 7424254 |
Image forming apparatus |
Sep. 9, 2008 |
| 7406281 |
Image forming apparatus and method thereof |
Jul. 29, 2008 |
| 7406282 |
Image forming apparatus |
Jul. 29, 2008 |
| 7400851 |
Image forming apparatus with pressure applying members that apply pressure to support shafts |
Jul. 15, 2008 |
| 7400852 |
Image forming apparatus with selectively movable transfer rollers |
Jul. 15, 2008 |
| 7398041 |
Color image forming apparatus using base-layer |
Jul. 8, 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 |
| 7391990 |
Waste developer collecting container for color image forming apparatus |
Jun. 24, 2008 |
| 7392001 |
Transfer belt device and image forming apparatus |
Jun. 24, 2008 |
| 7389075 |
Image forming apparatus, program and positional error correction method |
Jun. 17, 2008 |
| 7373097 |
Printer engine and color image forming device using this printer engine for preventing deviation of transfer positions and overlap deviation |
May. 13, 2008 |
| 7359663 |
Image forming apparatus |
Apr. 15, 2008 |
| 7349658 |
Image forming apparatus that has a full-color mode and a monocolor mode, and image forming apparatus that can adjust the length of a non-image forming region during mode switching state |
Mar. 25, 2008 |
| 7346303 |
Image forming apparatus having plural image carriers for superimposingly transferring images |
Mar. 18, 2008 |
| 7343123 |
Image forming apparatus having reduced image errors from image bearing bodies and method of manufacturing same |
Mar. 11, 2008 |
| 7343124 |
Structure for discharging papers in a tandem type color image forming machine |
Mar. 11, 2008 |
| 7343125 |
Image forming apparatus |
Mar. 11, 2008 |
| 7343126 |
Image forming apparatus including a transfer belt having image forming units disposed thereabout |
Mar. 11, 2008 |
| 7333758 |
Image forming apparatus |
Feb. 19, 2008 |
| 7333759 |
Image forming apparatus |
Feb. 19, 2008 |
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