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Class Information
Number: 399/49
Name: Electrophotography > Control of electrophotography process > Of plural processes > Having detection of toner (e.g., patch)
Description: Subject matter wherein a means or method is provided that senses developing material.

Patents under this class:

Patent Number Title Of Patent Date Issued
8712292 Color image forming apparatus with contact control of process units Apr. 29, 2014
8712266 Image forming apparatus Apr. 29, 2014
8712265 Image forming apparatus with an improved density adjustment unit Apr. 29, 2014
8711431 Image forming apparatus acquiring image processing time detected when the acquired time is longer that the previously set time and to correct output image density using generated patch pattern Apr. 29, 2014
8705993 Electrostatic image forming apparatus utilizing index patterns for toner image alignment Apr. 22, 2014
8705124 Image forming apparatus, color-misregistration correcting method, and computer program product Apr. 22, 2014
8705120 Methods and systems for achieving print uniformity using reduced memory or computational requirements Apr. 22, 2014
8705073 Density detection apparatus and method and image forming apparatus Apr. 22, 2014
8693930 Image formation device and image correction method Apr. 8, 2014
8693902 Image forming apparatus Apr. 8, 2014
8687986 Image forming apparatus with deflection amount detector and toner density detection means Apr. 1, 2014
8682185 Image forming apparatus maintaining clean back surface of recording material Mar. 25, 2014
8682183 Image forming apparatus capable of correcting image density promptly according to change in toner density, and method of controlling the image forming apparatus Mar. 25, 2014
8676070 Image forming apparatus Mar. 18, 2014
8676069 Image forming apparatus Mar. 18, 2014
8670684 Image forming apparatus Mar. 11, 2014
8666271 Image forming apparatus and storage medium for image quality stabilization Mar. 4, 2014
8666265 Image forming apparatus and image forming method of electrophotography Mar. 4, 2014
8660475 Printer maintenance by application of a service patch Feb. 25, 2014
8660446 Image forming apparatus Feb. 25, 2014
8655208 Image forming apparatus for image transfer onto a transfer member Feb. 18, 2014
8654419 Image forming apparatus and image density detecting method Feb. 18, 2014
8649717 Image forming apparatus and storing medium Feb. 11, 2014
8643903 Printing apparatus Feb. 4, 2014
8630560 Printing apparatus Jan. 14, 2014
8630030 Image forming apparatus and image quality calibration method thereof Jan. 14, 2014
8626042 Detecting apparatus and image forming apparatus including the same Jan. 7, 2014
8626012 Image forming apparatus and image forming method Jan. 7, 2014
8620169 Image forming apparatus Dec. 31, 2013
8611768 Image forming apparatus and image forming method Dec. 17, 2013
8606133 Image forming apparatus Dec. 10, 2013
8606130 Toner-density calculating method, reflective optical sensor, and image forming apparatus Dec. 10, 2013
8606129 Image forming system and image forming apparatus for detecting position deviation and density deviation Dec. 10, 2013
8600274 Color image forming apparatus Dec. 3, 2013
8600248 Image forming apparatus Dec. 3, 2013
8594543 Color-to-color registration for belt printing system Nov. 26, 2013
8594542 Image control for detecting an adjustment pattern and generating an edge detection signal Nov. 26, 2013
8594517 Color image forming apparatus having function of obtaining color information of patch Nov. 26, 2013
8593685 Image processing apparatus and color deviation adjustment control method Nov. 26, 2013
8582995 Image forming apparatus with image forming condition control feature based on difference in patch densities Nov. 12, 2013
8582994 Image forming system for improved image formation on both sides of a recording medium Nov. 12, 2013
8582993 Image forming apparatus that changes a permissible range of a correction value Nov. 12, 2013
8582992 Image forming apparatus and storing medium Nov. 12, 2013
8577266 Image forming apparatus comprising a detection member and tension applying member facing each other Nov. 5, 2013
8577230 Fixing device, fixing device control method, and image forming apparatus Nov. 5, 2013
8571428 Image forming apparatus and transfer device thereof Oct. 29, 2013
8571427 Image output device, image output method, and computer program product Oct. 29, 2013
8565628 Electrophotographic non-uniformity compensation using intentional periodic variation Oct. 22, 2013
8565627 Image forming apparatus and control method thereof Oct. 22, 2013
8564860 Image processor for correcting image data Oct. 22, 2013

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