ClassID:

177612

G03G15/0178 - CPC Classification

Classification description:

Apparatus for electrographic processes using a charge pattern for producing multicoloured copies; Structure of complete machines using more than one reusable electrographic recording member, e.g. one for every monocolour image

Sub-classes:
Recent Application in this class:
#1
20260140473
2026-05-21

IMAGE FORMING APPARATUS

#2
20260126735
2026-05-07

IMAGE FORMING APPARATUS

#3
20260064042
2026-03-05

IMAGE FORMING APPARATUS

#4
20250348034
2025-11-13

IMAGE FORMING APPARATUS THAT CORRECTS IMAGE FORMING POSITIONS

#5
20250291267
2025-09-18

ELECTROPHOTOGRAPHIC DEVELOPER, ELECTROPHOTOGRAPHIC IMAGE FORMING METHOD, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

#6
20250251694
2025-08-07

PRINTER AND INTEGRATED LIGHT SOURCE MODULE THEREOF

#7
20250085658
2025-03-13

METHOD AND SYSTEM FOR CONVERTING A TONER CARTRIDGE PRINTER

#8
20250004397
2025-01-02

IMAGE FORMING APPARATUS

#9
20240345537
2024-10-17

IMAGE FORMING APPARATUS INCLUDING COUPLING MEMBER SELECTIVELY COUPLED TO PHOTOSENSITIVE DRUM

#10
20240345524
2024-10-17

IMAGE FORMING APPARATUS THAT CORRECTS IMAGE FORMING POSITIONS

#11
20240337981
2024-10-10

Image forming apparatus that includes an eraser drive circuit

#12
20240310772
2024-09-19

IMAGE FORMING APPARATUS

#13
20240066890
2024-02-29

IMAGE FORMING APPARATUS

#14
20240027954
2024-01-25

METHOD AND SYSTEM FOR CONVERTING A TONER CARTRIDGE PRINTER

#15
20230375969
2023-11-23

Image forming apparatus that corrects image forming positions

#16
20230078948
2023-03-16

Image forming apparatus with image bearing members having different surface layer thicknesses

#17
20230072359
2023-03-09

Image forming apparatus

#18
20230068807
2023-03-02

Image forming apparatus with a reduced dimension in a horizontal direction

#19
20230066747
2023-03-02

Image forming apparatus with geometric configuration that reduces misregistration of images

#20
20220283539
2022-09-08

Image forming apparatus including coupling member selectively coupled to photosensitive drum

#21
20220269207
2022-08-25

Image forming apparatus

#22
20220221815
2022-07-14

Image forming apparatus

#23
20220197179
2022-06-23

Image forming apparatus

#24
20220179357
2022-06-09

Method and system for converting a toner cartridge printer

#25
20220137545
2022-05-05

Image forming apparatus having cover with link to support exposure heads

#26
20220128921
2022-04-28

Image forming method, image forming apparatus, and storage medium for concentration correction

#27
20210302857
2021-09-30

Image forming apparatus which switches from color to monochrome mode with charging and developing bias reduction

#28
20210294254
2021-09-23

Printing apparatus using image forming units accommodating the same color

#29
20210286292
2021-09-16

Method and system for converting a toner cartridge printer

#30
20210191291
2021-06-24

Method and system for converting a toner cartridge printer

#31
20210116835
2021-04-22

Image forming apparatus including multiple photosensitive drums and multiple developing rollers

#32
20210055676
2021-02-25

Status of a temperature sensor of a printing device

#33
20210048778
2021-02-18

Image forming apparatus including coupling member selectively coupled to photosensitive drum

#34
20210026284
2021-01-28

Image forming apparatus detecting fog density

#35
20210011392
2021-01-14

Toner container, image forming unit, and image forming apparatus

#36
20200241460
2020-07-30

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

#37
20200166860
2020-05-28

Toner container, image forming unit, and image forming apparatus

#38
20200081395
2020-03-12

Image forming apparatus including coupling member selectively coupled to photosensitive drum

#39
20200073271
2020-03-05

Image forming apparatus and image forming method using overlapping toner images

#40
20190258201
2019-08-22

METHOD FOR CONVERTING A TONER CARTRIDGE PRINTER TO A SECURITY TONER PRINTER

#41
20190196353
2019-06-27

Electrophotographic image forming apparatus

#42
20190196352
2019-06-27

Electrophotographic image forming device

#43
20190049882
2019-02-14

Image forming apparatus and consumed power reduction method

#44
20190011876
2019-01-10

Image forming apparatus including coupling member selectively coupled to photosensitive drum

#45
20190011868
2019-01-10

Image forming apparatus having controller for switching thresholds for deciding amount of color misregistration

#46
20180348701
2018-12-06

Image forming apparatus performing image formation with detachable cartridge and cartridge detachable from image forming apparatus

#47
20180259896
2018-09-13

Driving device and image forming apparatus

#48
20180173144
2018-06-21

Optical sensor and image forming apparatus

#49
20180052421
2018-02-22

Method for converting a toner cartridge printer to a sublimation toner printer

#50
20180046108
2018-02-15

Toner cartridge printer devices, systems, and methods for under printing

#51
20180024470
2018-01-25

Method and system for converting a toner cartridge printer to a metallic or light toner printer

#52
20170371262
2017-12-28

Image forming apparatus capable of setting a parameter used in forming an image based on a detected change in a value of tint

#53
20170285535
2017-10-05

Image forming apparatus and image forming method

#54
20170255157
2017-09-07

Image forming apparatus having waste toner container commonly used for photosensitive drums and transfer belt

#55
20170131670
2017-05-11

Optical sensor and image forming apparatus

#56
20170082954
2017-03-23

Image forming apparatus with belt trajectory changing member and image forming method

#57
20170060036
2017-03-02

Image forming apparatus

#58
20170023886
2017-01-26

Method and system for converting a toner cartridge printer to a double white toner printer

#59
20170023885
2017-01-26

Method and system for converting a toner cartridge printer to a white, clear, metallic, fluorescent, or light toner printer

#60
20170023884
2017-01-26

Method and system for converting a toner cartridge printer to a metallic, clear fluorescent, or light toner printer

#61
20170017186
2017-01-19

Image forming apparatus

#62
20170010581
2017-01-12

Image forming apparatus including coupling member selectively coupled to photosensitive drum

#63
20160349690
2016-12-01

Driving device and image forming apparatus

#64
20160259291
2016-09-08

Image forming apparatus

#65
20160252875
2016-09-01

Image forming apparatus and cartridge group

#66
20160238982
2016-08-18

Drive system and image forming apparatus including same

#67
20160187811
2016-06-30

Print sheet creating apparatus and print sheet creating method

#68
20160139529
2016-05-19

Image forming apparatus capable of performing color correction, method for controlling the apparatus, and storage medium

#69
20160132017
2016-05-12

Image forming apparatus having waste toner container commonly used for photosensitive drums and transfer belt

#70
20160116858
2016-04-28

Image forming apparatus and optical scanning apparatus

#71
20160109847
2016-04-21

Image forming apparatus provided with cartridge for accommodating waste toner therein

#72
20160109838
2016-04-21

Method for printing colored and white toner using a look-up table

#73
20160091850
2016-03-31

Image formation device using long medium and capable of correcting misregistation

#74
20160077483
2016-03-17

Image forming apparatus including coupling member selectively coupled to photosensitive drum

#75
20160070229
2016-03-10

Image forming apparatus and image forming unit

#76
20160048095
2016-02-18

Image forming apparatus having imaging units using toner with different particle sizes

#77
20150370215
2015-12-24

Driving device and image forming apparatus

#78
20150261178
2015-09-17

Image forming apparatus and process cartridge

#79
20150242714
2015-08-27

Image forming apparatus that forms color image by superimposing plurality of images

#80
20150241816
2015-08-27

Image forming apparatus

#81
20150227107
2015-08-13

Image forming apparatus

#82
20150227076
2015-08-13

Image forming apparatus using flat toner to obtain a gloss

#83
20150220018
2015-08-06

Image forming apparatus and method

#84
20150192887
2015-07-09

Image forming apparatus

#85
20150177672
2015-06-25

Image forming apparatus and method of controlling motor

#86
20150147090
2015-05-28

Image forming apparatus having waste toner container commonly used for photosensitive drums and transfer belt

#87
20150147089
2015-05-28

Image forming apparatus provided with cartridge for accommodating waste toner therein

#88
20150093152
2015-04-02

Image forming apparatus having a moving mechanism to move a developing roller to a retracted position and a transmission mechanism to cut off transmission to the developing roller

#89
20150090826
2015-04-02

Image forming apparatus

#90
20150060191
2015-03-05

Drive system and image forming apparatus including same

#91
20150055975
2015-02-26

Image forming apparatus with cartridge supporting movable member

#92
20150037057
2015-02-05

Toner-density calculating method, reflective optical sensor, reflective optical sensor device, and image forming apparatus

#93
20140376959
2014-12-25

Image forming apparatus having mechanism for restricting movement of cover

#94
20140376956
2014-12-25

Image forming apparatus with frame having hollowly-formed connecting frames

#95
20140376943
2014-12-25

Image forming apparatus

#96
20140356025
2014-12-04

Image forming apparatus and image forming unit

#97
20140321889
2014-10-30

Image formation apparatus and method of controlling image formation apparatus that utilizes misregistration amount detection patterns

#98
20140294445
2014-10-02

Driving force transmission device that provides a delay between separation of a first driving member and separation of a second driving member, and image forming apparatus including the same

#99
20140233982
2014-08-21

Image forming apparatus

#100
20140178085
2014-06-26

Image forming apparatus

#101
20140112693
2014-04-24

Image forming apparatus

#102
20140105654
2014-04-17

Image forming apparatus including black photosensitive drum replaceable independently from color photosensitive drums

#103
20140105631
2014-04-17

Image forming apparatus including coupling member selectively coupled to photosensitive drum

#104
20140086614
2014-03-27

Image forming apparatus with metal and resin frame components

#105
20140079444
2014-03-20

Image forming apparatus

#106
20140072337
2014-03-13

Image forming apparatus and image forming unit

#107
20140072319
2014-03-13

Image formation apparatus

#108
20140064800
2014-03-06

Image forming apparatus

#109
20140010574
2014-01-09

Photosensitive-member unit and image forming apparatus

#110
20130336668
2013-12-19

Image forming apparatus having stretching roller correction

#111
20130243470
2013-09-19

Color electrophotographic image forming apparatus having movable main body electrical contacts

#112
20130215164
2013-08-22

IMAGE-FORMING DEVICE AND IMAGE-FORMING METHOD

#113
20130164004
2013-06-27

IMAGE FORMING APPARATUS

#114
20130078010
2013-03-28

Image forming apparatus

#115
20130064564
2013-03-14

Registration mark and image forming apparatus

#116
20120268750
2012-10-25

Toner-density calculating method, reflective optical sensor, reflective optical sensor device, and image forming apparatus

#117
20120262745
2012-10-18

PRINTING SYSTEM INCLUDING A PLURALITY OF IMAGE FORMING APPARATUSES CONNECTED WITH EACH OTHER, AND METHOD FOR CONTROLLING THE SAME

#118
20120251131
2012-10-04

Compensating for periodic nonuniformity in electrophotographic printer

#119
20120230731
2012-09-13

Image forming apparatus with synchronized gear transmission mechanism

#120
20120206737
2012-08-16

Image forming apparatus and image forming method for correcting registration deviation

#121
20120201571
2012-08-09

Synchronized drive unit and image forming apparatus having the synchronized drive unit

#122
20120194630
2012-08-02

Image forming apparatus and image forming method

#123
20120183321
2012-07-19

Image forming apparatus having supporting member configured to hold developing sections

#124
20120141149
2012-06-07

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND STORAGE MEDIUM

#125
20120051761
2012-03-01

Image-forming device configured to identify a charger at which an abnormal discharge is occurring

#126
20120008983
2012-01-12

Photosensitive-member unit and image forming apparatus

#127
20110318028
2011-12-29

Image forming apparatus including control unit that executes energy control by controlling biases

#128
20110293325
2011-12-01

Drum unit, development cartridge detachably attachable to the drum unit, and image forming apparatus having the drum unit and the development cartridge

#129
20110286018
2011-11-24

IMAGE FORMING APPARATUS, CONTROL METHOD THEREOF, AND STORAGE MEDIUM

#130
20110268475
2011-11-03

Image forming apparatus

#131
20110268462
2011-11-03

Image forming apparatus and density adjusting method

#132
20110255138
2011-10-20

System and method for detecting color-to-color misregistration

#133
20110236054
2011-09-29

Image forming apparatus

#134
20110229219
2011-09-22

IMAGE FORMING APPARATUS

#135
20110216352
2011-09-08

Image formation control apparatus, image formation apparatus, image formation system, computer readable medium, and tandem printing system

#136
20110211854
2011-09-01

Image forming apparatus and image forming method used in the apparatus

#137
20110182613
2011-07-28

Image forming device having retaining member that can be pulled out therefrom

#138
20110170123
2011-07-14

Printing apparatus and printing method for forming image using a first print material and a second print material

#139
20110158663
2011-06-30

PRINTING APPARATUS, PRINTING METHOD, PRINTING SYSTEM, AND PROGRAM FOR IMPLEMENTING THE PRINTING METHOD

#140
20110116833
2011-05-19

Color electrophotographic image forming apparatus with cartridge supporting member and moving members supporting electric contacts

#141
20110097095
2011-04-28

Image forming apparatus featuring changeable writing starting position

#142
20110026950
2011-02-03

Dynamic image positioning and spacing in a digital printing system

#143
20110013949
2011-01-20

Image forming apparatus, image forming method, and computer program product

#144
20110013921
2011-01-20

Image forming apparatus, image forming method and image forming program

#145
20110008071
2011-01-13

Full color image forming method using two cyan toners

#146
20100322679
2010-12-23

Image forming apparatus, and method and computer program product for image forming

#147
20100310281
2010-12-09

Image forming apparatus including first and second image forming devices and first and second belt units

#148
20100302569
2010-12-02

Image forming apparatus, image forming method, and computer program product including a secondary-transfer control unit that transfers a single-color image onto the intermediate transfer medium

#149
20100271649
2010-10-28

Digital image printing a job including monochromatic and color images

#150
20100266302
2010-10-21

Toner-density calculating method, reflective optical sensor, and image forming apparatus

#151
20100260518
2010-10-14

Photosensitive-member unit and image forming apparatus

#152
20100239329
2010-09-23

IMAGE FORMING APPARATUS

#153
20100209139
2010-08-19

Electrophotographic image forming apparatus

#154
20100196063
2010-08-05

Image forming apparatus

#155
20100111562
2010-05-06

Image forming apparatus

#156
20100092198
2010-04-15

Image forming apparatus

#157
20100061752
2010-03-11

Image forming apparatus utilizing both a transfer belt and a direct transfer member

#158
20100007899
2010-01-14

METHOD TO PRINT A RECORDING MEDIUM WITH COLOR DATA AND MICR DATA

#159
20090238590
2009-09-24

Toner-density calculating method, reflective optical sensor, reflective optical sensor device, and image forming apparatus

#160
20090220259
2009-09-03

Image forming apparatus, image forming method and image forming program

#161
20090202271
2009-08-13

Photosensitive-member unit and image forming apparatus

#162
20090190955
2009-07-30

Image forming apparatus and image forming unit

#163
20090180813
2009-07-16

Developer supplier, image forming apparatus, developer supplying method and image forming method

#164
20080317505
2008-12-25

Single-pass bypass printing method and apparatus

#165
20080271556
2008-11-06

ROTATION DRIVE UNIT AND IMAGE FORMING APPARATUS USING SAME

#166
20080112007
2008-05-15

Image forming apparatus with vibration detection and control

#167
20080056741
2008-03-06

Image forming device and deviation correcting method

#168
20070286650
2007-12-13

Color image forming apparatus and image forming method

#169
20070237557
2007-10-11

Image forming apparatus

#170
20070206978
2007-09-06

Image forming apparatus, image forming method and image forming program

#171
20070160384
2007-07-12

Electrophotographic image forming apparatus with image bearing member contacting and being spaced from transfer member transferring a toner image from the member thereonto

#172
20070147885
2007-06-28

Photosensitive-member unit and image forming apparatus

#173
20070031167
2007-02-08

Multicolor image forming apparatus

#174
20060188295
2006-08-24

System and method for creating a three-dimensional texture in an electrophotographic image

#175
20060177247
2006-08-10

Image forming apparatus and method

#176
20060088339
2006-04-27

Tandem color image forming apparatus including a monochrome photoconductive member

#177
20060067734
2006-03-30

Image forming apparatus and image forming unit

#178
20060062608
2006-03-23

Color image forming apparatus and image forming method

#179
20060033771
2006-02-16

Parallel printing architecture with containerized image marking engines

#180
20050053389
2005-03-10

Image forming apparatus for transferring respective toner colors on a transfer medium