ClassID:

177604

G03G15/0136 - CPC Classification

Classification description:

Apparatus for electrographic processes using a charge pattern for producing multicoloured copies; Details of unit for transferring a pattern to a second base transfer member separable from recording member or , mode switching

Recent Application in this class:
#1
20260140458
2026-05-21

IMAGE FORMING APPARATUS

#2
20260104654
2026-04-16

TRANSFER UNIT AND IMAGE FORMING APPARATUS INCLUDING THE SAME

#3
20250348034
2025-11-13

IMAGE FORMING APPARATUS THAT CORRECTS IMAGE FORMING POSITIONS

#4
20250298364
2025-09-25

IMAGE FORMING APPARATUS, CONTROL METHOD FOR THE SAME, AND STORAGE MEDIUM

#5
20250246077
2025-07-31

IMAGE FORMING DEVICE

#6
20250155837
2025-05-15

TRANSFER UNIT AND IMAGE FORMING APPARATUS THEREWITH

#7
20250148243
2025-05-08

IMAGE FORMING APPARATUS

#8
20250068121
2025-02-27

IMAGE FORMING APPARATUS

#9
20240385548
2024-11-21

Transfer unit and image forming apparatus therewith

#10
20240345524
2024-10-17

IMAGE FORMING APPARATUS THAT CORRECTS IMAGE FORMING POSITIONS

#11
20240337962
2024-10-10

IMAGE FORMING APPARATUS

#12
20240288798
2024-08-29

HOUSING POSITIONS FOR TONER TRANSFER

#13
20240160143
2024-05-16

IMAGE FORMING APPARATUS, IMAGE MISALIGNMENT CORRECTION METHOD, AND NON-TRANSITORY RECORDING MEDIUM

#14
20230421710
2023-12-28

Image forming apparatus for making particles less likely to be attached to support unit

#15
20230418185
2023-12-28

Image forming apparatus for printing image on nonbendable medium

#16
20230394263
2023-12-07

Image forming apparatus

#17
20230393495
2023-12-07

Transfer device and image forming apparatus

#18
20230375975
2023-11-23

Cam driver, transfer device, and image forming apparatus

#19
20230375969
2023-11-23

Image forming apparatus that corrects image forming positions

#20
20230375955
2023-11-23

Image forming apparatus

#21
20230324832
2023-10-12

Image forming apparatus having a pivotable belt unit

#22
20230294938
2023-09-21

Drive unit, sheet conveyor, and image forming apparatus

#23
20230113119
2023-04-13

Cleaning structure for intermediate transfer belt with storage space equipped with shutter

#24
20230090307
2023-03-23

Cam driver, transfer device, and image forming apparatus

#25
20230068278
2023-03-02

Transfer device and image forming apparatus for switching a transfer roller between pressed and separated states

#26
20230064405
2023-03-02

Image forming apparatus with adjustable speed transfer roller

#27
20230044638
2023-02-09

Transfer unit with a non-selected transfer roller retracted behind a guide and image forming apparatus therewith

#28
20210333728
2021-10-28

Image forming apparatus

#29
20210333727
2021-10-28

Nip adjustment

#30
20210240109
2021-08-05

Image forming apparatus having image canceling function

#31
20210063907
2021-03-04

Image forming apparatus

#32
20200333739
2020-10-22

Image forming apparatus fixing toner image onto sheet and control method

#33
20200310306
2020-10-01

Image forming apparatus, method, and storage medium

#34
20200292957
2020-09-17

Image forming apparatus having transfer section switching between a constant voltage control and constant current control

#35
20200117408
2020-04-16

Image forming apparatus and control method of image forming apparatus

#36
20200041929
2020-02-06

Image forming apparatus capable of performing gradation correction, method of controlling same, and storage medium

#37
20190286003
2019-09-19

Image forming apparatus and image forming method in which distances between image bearing members and transfer belt vary depending on mode

#38
20190235419
2019-08-01

Image forming apparatus having monochrome mode and color mode

#39
20190113878
2019-04-18

Image forming apparatus

#40
20190086833
2019-03-21

Image forming apparatus capable of performing gradation correction, method of controlling same, and storage medium

#41
20190064717
2019-02-28

Image forming apparatus

#42
20190041783
2019-02-07

Method of controlling target speed of rotating member used in image forming apparatus

#43
20190025726
2019-01-24

Image forming apparatus with moveable transfer members

#44
20180373177
2018-12-27

Image forming apparatus

#45
20180364603
2018-12-20

INTERMEDIATE TRANSFER MEMBER, METHOD FOR PRODUCING THE SAME, AND IMAGE FORMING APPARATUS

#46
20180352113
2018-12-06

Image forming apparatus with plural movable color forming units and print mode management based on correction process performance

#47
20180275578
2018-09-27

Image forming apparatus

#48
20180267437
2018-09-20

Belt device, intermediate transfer device, and image forming apparatus

#49
20180246437
2018-08-30

Image forming apparatus

#50
20180201457
2018-07-19

Image forming apparatus

#51
20180136603
2018-05-17

Image forming apparatus including a movable belt

#52
20180136591
2018-05-17

Image forming apparatus

#53
20180120765
2018-05-03

Image forming apparatus

#54
20180112762
2018-04-26

Cam device, fixing device, transfer device, and image forming apparatus

#55
20180024475
2018-01-25

Image forming apparatus operable in color and monochromatic modes

#56
20170364009
2017-12-21

Image forming apparatus for controlling switching from monochrome image forming mode to color image forming mode

#57
20170351208
2017-12-07

Image forming apparatus capable of switching color mode

#58
20170351191
2017-12-07

Image forming device

#59
20170343944
2017-11-30

Image forming apparatus

#60
20170285535
2017-10-05

Image forming apparatus and image forming method

#61
20170131662
2017-05-11

Driving force transmission apparatus and image forming apparatus

#62
20170090344
2017-03-30

Image forming apparatus and image forming method with developing voltage correction processing

#63
20170082962
2017-03-23

Image forming apparatus

#64
20170082954
2017-03-23

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

#65
20160378026
2016-12-29

Image forming apparatus

#66
20160378025
2016-12-29

Image forming apparatus

#67
20160349672
2016-12-01

Image forming apparatus including holding member movable between a plurality of positions to make intermediate transfer belt come into contact with and separate from photosensitive body

#68
20160291516
2016-10-06

Image forming apparatus operable in plural speeds and having selective control of separation between image bearing member and belt

#69
20160266523
2016-09-15

Image forming apparatus controlling contact pressure between image bearing member and transfer device

#70
20160259291
2016-09-08

Image forming apparatus

#71
20160246217
2016-08-25

Image forming apparatus

#72
20160216649
2016-07-28

Transfer device and image forming apparatus

#73
20160139552
2016-05-19

Image forming apparatus, control method of contacting/separating state of component

#74
20160139544
2016-05-19

Image forming apparatus

#75
20160139531
2016-05-19

Image forming apparatus

#76
20160132015
2016-05-12

Image forming apparatus

#77
20160103404
2016-04-14

Transfer unit and image forming apparatus including same

#78
20160085193
2016-03-24

Image forming apparatus

#79
20150363677
2015-12-17

Image forming apparatus controlling timing of switching between image formation modes

#80
20150346650
2015-12-03

Transfer device and image forming apparatus including same

#81
20150346649
2015-12-03

Image forming apparatus, image forming method

#82
20150309450
2015-10-29

Image forming apparatus

#83
20150309447
2015-10-29

Image forming apparatus having simple and compact configuration to separate secondary transfer member from primary transfer belt

#84
20150147100
2015-05-28

Transfer device of image forming device including monochromatic and full color transfer modes

#85
20150125181
2015-05-07

Image forming apparatus

#86
20150117916
2015-04-30

Transfer device and image forming apparatus having the same

#87
20150063879
2015-03-05

Image forming apparatus

#88
20150055992
2015-02-26

Image forming apparatus

#89
20150055980
2015-02-26

Image forming apparatus with initialization mechanism

#90
20150037063
2015-02-05

Transfer unit and image forming apparatus

#91
20150018169
2015-01-15

Contact and separating device and image forming apparatus

#92
20140376937
2014-12-25

Image forming apparatus

#93
20140369706
2014-12-18

Image forming apparatus

#94
20140328608
2014-11-06

Transfer device

#95
20140314431
2014-10-23

Image forming apparatus

#96
20140294408
2014-10-02

Image forming apparatus including intermediate transfer body with adjustable tension

#97
20140169840
2014-06-19

Image forming apparatus

#98
20140169804
2014-06-19

Image forming apparatus having image carrier and belt member

#99
20140153945
2014-06-05

Image forming apparatus

#100
20140147178
2014-05-29

Belt conveying apparatus and image forming apparatus

#101
20140147147
2014-05-29

Transfer device and image forming apparatus including the same

#102
20140140741
2014-05-22

Image forming apparatus

#103
20140126938
2014-05-08

Hybrid Architecture for an Electrophotographic Imaging Device

#104
20140119760
2014-05-01

Image forming apparatus and control method thereof

#105
20140112690
2014-04-24

Transfer device and image forming apparatus for increasing relative positional accuracy between a transfer member and a wound member

#106
20140105655
2014-04-17

Belt unit, transfer unit including the belt unit, and image forming apparatus including the transfer unit

#107
20140093274
2014-04-03

Image formation apparatus

#108
20140064748
2014-03-06

Image forming apparatus capable of reducing recovery printing time

#109
20140016970
2014-01-16

Image forming apparatus

#110
20130243444
2013-09-19

Image forming apparatus having transfer belt contact and separating mechanism interfering with removable unit

#111
20130209117
2013-08-15

Image forming apparatus with selective utilization of AC voltage source

#112
20130136498
2013-05-30

Transfer device and image forming apparatus having the same

#113
20130114966
2013-05-09

Image forming apparatus and image forming method including an alarm that, under a predetermined condition, indicates that a front side and a back side of the recording paper are inverted

#114
20130108339
2013-05-02

Image forming apparatus having decolorizing function and sheet conveying method in the image forming apparatus

#115
20130061698
2013-03-14

Transfer device having a plurality of primary transfer rollers

#116
20130022380
2013-01-24

Transfer device

#117
20120321328
2012-12-20

Image forming apparatus capable of preventing belt from meandering

#118
20120275804
2012-11-01

Image forming apparatus having duel color image forming control modes

#119
20120251196
2012-10-04

IMAGE FORMING APPARATUS

#120
20120251193
2012-10-04

Transfer device and image forming apparatus including regulation member

#121
20120251184
2012-10-04

Image forming apparatus

#122
20120163871
2012-06-28

Image forming apparatus including a controller configured to switch a state of developing roller between a stopped state and a rotating state

#123
20120099881
2012-04-26

Image forming apparatus that includes a transfer member that can be separated from an inner circumferential surface of a transfer belt when belt is rotating

#124
20120070171
2012-03-22

Image forming apparatus for suppressing reverse transfer of images

#125
20120057908
2012-03-08

Transfer unit including a belt unit with a moving assembly, and image forming apparatus thereof

#126
20120014715
2012-01-19

Image forming apparatus, method of allowing driven member to be mounted on apparatus body in image forming apparatus and method of allowing drive force to be transmitted to belt unit in image forming apparatus

#127
20120008991
2012-01-12

Transfer device and image forming apparatus incorporating transfer device

#128
20120003006
2012-01-05

Image forming apparatus

#129
20110293303
2011-12-01

Image forming apparatus

#130
20110286773
2011-11-24

Image forming apparatus with a movable primary transfer roller

#131
20110249992
2011-10-13

Image forming apparatus having a special color image mode

#132
20110249986
2011-10-13

Transfer device and image forming apparatus

#133
20110206399
2011-08-25

Detector and roller arrangement for an image forming apparatus

#134
20110164902
2011-07-07

Image forming device

#135
20110123211
2011-05-26

Sheet feeding apparatus and image forming apparatus with stabilization control

#136
20110097112
2011-04-28

Image forming apparatus and printing method usable with the same

#137
20110085829
2011-04-14

Image forming apparatus, transfer unit thereof, and method of shifting transfer rollers thereof

#138
20110064487
2011-03-17

Transfer device and image forming apparatus using same

#139
20110058859
2011-03-10

Transfer device and image forming apparatus including same

#140
20110013949
2011-01-20

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

#141
20110013919
2011-01-20

Image forming apparatus and control device for image forming apparatus for detecting and cancelling image expansion and contraction pattern

#142
20110008078
2011-01-13

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

#143
20100303512
2010-12-02

Image forming apparatus, image forming method, and program

#144
20100296139
2010-11-25

Image forming apparatus and image forming method

#145
20100284712
2010-11-11

Image forming apparatus, transfer unit thereof, and method of shifting transfer rollers thereof

#146
20100284708
2010-11-11

Intermediate transfer unit, transfer device and image forming apparatus

#147
20100272478
2010-10-28

Image forming apparatus

#148
20100247170
2010-09-30

Offset correcting device, intermediate transferring device, transferring device, and image forming apparatus

#149
20100247144
2010-09-30

Intermediate transfer device, transfer device and image forming apparatus for wrinkle suppression

#150
20100239294
2010-09-23

Color-image forming apparatus, image forming method, and computer program product

#151
20100226665
2010-09-09

Image forming apparatus and method for print control

#152
20100209139
2010-08-19

Electrophotographic image forming apparatus

#153
20100196028
2010-08-05

Image forming apparatus

#154
20100129104
2010-05-27

Image forming apparatus with a plurality of primary transfer sections

#155
20100080597
2010-04-01

Image forming apparatus taht includes a transfer member that can be separated from an inner circumferential surface of a transfer belt when belt is rotating

#156
20100028028
2010-02-04

Image forming apparatus

#157
20100014893
2010-01-21

Multi-mode long life monochrome printing system

#158
20100008689
2010-01-14

Image forming device including color photoconductor drums, photoconductor drum drive controlling method for controlling color photoconductor drums, and computer-readable recording medium

#159
20090317101
2009-12-24

Image forming apparatus

#160
20090263150
2009-10-22

Image forming apparatus and image quality correction method used therein

#161
20090252534
2009-10-08

Color image forming apparatus

#162
20090252517
2009-10-08

Transfer device including detecting mechanism for detecting replacement belt unit and image forming apparatus using the same

#163
20090245869
2009-10-01

Image forming apparatus, method of allowing driven member to be mounted on apparatus body in image forming apparatus and method of allowing drive force to be transmitted to belt unit in image forming apparatus

#164
20090169252
2009-07-02

Image forming apparatus having an intermediate transfer belt disposed above a plurality of photoconductors

#165
20090162113
2009-06-25

Architecture for a multi toner printing system

#166
20090123199
2009-05-14

Image forming apparatus capable of preventing scattering of toner

#167
20090067881
2009-03-12

Image forming apparatus, transfer unit thereof, and method of shifting transfer rollers thereof

#168
20090035031
2009-02-05

Belt transporting apparatus, image forming apparatus and belt member transporting method with obilqueness mitigation

#169
20090035029
2009-02-05

Image forming apparatus and image density adjusting method

#170
20080317518
2008-12-25

Image forming apparatus having a retracting and a moving mechanisms and image forming method thereof

#171
20080317492
2008-12-25

Color image forming apparatus, and program and method of controlling a color image forming apparatus

#172
20080247792
2008-10-09

IMAGE FORMING APPARATUS

#173
20080240800
2008-10-02

IMAGE FORMING APPARATUS WITH SELECTIVELY MOVABLE TRANSFER ROLLERS

#174
20080226358
2008-09-18

Image forming apparatus with a phase of a first load torque substantially opposite to a phase of a second load torque

#175
20080226328
2008-09-18

Image forming apparatus and method for discriminating whether a document is in full color or monochromatic color

#176
20080112734
2008-05-15

Belt detaching device and image forming apparatus including belt detaching device

#177
20080095556
2008-04-24

Image forming apparatus with multiple image forming modes

#178
20080003022
2008-01-03

Transfer device and image forming apparatus

#179
20070286650
2007-12-13

Color image forming apparatus and image forming method

#180
20070196143
2007-08-23

Image forming apparatus

#181
20070196141
2007-08-23

Image forming apparatus including grooved cam and link mechanism engaging with grooves of the grooved cam

#182
20070166080
2007-07-19

Image forming apparatus and control method for driving the same

#183
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

#184
20070127955
2007-06-07

Image forming apparatus capable of providing a stable belt movement in a belt unit

#185
20070116497
2007-05-24

Color printing apparatus having a transfer belt attaching/detaching mechanism

#186
20070071486
2007-03-29

Image forming apparatus and method for separating contaminant from blade for cleaning transfer belt surface

#187
20070059054
2007-03-15

Image forming apparatus with selectively movable transfer rollers

#188
20070013762
2007-01-18

Writing controlling device and a color image forming apparatus

#189
20060257178
2006-11-16

Method for positioning transfer members within an image forming apparatus

#190
20060251444
2006-11-09

Image forming apparatus having a cleaning mechanism

#191
20060188299
2006-08-24

Image forming apparatus

#192
20060133843
2006-06-22

Color image forming apparatus, and program and method of controlling a color image forming apparatus

#193
20060127140
2006-06-15

Image forming apparatus

#194
20060127139
2006-06-15

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

#195
20060062608
2006-03-23

Color image forming apparatus and image forming method

#196
20060045579
2006-03-02

Image forming apparatus having a multi-layered intermediate transfer belt

#197
20060045561
2006-03-02

Image forming apparatus having a cleaning mechanism

#198
20050169677
2005-08-04

Image formation method and image formation apparatus for same

#199
20050158085
2005-07-21

Transfer device with coaxial rotating cams

#200
20050069334
2005-03-31

Image forming apparatus

#201
19054417
2025-11-11

Method of assembling a belt conveyance apparatus

#202
17121886
2021-06-22

Image forming apparatus

#203
15698736
2019-01-08

Transfer belt unit and image forming apparatus