Patents-Review.com
ClassID:

177960 ⎘

G03G21/1839 - CPC Classification

Classification description:

Arrangements not provided for by groups  - , e.g. cleaning, elimination of residual charge; Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit Means for handling the process cartridge in the apparatus body

Sub-classes:
Recent Application in this class:
#1
20260086468
2026-03-26

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #2
20260064021
2026-03-05

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #3
20250244713
2025-07-31

CARTRIDGE WITH A GRIPPING PORTION

 #4
20250231505
2025-07-17

SHEET-SHAPED SEALING MEMBER, REMOVABLE UNIT, AND IMAGE FORMING APPARATUS

 #5
20250164924
2025-05-22

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

 #6
20250130516
2025-04-24

Component Movement Mechanism for an Image Forming Apparatus

 #7
20250102946
2025-03-27

ELECTROPHOTOGRAPHIC MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

 #8
20250102935
2025-03-27

ELECTROPHOTOGRAPHIC PHOTORECEPTOR FOR CONTACT CHARGING WITH DC VOLTAGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #9
20250102932
2025-03-27

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #10
20250036043
2025-01-30

DEVELOPING CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE POSITIONED AWAY FROM DEVELOPING ROLLER

 #11
20250013193
2025-01-09

IMAGE FORMING DEVICE

 #12
20240427282
2024-12-26

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

 #13
20240319661
2024-09-26

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #14
20240210874
2024-06-27

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

 #15
20240192634
2024-06-13

Developing device

 #16
20240118635
2024-04-11

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

 #17
20240118634
2024-04-11

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

 #18
20240085845
2024-03-14

RESTRICTING MEMBER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #19
20240077832
2024-03-07

Process cartridge and image forming apparatus

 #20
20240069464
2024-02-29

Component movement mechanism for an image forming apparatus

 #21
20240027955
2024-01-25

IMAGE-FORMING APPARATUS INCLUDING PROCESS CARTRIDGE AND DEVICE-SIDE TERMINAL CONFIGURED TO CONTACT PROCESS-SIDE TERMINAL

 #22
20230359137
2023-11-09

Developing cartridge including electrical contact surface positioned away from developing roller

 #23
20230266706
2023-08-24

IMAGE FORMING APPARATUS

 #24
20230229109
2023-07-20

Image forming device

 #25
20230110629
2023-04-13

Process cartridge and image forming apparatus

 #26
20230095168
2023-03-30

Process cartridge and image forming apparatus

 #27
20230068696
2023-03-02

Image forming apparatus determining whether cartridge is usable based on two sets of consumption state information

 #28
20230015778
2023-01-19

Image forming apparatus that controls regulation unit

 #29
20220413425
2022-12-29

Restricting member, developing device, process cartridge, and image forming apparatus

 #30
20220373965
2022-11-24

Image forming device

 #31
20220317619
2022-10-06

Image forming apparatus

 #32
20220269217
2022-08-25

Image forming apparatus

 #33
20220221811
2022-07-14

Image forming apparatus to which solvent cartridge that can accommodate therein solvent is detachably attachable independently of developing cartridge

 #34
20220146976
2022-05-12

Printer

 #35
20220137534
2022-05-05

Image forming apparatus for regulating removal of developer storage portion, regulation method

 #36
20220082959
2022-03-17

Component movement mechanism for an image forming apparatus

 #37
20220057745
2022-02-24

Image forming device

 #38
20220035308
2022-02-03

Process cartridge and image forming apparatus

 #39
20210373489
2021-12-02

Image forming apparatus

 #40
20210333750
2021-10-28

Process cartridge and image forming apparatus

 #41
20210333749
2021-10-28

Process cartridge with movable force receiving portion configured to separate developing roller and photosensitive drum

 #42
20210302910
2021-09-30

Image forming apparatus determining whether cartridge is usable based on two sets of consumption state information

 #43
20210240132
2021-08-05

Image forming apparatus that controls regulation unit to prevent or allow detachment of a cartridge mounted to the image forming apparatus

 #44
20210223735
2021-07-22

Image forming apparatus

 #45
20210181671
2021-06-17

Process cartridge and image forming apparatus

 #46
20210173339
2021-06-10

Cartridge and remanufacturing method of cartridge

 #47
20210063958
2021-03-04

Image forming device

 #48
20200401078
2020-12-24

Process cartridge and image forming apparatus

 #49
20200356046
2020-11-12

Process cartridge and image forming apparatus

 #50
20200319588
2020-10-08

Image forming apparatus

 #51
20200301345
2020-09-24

Image forming apparatus

 #52
20200285191
2020-09-10

Cartridge and remanufacturing method of cartridge

 #53
20200257244
2020-08-13

Image forming apparatus

 #54
20200233374
2020-07-23

Process cartridge and image forming apparatus

 #55
20200233368
2020-07-23

Image forming apparatus including movable process unit that supports photosensitive drum

 #56
20200150582
2020-05-14

Cartridge and image forming apparatus

 #57
20200133198
2020-04-30

Image forming apparatus

 #58
20200133197
2020-04-30

Image forming apparatus that controls regulation unit to switch regulating state of a detachable replacement

 #59
20200096936
2020-03-26

Image forming apparatus

 #60
20200089159
2020-03-19

Image forming apparatus

 #61
20200081370
2020-03-12

Component movement mechanism for an image forming apparatus

 #62
20200033790
2020-01-30

Image forming apparatus

 #63
20200019114
2020-01-16

Process cartridge and image forming apparatus

 #64
20190391527
2019-12-26

Process cartridge and image forming apparatus including the same

 #65
20190339643
2019-11-07

Process cartridge and image forming apparatus

 #66
20190302686
2019-10-03

Image forming apparatus capable of regulating detachment of developer storage portion, method for releasing detachment regulation of developer storage portion

 #67
20190227481
2019-07-25

Process cartridge and image forming apparatus

 #68
20190049895
2019-02-14

Process cartridge and image forming apparatus

 #69
20180348701
2018-12-06

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

 #70
20180259899
2018-09-13

Process cartridge and image forming apparatus

 #71
20180253058
2018-09-06

Image forming apparatus and cartridge used for the same

 #72
20180246465
2018-08-30

Process cartridge and image forming apparatus

 #73
20180246438
2018-08-30

Component movement mechanism for an image forming apparatus

 #74
20180039227
2018-02-08

Process cartridge and image forming apparatus

 #75
20170370408
2017-12-28

Sliding bearing, driving device, and image forming apparatus

 #76
20170357209
2017-12-14

Process cartridge and electrophotographic image forming apparatus for forming a high-quality electrophotographic image

 #77
20170285569
2017-10-05

Image forming apparatus

 #78
20170255160
2017-09-07

Image forming apparatus and cartridge used for the same

 #79
20170184995
2017-06-29

Image forming device having feed tray and retaining unit retaining photosensitive drums

 #80
20170108796
2017-04-20

Component movement mechanism for an image forming apparatus

 #81
20170075299
2017-03-16

Process cartridge and image forming apparatus

 #82
20170075296
2017-03-16

Image forming apparatus and installation or removal of housing including photoreceptors

 #83
20170075287
2017-03-16

End member which allows transmission of rotary power

 #84
20170031311
2017-02-02

Process unit having a seal member that seals a space between a flange and a portion supporting a flange

 #85
20160378056
2016-12-29

Process cartridge and image forming apparatus

 #86
20160378039
2016-12-29

Developing device, and image forming apparatus and process cartridge incorporating same

 #87
20160231696
2016-08-11

Image forming apparatus having exposure unit and process cartridge

 #88
20160216683
2016-07-28

Image forming apparatus having drawer

 #89
20160154374
2016-06-02

Image forming apparatus

 #90
20160154373
2016-06-02

Image forming apparatus and process for supporting cartridge used for the same

 #91
20160124383
2016-05-05

Process cartridge for image forming apparatus and method of separating process cartridge from image forming apparatus

 #92
20160070197
2016-03-10

Image forming apparatus with developing device having ribs

 #93
20160054695
2016-02-25

Image forming device having feed tray and retaining unit retaining photosensitive drums

 #94
20160048105
2016-02-18

Process cartridge and image forming apparatus

 #95
20160041521
2016-02-11

Process cartridge and electrophotographic image forming apparatus

 #96
20160004213
2016-01-07

Cartridge configured of two units and image forming apparatus that accommodates the cartridge

 #97
20150378304
2015-12-31

Image forming device having developing units and holding unit holding the developing units

 #98
20150362891
2015-12-17

Process cartridge and image forming apparatus

 #99
20150277369
2015-10-01

Image forming apparatus having moving cover and detachable unit

 #100
20150212482
2015-07-30

Image forming apparatus with detachable replacement member

 #101
20150078780
2015-03-19

Process cartridge and image forming apparatus

 #102
20150023694
2015-01-22

Developing cartridge and process cartridge

 #103
20150023692
2015-01-22

Process cartridge

 #104
20140363204
2014-12-11

Image forming device having main body and holder holding developer cartridges

 #105
20140294437
2014-10-02

Image forming apparatus having supporting member with rigidity

 #106
20140241755
2014-08-28

Electrophotographic image forming apparatus having space regulated detachable cartridge

 #107
20140205316
2014-07-24

Electrophotographic image forming apparatus and development cartridge

 #108
20140199095
2014-07-17

Image forming apparatus provided with a developing unit storage portion and a developing unit mounting portion

 #109
20140193173
2014-07-10

Image forming device having feed tray and retaining unit retaining photosensitive drums

 #110
20140178098
2014-06-26

Process cartridge and image forming device having the process cartridge

 #111
20140178097
2014-06-26

Process cartridge and electrophotographic image forming apparatus

 #112
20140086630
2014-03-27

Process cartridge

 #113
20140086629
2014-03-27

Cartridge having a grip provided on a frame

 #114
20140086628
2014-03-27

Image forming apparatus, cartridge and image forming apparatus system

 #115
20140086626
2014-03-27

Image forming apparatus

 #116
20140086625
2014-03-27

Image forming apparatus having process cartridge detachably mounted therein

 #117
20140023395
2014-01-23

Process cartridge and image forming device

 #118
20140010574
2014-01-09

Photosensitive-member unit and image forming apparatus

 #119
20140010569
2014-01-09

Image forming apparatus including holder for holding photosensitive drums

 #120
20130315622
2013-11-28

Process cartridge and image forming apparatus

 #121
20130121725
2013-05-16

Image forming unit

 #122
20130022369
2013-01-24

Component movement mechanism for an image forming apparatus

 #123
20120328324
2012-12-27

Toner cartridge having structure for minimizing deformation when gripped

 #124
20120308273
2012-12-06

Image forming device having guide mechanism for guiding transferring unit

 #125
20120281999
2012-11-08

Process cartridge and image forming apparatus

 #126
20120237252
2012-09-20

Process cartridge and image forming apparatus

 #127
20120230726
2012-09-13

Process cartridge and image forming apparatus

 #128
20120207510
2012-08-16

Image forming device

 #129
20120195627
2012-08-02

Electrophotographic image forming apparatus having rotation-regulated process cartridge

 #130
20120189344
2012-07-26

Process cartridge and image forming apparatus

 #131
20120189343
2012-07-26

Process cartridge and image forming apparatus

 #132
20120128388
2012-05-24

Process cartridge and image forming apparatus

 #133
20120063810
2012-03-15

Process cartridge and image forming apparatus

 #134
20120039628
2012-02-16

Imaging cartridge having a displaceable body

 #135
20120027472
2012-02-02

Image forming device having guide mechanism guiding developing unit

 #136
20120008983
2012-01-12

Photosensitive-member unit and image forming apparatus

 #137
20110249984
2011-10-13

Image forming apparatus having a plurality of cartridges and a single writing unit

 #138
20110123224
2011-05-26

Process cartridge and image forming apparatus

 #139
20110110682
2011-05-12

Process cartridge having a member with a force receiving end movable to a position away from a cartridge housing

 #140
20100329733
2010-12-30

Image forming apparatus

 #141
20100260518
2010-10-14

Photosensitive-member unit and image forming apparatus

 #142
20100209140
2010-08-19

Image-forming device having tray that enables developing unit to move

 #143
20100080622
2010-04-01

Electrophotographic image forming apparatus

 #144
20100054798
2010-03-04

Process cartridges in image forming device

 #145
20100021203
2010-01-28

Component movement mechanism for an image forming apparatus

 #146
20090208248
2009-08-20

Image forming apparatus and attaching method of charger unit in image forming apparatus to install/remove main chargers

 #147
20090202271
2009-08-13

Photosensitive-member unit and image forming apparatus

 #148
20090180797
2009-07-16

Image forming apparatus and cartridge

 #149
20090169245
2009-07-02

Image forming apparatus

 #150
20090162095
2009-06-25

Process cartridge and image forming apparatus

 #151
20090074430
2009-03-19

Image forming apparatus and control method of that apparatus

 #152
20090060569
2009-03-05

Image forming apparatus having a plurality of photoconductive elements, a plurality of optical writing devices and a stay

 #153
20090052941
2009-02-26

Image forming apparatus with a removable holder for holding developing devices

 #154
20090028602
2009-01-29

Image-forming device with holding unit having multiple positions

 #155
20090003876
2009-01-01

Process cartridge and electrophotographic image forming apparatus

 #156
20080298837
2008-12-04

Developing device with detachable toner cartridge and image forming apparatus having the same

 #157
20080181659
2008-07-31

Developing cartridge and image forming apparatus including the same

 #158
20080138115
2008-06-12

Process cartridge having couplers transmitting driving forces from an image forming apparatus to electrophotographic photosensitive drum and developing roller and such an apparatus

 #159
20080008495
2008-01-10

Methods for imaging cartridge conversion

 #160
20080008494
2008-01-10

Methods for imaging cartridge conversion

 #161
20070264043
2007-11-15

Imaging Cartridge Having a Displaceable Body

 #162
20070160388
2007-07-12

Image forming apparatus detachably mounting a process cartridge having developing roller movable to contact and be spaced from a photosensitive drum

 #163
20070147885
2007-06-28

Photosensitive-member unit and image forming apparatus

 #164
20070140732
2007-06-21

Methods for printer cartridge modification

 #165
20070115340
2007-05-24

Image forming device with LED array head

 #166
20070092287
2007-04-26

Image forming apparatus and attaching method of charger unit in image forming apparatus

 #167
20070092280
2007-04-26

Image forming apparatus and method including canceling a power save mode

 #168
20070036583
2007-02-15

Image forming apparatus with image forming cartridges arranged one above another

 #169
20060257164
2006-11-16

Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus

 #170
20060210304
2006-09-21

Electrophotographic image forming apparatus to which a plurality of process cartridges are detachably mountable by using a moving guide and an opening and closing member

 #171
20060193655
2006-08-31

Image forming apparatus and image forming unit

 #172
20060140673
2006-06-29

Image-forming device with holding unit having multiple positions

 #173
20060140669
2006-06-29

Image forming apparatus with a removable holder for holding developing devices

 #174
20060140668
2006-06-29

Image forming apparatus and cartridge

 #175
20060140667
2006-06-29

Image forming method and apparatus including dismountable cartridges

 #176
20050260011
2005-11-24

Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus

 #177
20050249521
2005-11-10

Image forming apparatus including image transfer belt conveying a recording medium upward

 #178
20050220480
2005-10-06

Electrophotographic image forming apparatus having a plurality of mounting portions for detachably mounting a plurality process cartridges

 #179
20050147432
2005-07-07

Image forming apparatus with improved image quality and maintenance workability

 #180
20050047823
2005-03-03

Electrophotographic image forming apparatus, and process cartridge

 #181
20050047821
2005-03-03

Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus

 #182
20050047820
2005-03-03

Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus

 #183
20050002690
2005-01-06

Tandem color image forming device

 #184
20050001897
2005-01-06

Color image formation apparatus