Patents-Review.com
ClassID:

178498 ⎘

G03G2221/1861 - CPC Classification

Classification description:

Processes not provided for by group , e.g. cleaning or residual charge elimination; Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts; Cartridge systems; Process cartridge having a submodular arrangement Rotational subunit connection

Recent Application in this class:
#1
20260110986
2026-04-23

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE WITH SEPARATABLE DEVELOPING ROLLER FROM PHOTOCONDUCTOR DRUM

 #2
20260104670
2026-04-16

PROCESSING CARTRIDGE

 #3
20260003321
2026-01-01

IMAGE FORMING APPARATUS, PROCESS CARTRIDGES, AND CONNECTING MEMBER

 #4
20250341804
2025-11-06

IMAGE FORMING APPARATUS

 #5
20250237994
2025-07-24

CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT CAN BE EASILY SEPARATED

 #6
20250199465
2025-06-19

CARTRIDGE AND IMAGE FORMING APPARATUS

 #7
20250164925
2025-05-22

PROCESS CARTRIDGE

 #8
20250164924
2025-05-22

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

 #9
20250138474
2025-05-01

IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

 #10
20250103000
2025-03-27

CARTRIDGE AND IMAGE FORMING APPARATUS

 #11
20250013192
2025-01-09

CARTRIDGE AND IMAGE FORMING APPARATUS

 #12
20240427283
2024-12-26

PROCESS CARTRIDGE WITH TONER RECEIVING UNIT AT PIVOT AXIS OF DEVELOPMENT UNIT

 #13
20240427282
2024-12-26

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

 #14
20240411266
2024-12-12

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

 #15
20240345536
2024-10-17

Cartridge including photosensitive drum and developing roller that can be easily separated

 #16
20240241476
2024-07-18

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

 #17
20240184240
2024-06-06

ATTACHMENT AND PRINTING SYSTEM

 #18
20240077832
2024-03-07

Process cartridge and image forming apparatus

 #19
20240061371
2024-02-22

Process cartridge and image forming apparatus

 #20
20240061362
2024-02-22

PROCESS CARTRIDGE AND DEVELOPING CARTRIDGE

 #21
20230418219
2023-12-28

Cartridge including pressed portion to be pressed by a pressing portion of an image forming apparatus

 #22
20230418212
2023-12-28

Cartridge including photosensitive drum and developing roller that can be easily separated

 #23
20230367260
2023-11-16

Image forming apparatus and process cartridge including protrusion to receive a force for moving developing roller

 #24
20230205129
2023-06-29

IMAGE FORMING APPARATUS, PROCESS CARTRIDGES, AND CONNECTING MEMBER

 #25
20230135180
2023-05-04

Process cartridge and image forming apparatus

 #26
20230124989
2023-04-20

Drum cartridge and image forming apparatus having residual toner conveying pipe

 #27
20230110629
2023-04-13

Process cartridge and image forming apparatus

 #28
20230093103
2023-03-23

Process cartridge having a protrusion with a surface configured to receive a force to move a frame of the process cartridge

 #29
20230025390
2023-01-26

Cartridge including photosensitive drum and developing roller that can be easily separated

 #30
20230013196
2023-01-19

Cartridge and developing cartridge including a frame and sheet member provided at end side of the frame

 #31
20220291626
2022-09-15

Image forming apparatus

 #32
20220244677
2022-08-04

Toner cartridge having positioning features including guides extending outward from sides of the toner cartridge

 #33
20220236690
2022-07-28

Process cartridge and image forming apparatus

 #34
20220035308
2022-02-03

Process cartridge and image forming apparatus

 #35
20210405583
2021-12-30

Image forming apparatus and process cartridge

 #36
20210364983
2021-11-25

Cartridge having toner removing sheet in contact with photosensitive drum

 #37
20210333749
2021-10-28

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

 #38
20210216036
2021-07-15

Process cartridge and image forming apparatus

 #39
20210181671
2021-06-17

Process cartridge and image forming apparatus

 #40
20210157264
2021-05-27

Toner cartridge having positioning features including guides extending outward from sides of the toner cartridge and an engagement member on a rear of the toner cartridge

 #41
20210124304
2021-04-29

DEVELOPING DEVICE HAVING RESTRICTED MOVEMENT, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

 #42
20210109479
2021-04-15

Cartridge including a member movable relative to a frame of the cartridge and a regulating member for regulating movement of the movable member

 #43
20210003962
2021-01-07

Toner cartridge having positioning features including guides extending outward from sides of the toner cartridge and an engagement member on a rear of the toner cartridge

 #44
20200356046
2020-11-12

Process cartridge and image forming apparatus

 #45
20200341427
2020-10-29

Process cartridge and image forming apparatus

 #46
20200233374
2020-07-23

Process cartridge and image forming apparatus

 #47
20200225616
2020-07-16

Image forming apparatus including a movable engageable member and process cartridge including a force receiving portion

 #48
20200209804
2020-07-02

Cartridge with a sheet to remove matter from a surface of a photosensitive drum

 #49
20200201244
2020-06-25

Developing device having restricted movement, process cartridge and image forming apparatus

 #50
20200174422
2020-06-04

Cartridge, process cartridge, and image forming apparatus

 #51
20200166886
2020-05-28

Powder container, process cartridge, and image forming apparatus

 #52
20200019114
2020-01-16

Process cartridge and image forming apparatus

 #53
20190369551
2019-12-05

Image forming apparatus including a movable engageable member and process cartridge including a force receiving portion

 #54
20190278220
2019-09-12

Drive transmission mechanism, driving device, and image forming apparatus having a switchable transmission of rotational force

 #55
20190235415
2019-08-01

Remanufactured toner cartridge and method

 #56
20190227482
2019-07-25

Separation holding member, cartridge unit, and packaging body

 #57
20190204779
2019-07-04

Cartridge, process cartridge, and image forming apparatus

 #58
20190155190
2019-05-23

Image forming apparatus having rotatably mounted drum cartridge

 #59
20190101862
2019-04-04

Image unit having positional control features for use in an electrophotographic image forming device

 #60
20190049895
2019-02-14

Process cartridge and image forming apparatus

 #61
20180364639
2018-12-20

Imaging unit having positional control features for use in an electrophotographic image forming device

 #62
20180299826
2018-10-18

Rotatable member, process cartridge and image forming apparatus

 #63
20180259899
2018-09-13

Process cartridge and image forming apparatus

 #64
20180239301
2018-08-23

Image forming apparatus having a swingably supported developing cartridge

 #65
20180039227
2018-02-08

Process cartridge and image forming apparatus

 #66
20180039226
2018-02-08

Cartridge, process cartridge, and image forming apparatus

 #67
20170329256
2017-11-16

Remanufactured toner cartridge and method

 #68
20170285570
2017-10-05

Process cartridge capable of restraining frictional wearing of electrode provided at developing unit

 #69
20160378056
2016-12-29

Process cartridge and image forming apparatus

 #70
20160048105
2016-02-18

Process cartridge and image forming apparatus

 #71
20160018784
2016-01-21

Process cartridge and image forming apparatus

 #72
20150370220
2015-12-24

Image forming apparatus provided with cartridge

 #73
20150078780
2015-03-19

Process cartridge and image forming apparatus

 #74
20150003867
2015-01-01

Image forming unit and image forming apparatus that incorporates the image forming unit

 #75
20140314445
2014-10-23

Process cartridge and electrophotographic image forming apparatus

 #76
20140205322
2014-07-24

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

 #77
20140072339
2014-03-13

Process cartridge

 #78
20130315622
2013-11-28

Process cartridge and image forming apparatus

 #79
20120294647
2012-11-22

Process cartridge and electrophotographic image forming apparatus

 #80
20120269543
2012-10-25

Image forming apparatus having mechanism for allowing photosensitive drum and developing roller to contact during insertion of cartridge-mounted drawer

 #81
20120237252
2012-09-20

Process cartridge and image forming apparatus

 #82
20120163861
2012-06-28

Process cartridge and electrophotographic image forming apparatus

 #83
20120057899
2012-03-08

Process cartridge and image forming apparatus

 #84
20110211863
2011-09-01

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

 #85
20110188888
2011-08-04

Photosensitive member cartridge

 #86
20110110682
2011-05-12

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

 #87
20110097108
2011-04-28

Process cartridge with a coupling member and a retaining portion for the coupling member

 #88
20100329732
2010-12-30

Process cartridge and image forming apparatus including drum and shaft coupling members transmitting driving forces to a photosensitive drum and a developing roller, respectively

 #89
20100296836
2010-11-25

Photosensitive member cartridge

 #90
20100278555
2010-11-04

Image forming apparatus with developing device support structure

 #91
20100209138
2010-08-19

Process cartridge and electrophotographic image forming apparatus

 #92
20100158565
2010-06-24

Process cartridge and electrophotographic image forming apparatus

 #93
20090297219
2009-12-03

Process cartridge

 #94
20090290908
2009-11-26

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

 #95
20090238603
2009-09-24

Process cartridge, supporting member, process cartridge assembling method, and process cartridge disassembling method

 #96
20090232554
2009-09-17

Methods to control transitions between color printing and black-only printing in an image forming device

 #97
20090162095
2009-06-25

Process cartridge and image forming apparatus

 #98
20090092413
2009-04-09

Photosensitive member cartridge

 #99
20090074454
2009-03-19

Electrophotographic image forming apparatus and process cartridge

 #100
20090074453
2009-03-19

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

 #101
20090074452
2009-03-19

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

 #102
20090060567
2009-03-05

Compact imaging cartridge and image forming apparatus

 #103
20090052940
2009-02-26

IMAGING CARTRIDGE AND IMAGE FORMING APPARATUS

 #104
20080240773
2008-10-02

Electrophotographic image forming apparatus and process cartridge

 #105
20080212995
2008-09-04

Detachable developer having development unit supported at three positions

 #106
20080138114
2008-06-12

Process cartridge and image forming apparatus including drum and shaft coupling members transmitting driving forces to a photosensitive drum and a developing roller, respectively

 #107
20080138107
2008-06-12

Process cartridge and image forming apparatus

 #108
20080138106
2008-06-12

Process cartridge and electrophotographic image forming apparatus

 #109
20080080892
2008-04-03

Process cartridge and image forming apparatus

 #110
20080063429
2008-03-13

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

 #111
20080056754
2008-03-06

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

 #112
20080050148
2008-02-28

Image forming apparatus in which transfer member is movable toward and apart from image bearing member

 #113
20080008497
2008-01-10

Replaceable process cartridge and image forming apparatus using the same

 #114
20070264045
2007-11-15

Photosensitive member cartridge

 #115
20070206971
2007-09-06

Process cartridge and electrophotographic image forming apparatus usable therewith

 #116
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

 #117
20070160386
2007-07-12

Electrophotographic image forming apparatus having a drawing member positionable at mount and drawn positions for mounting plural process cartridges

 #118
20070104511
2007-05-10

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

 #119
20070104510
2007-05-10

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

 #120
20070098438
2007-05-03

Process cartridge and image forming apparatus

 #121
20070048007
2007-03-01

Image forming apparatus, process unit, and developing cartridge

 #122
20070019986
2007-01-25

Two part cartridges with force biasing by printer

 #123
20060257164
2006-11-16

Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus

 #124
20060245785
2006-11-02

Process cartridge whose developing roller and drum contact and separate from each other and image forming apparatus using such cartridge

 #125
20060245784
2006-11-02

Process cartridge including first and second frames and separating member moving the second frame to a separated position and image forming apparatus detachably mounting the cartridge

 #126
20060239711
2006-10-26

Printing device cartridge having position in which rollers are separated from photoconductor

 #127
20060216063
2006-09-28

Process cartridge supported by image forming apparatus main body and image forming apparatus using the same

 #128
20060216061
2006-09-28

Process cartridge and image forming apparatus

 #129
20060198654
2006-09-07

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

 #130
20060165427
2006-07-27

Apparatus for fixing shaft of cartridge and image forming device having the same

 #131
20060159487
2006-07-20

Developing cartridge and electrophotographic image forming apparatus employing the same

 #132
20060120755
2006-06-08

Process cartridge with casings combined by coupling pin, and assembling method and disassembling method thereof

 #133
20060072938
2006-04-06

Process cartridge having first and second rotatably coupled frames and electrophotographic image forming apparatus mounting such process cartridge

 #134
20060056878
2006-03-16

Photosensitive member cartridge

 #135
20060056877
2006-03-16

Photosensitive member cartridge

 #136
20060056876
2006-03-16

Photosensitive member cartridge

 #137
20060051131
2006-03-09

Process cartridge and image forming apparatus for reducing the effect of external forces

 #138
20060045566
2006-03-02

Process cartridge having developing roller and photosensitive drum that can contact and become spaced apart from each other and electrophotographic image forming apparatus mounting such cartridge

 #139
20060045565
2006-03-02

Process cartridge and electrophotographic image forming apparatus

 #140
20060034637
2006-02-16

Image forming apparatus

 #141
20060008289
2006-01-12

Electrophotographic image forming apparatus and process cartridge

 #142
20060008287
2006-01-12

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

 #143
20050265748
2005-12-01

Detachable developer capable of maintaining nip

 #144
20050260011
2005-11-24

Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus

 #145
20050220476
2005-10-06

Process cartridge, method of assembling process cartridge, and connecting member

 #146
20050169663
2005-08-04

Process cartridge and image forming apparatus

 #147
20050163526
2005-07-28

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

 #148
20050152716
2005-07-14

Image forming apparatus switching developing rollers of mounted process cartridges between contact and spaced states and switching the contact position of a feeding belt contactable to drums of the mounted cartridges

 #149
20050147430
2005-07-07

Two part cartridges with force biasing by printer

 #150
20050135837
2005-06-23

Photosensitive member cartridge

 #151
20050117934
2005-06-02

Process cartridge, mounting method of electrophotographic photosensitive drum and replacing method of the photosensitive drum

 #152
20050115043
2005-06-02

Remanufacturing method for process cartridge

 #153
20050069342
2005-03-31

Process cartridge and electrophotographic image forming apparatus

 #154
20050047822
2005-03-03

Process cartridge and electrophotographic image forming apparatus

 #155
20050047821
2005-03-03

Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus

 #156
20050047820
2005-03-03

Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus

 #157
20050025522
2005-02-03

Process cartridge and holding member

 #158
16429471
2020-10-20

Toner cartridge having positioning features including guides extending outward from sides of the toner cartridge and an engagement member on a rear of the toner cartridge

 #159
15722087
2018-09-11

Imaging unit having positioning features for electrical contacts for use in an electrophotographic image forming device

 #160
14829304
2016-05-10

Imaging unit and image forming apparatus