Patents-Review.com
ClassID:

177969 ⎘

G03G21/1871 - 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 for electrically connecting the process cartridge to the apparatus, electrical connectors, power supply associated with a positioning function

Recent Application in this class:
#1
20260140475
2026-05-21

CARTRIDGE INCLUDING CARTRIDGE FRAME, FIRST TO THIRD ELECTRODES POSITIONED AT CARTRIDGE FRAME, AND CARTRIDGE MEMORY MOVABLE RELATIVE TO CARTRIDGE FRAME

 #2
20260104671
2026-04-16

IMAGE-FORMING APPARATUS INCLUDING DRAWER AND DETACHABLE CARTRIDGE HAVING PROTRUSION CONFIGURED TO BE RECEIVED IN RECESS OF THE DRAWER

 #3
20260044108
2026-02-12

PROCESS CARTRIDGE

 #4
20260016787
2026-01-15

IMAGE FORMING APPARATUS

 #5
20260010114
2026-01-08

DEVELOPING CARTRIDGE

 #6
20250306530
2025-10-02

PROCESS CARTRIDGE AND DEVELOPING CARTRIDGE

 #7
20250306508
2025-10-02

IMAGE FORMING APPARATUS

 #8
20250244714
2025-07-31

DRUM CARTRIDGE INCLUDING MOVABLE HOLDER HAVING HOLDER TERMINAL, AND RELAY ELECTRODE ELECTRICALLY CONNECTABLE TO HOLDER TERMINAL AND MEMORY OF DEVELOPING CARTRIDGE ATTACHED TO DRUM FRAME

 #9
20250102996
2025-03-27

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #10
20250021048
2025-01-16

ADAPTER, CARTRIDGE, AND IMAGE FORMING APPARATUS

 #11
20250021047
2025-01-16

POSITIONING ADAPTER, ADAPTER, AND CARTRIDGE

 #12
20250021046
2025-01-16

ADAPTER, CARTRIDGE, AND IMAGE FORMING APPARATUS

 #13
20250013168
2025-01-09

TONER SUPPLY CONTANER AND MOUNTING UNIT

 #14
20250004417
2025-01-02

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #15
20240393742
2024-11-28

IMAGE FORMING APPARATUS

 #16
20240353794
2024-10-24

PROCESS CARTRIDGE, PROCESS CARTRIDGE ASSEMBLY, AND IMAGE-FORMING APPARATUS

 #17
20240353793
2024-10-24

CONDUCTIVE PART, PROCESS CARTRIDGE, AND PROCESS CARTRIDGE SET

 #18
20240272575
2024-08-15

IMAGE FORMING APPARATUS

 #19
20240160147
2024-05-16

INSTALLATION BRACKET, PROCESS CARTRIDGE ASSEMBLY, AND IMAGE-FORMING APPARATUS

 #20
20240111247
2024-04-04

PROCESS CARTRIDGE, PROCESS CARTRIDGE GROUP, AND IMAGE-FORMING APPARATUS

 #21
20240111246
2024-04-04

Image forming apparatus having photoconductor unit with removable developing cartridge and electrical connectors

 #22
20240061372
2024-02-22

Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same

 #23
20230315002
2023-10-05

Development device, process cartridge, and image forming apparatus

 #24
20230259066
2023-08-17

Replaceable unit for an electrophotographic image forming device having positioning features for electrical contacts

 #25
20230244183
2023-08-03

Image forming apparatus

 #26
20230244157
2023-08-03

Toner supply contaner and mounting unit

 #27
20230185235
2023-06-15

Image forming apparatus having photoconductor unit and removable developing cartridge

 #28
20230068392
2023-03-02

Power receiving unit, rotating component, process cartridge, and assembly and disassembly methods thereof

 #29
20220397857
2022-12-15

Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same

 #30
20220283537
2022-09-08

Process cartridge configured of developing cartridge including electrical contact surface, and drum cartridge including electrical contact surface and lock lever

 #31
20220236687
2022-07-28

Development device, process cartridge, and image forming apparatus

 #32
20220197210
2022-06-23

Replaceable unit for an electrophotographic image forming device having positioning features for electrical contacts

 #33
20220171331
2022-06-02

Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same

 #34
20210364942
2021-11-25

Developing device and image forming apparatus containing regulated bearing

 #35
20210325822
2021-10-21

Developing cartridge including holder movably supporting electrical contact surface

 #36
20210278801
2021-09-09

Image forming apparatus having displaceable electrical contact when mounting photoconductor unit

 #37
20210247718
2021-08-12

Power receiving unit and process cartridge

 #38
20210208534
2021-07-08

Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same

 #39
20210165340
2021-06-03

Asymmetric key features

 #40
20210149335
2021-05-20

Cartridge and image forming apparatus

 #41
20210072698
2021-03-11

Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same

 #42
20210063953
2021-03-04

Replaceable unit for an electrophotographic image forming device having positioning features for electrical contacts

 #43
20210003960
2021-01-07

Developing cartridge including holder movably supporting electrical contact surface

 #44
20200310279
2020-10-01

Developing cartridge having pivotable developing electrode

 #45
20200285192
2020-09-10

Cartridge reproduction method and cartridge

 #46
20200218197
2020-07-09

Image forming apparatus with side frames

 #47
20200183322
2020-06-11

Development device, process cartridge, and image forming apparatus

 #48
20200142352
2020-05-07

Developing cartridge including holder movably supporting electrical contact surface

 #49
20200081396
2020-03-12

Cartridge and imaging forming apparatus

 #50
20200081394
2020-03-12

Electrophotographic image forming device having a replaceable unit with positioning features for electrical contacts

 #51
20200073325
2020-03-05

Power receiving unit, rotating component, process cartridge, and assembly and disassembly methods thereof

 #52
20190369552
2019-12-05

Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same

 #53
20190369550
2019-12-05

Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same

 #54
20190346805
2019-11-14

Image forming apparatus including optical print head

 #55
20190296468
2019-09-26

Chip module for toner cartridge

 #56
20190265641
2019-08-29

Developing cartridge including holder movably supporting electrical contact surface

 #57
20190227480
2019-07-25

Cartridge and image forming apparatus

 #58
20190179255
2019-06-13

Development device, process cartridge, and image forming apparatus

 #59
20190146408
2019-05-16

Replaceable unit for an electrophotographic image forming device having positioning features for electrical contacts

 #60
20190107795
2019-04-11

Developing cartridge including holder cover that covers holder holding electrical contact surface

 #61
20190094794
2019-03-28

Image forming apparatus having developing cartridge movable relative to photosensitive drum

 #62
20190041792
2019-02-07

Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same

 #63
20190041791
2019-02-07

Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same

 #64
20180364626
2018-12-20

Image forming apparatus using detachable fixing unit that fixes toner by heating paper after toner pattern is transferred

 #65
20180267460
2018-09-20

Terminal contact structure for removable body and image forming apparatus having the same

 #66
20180143584
2018-05-24

Development device, process cartridge, and image forming apparatus

 #67
20180129160
2018-05-10

Replaceable unit for an electrophotographic image forming device having positioning features for electrical contacts

 #68
20180095417
2018-04-05

Drawer, electronic apparatus incorporating the drawer, and image forming apparatus incorporating the drawer

 #69
20180087580
2018-03-29

Drum cylinder unit, method for attaching coupling member, and drum unit

 #70
20170285570
2017-10-05

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

 #71
20170248910
2017-08-31

Image forming apparatus having developing cartridge movable relative to photosensitive drum

 #72
20170205762
2017-07-20

Positioning features for electrical contacts of a replaceable unit of an electrophotographic image forming device

 #73
20170205752
2017-07-20

Positioning features for electrical contacts of a replaceable unit of an electrophotographic image forming device

 #74
20170075294
2017-03-16

Replaceable unit for an electrophotographic image forming device having positioning features for electrical contacts

 #75
20170052505
2017-02-23

Image forming apparatus

 #76
20170003645
2017-01-05

Image forming apparatus and cartridge

 #77
20160274495
2016-09-22

Developer cartridge

 #78
20160266516
2016-09-15

Developing cartridge and process cartridge

 #79
20160202656
2016-07-14

Image forming apparatus having cartridges

 #80
20160139558
2016-05-19

Cartridge having storing medium and image forming apparatus using the cartridge

 #81
20160026150
2016-01-28

Developer cartridge

 #82
20150331353
2015-11-19

Developing cartridge

 #83
20150261181
2015-09-17

Cartridge and electrophotographic image forming apparatus using the same

 #84
20150030347
2015-01-29

Developing cartridge

 #85
20150023699
2015-01-22

Developer cartridge

 #86
20140294425
2014-10-02

Image forming apparatus having movable supporting member for supporting cartridge

 #87
20140241749
2014-08-28

Image forming apparatus having cartridges

 #88
20140241743
2014-08-28

Circuit board configuration for image forming apparatus

 #89
20140241736
2014-08-28

Image forming apparatus including cartridge for protecting photosensitive drum

 #90
20140212151
2014-07-31

Replaceable unit, image forming apparatus that incorporates the replaceable unit and method for attaching a part to the replaceable unit

 #91
20140205322
2014-07-24

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

 #92
20140169824
2014-06-19

Image forming apparatus having a movable connector

 #93
20140153954
2014-06-05

Image forming apparatus

 #94
20140099140
2014-04-10

Electrophotographic color image forming apparatus with movable cartridge carrying member and associated electrical contacts

 #95
20140092197
2014-04-03

Image forming apparatus having detector configured to detect information regarding cartridge attached thereto

 #96
20140079430
2014-03-20

Developing cartridge and image forming apparatus for protecting an electrode from damage during handling

 #97
20140056614
2014-02-27

Image forming apparatus with urging member that establishes electrical connection with a cartridge

 #98
20140050503
2014-02-20

Process cartridge and image forming apparatus

 #99
20130287425
2013-10-31

Developer cartridge

 #100
20130243470
2013-09-19

Color electrophotographic image forming apparatus having movable main body electrical contacts

 #101
20130170868
2013-07-04

Toner cartridge for use in an image forming device

 #102
20130163998
2013-06-27

Image forming apparatus, detachable unit, and plural detachable units

 #103
20130114971
2013-05-09

Process cartridge and electrophotographic image forming apparatus

 #104
20130058675
2013-03-07

Cartridge and image forming apparatus

 #105
20130051820
2013-02-28

Image forming apparatus that detects timing for maintenance

 #106
20130051813
2013-02-28

Image forming apparatus capable of judging whether cartridge is newly mounted

 #107
20120328335
2012-12-27

Process cartridge, image forming apparatus and developing cartridge

 #108
20120308263
2012-12-06

Image forming apparatus

 #109
20120207507
2012-08-16

Connector, charging device incorporating same, and image forming apparatus incorporating the connector

 #110
20120207504
2012-08-16

Image forming apparatus

 #111
20120195632
2012-08-02

Electrophotographic color image forming apparatus carrying process cartridges on a movable member

 #112
20120148298
2012-06-14

Safety system for image forming apparatus having expendable developing unit

 #113
20120148289
2012-06-14

Image forming apparatus with developing unit drawer

 #114
20120141170
2012-06-07

Process cartridge, image forming apparatus and developing cartridge

 #115
20120107021
2012-05-03

Image forming apparatus

 #116
20110280620
2011-11-17

Process cartridge and image forming apparatus

 #117
20110236051
2011-09-29

Developer cartridge

 #118
20110211863
2011-09-01

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

 #119
20110206407
2011-08-25

Developing cartridge and image forming apparatus

 #120
20110206405
2011-08-25

Image-forming apparatus

 #121
20110129252
2011-06-02

Image forming apparatus

 #122
20110123223
2011-05-26

Process cartridge and electrophotographic image forming apparatus

 #123
20110116833
2011-05-19

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

 #124
20110116832
2011-05-19

Process cartridge and electrophotographic image forming apparatus

 #125
20110116825
2011-05-19

Electrophotographic color image forming apparatus carrying process cartridges on a movable member

 #126
20110076048
2011-03-31

Image forming apparatus including main unit and process cartridge

 #127
20110065336
2011-03-17

Image forming apparatus and electrode member for the same

 #128
20110002709
2011-01-06

Cartridge with urging members

 #129
20100239304
2010-09-23

Image forming apparatus having power supplying path

 #130
20100046980
2010-02-25

Color electrophotographic image forming carrying process cartridges on a movable member movable in a direction crossing a longitudinal direction of a photosensitive drum of the cartridges

 #131
20100028039
2010-02-04

Process cartridge and electrophotographic image forming apparatus

 #132
20090290908
2009-11-26

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

 #133
20090214245
2009-08-27

Image forming apparatus

 #134
20090196647
2009-08-06

Image forming apparatus and cartridge therefor

 #135
20090169256
2009-07-02

Process cartridge, image forming apparatus and developing cartridge

 #136
20090074453
2009-03-19

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

 #137
20090074452
2009-03-19

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

 #138
20080240778
2008-10-02

Image forming apparatus and developer cartridge

 #139
20080159775
2008-07-03

Process cartridge and electrophotographic image forming apparatus

 #140
20080159772
2008-07-03

Process cartridge having a drum, a developing roller, and first and second frames, and electrophotographic image forming apparatus on which such process cartridge is mountable

 #141
20080063429
2008-03-13

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

 #142
20080056754
2008-03-06

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

 #143
20080031656
2008-02-07

Image forming apparatus

 #144
20070269231
2007-11-22

Variable force biasing mechanism and electrical connection

 #145
20070166070
2007-07-19

Developer cartridge and image forming apparatus

 #146
20070160380
2007-07-12

Electrophotographic color image forming apparatus carrying process cartridge on a movable member

 #147
20070147881
2007-06-28

Image forming apparatus and developing cartridge having driving input and guide

 #148
20070147873
2007-06-28

Discharge method for electrophotographic process unit detachable from imaging apparatus and image forming apparatus thereof

 #149
20070104511
2007-05-10

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

 #150
20070104510
2007-05-10

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

 #151
20070098437
2007-05-03

Electrophotographic image forming apparatus having main assembly contact contacting a cartridge contact of a memory

 #152
20070092285
2007-04-26

Process cartridge and electrophotographic image forming apparatus

 #153
20070071483
2007-03-29

Providing electrical potential to a rotatable developer carrier in an image forming apparatus

 #154
20060285870
2006-12-21

Detachable process unit including a charge elimination mechanism

 #155
20060251443
2006-11-09

Process cartridge and electrophotographic image forming apparatus

 #156
20060210299
2006-09-21

Variable force biasing mechanism and electrical connection

 #157
20060198654
2006-09-07

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

 #158
20060188285
2006-08-24

Electrophotographic image forming apparatus, cartridge and process cartridge

 #159
20060110181
2006-05-25

Process cartridge and electrophotographic image forming apparatus

 #160
20060067725
2006-03-30

Cartridge, process cartridge, and electrophotographic image forming apparatus

 #161
20060029416
2006-02-09

Process cartridge and electrophotographic image forming apparatus

 #162
20060029415
2006-02-09

Discharge method for electrophotographic process unit detachable from imaging apparatus and image forming apparatus thereof

 #163
20060008287
2006-01-12

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

 #164
20050220476
2005-10-06

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

 #165
20050214019
2005-09-29

Process cartridge and electrographic image forming apparatus

 #166
20050207782
2005-09-22

Variable force biasing mechanism and electrical connection

 #167
20050191079
2005-09-01

Electrophotographic image forming apparatus, cartridge and process cartridge

 #168
20050176299
2005-08-11

Process cartridge having electrical contact connectable to electrical contact in electrophotographic image forming apparatus

 #169
20050163526
2005-07-28

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

 #170
20050135832
2005-06-23

Process cartridge and electrophotographic image forming apparatus

 #171
20050135831
2005-06-23

Electrophotographic image forming apparatus having process cartridge with electrical contacts

 #172
20050069338
2005-03-31

Process cartridge and electrophotographic image forming apparatus

 #173
20050019061
2005-01-27

Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus

 #174
15138380
2016-11-01

Replaceable unit for an electrophotographic image forming device having positioning features for electrical contacts

 #175
14854298
2016-06-07

Replaceable unit for an electrophotographic image forming device having positioning features for electrical contacts