G03G2221/1884 - CPC Classification Index

#1

20260153833

2026-06-04

PROCESSING CARTRIDGE

#2

20260140475

2026-05-21

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

#3

20250199465

2025-06-19

CARTRIDGE AND IMAGE FORMING APPARATUS

#4

20250138473

2025-05-01

CARTRIDGE AND IMAGE FORMING APPARATUS

#5

20250021048

2025-01-16

ADAPTER, CARTRIDGE, AND IMAGE FORMING APPARATUS

#6

20250013193

2025-01-09

IMAGE FORMING DEVICE

#7

20250013192

2025-01-09

CARTRIDGE AND IMAGE FORMING APPARATUS

#8

20240329573

2024-10-03

Image-forming apparatus provided with mechanism for opening and closing shutter of fixing device

#9

20240219865

2024-07-04

IMAGE FORMING APPARATUS

#10

20240210874

2024-06-27

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

#11

20240184240

2024-06-06

ATTACHMENT AND PRINTING SYSTEM

#12

20230418219

2023-12-28

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

#13

20230280675

2023-09-07

Image-forming apparatus provided with mechanism for opening and closing shutter of fixing device

#14

20230273568

2023-08-31

Image forming apparatus

#15

20230229109

2023-07-20

Image forming device

#16

20230131306

2023-04-27

Image forming apparatus

#17

20230095168

2023-03-30

Process cartridge and image forming apparatus

#18

20230072359

2023-03-09

Image forming apparatus

#19

20230063310

2023-03-02

Image forming apparatus

#20

20220373965

2022-11-24

Image forming device

#21

20220308523

2022-09-29

Image forming apparatus having guide members for detachably inserting cartridges

#22

20220299934

2022-09-22

Processing cartridge for an imaging device

#23

20220253014

2022-08-11

Developing device, image forming apparatus including developing device

#24

20220197179

2022-06-23

Image forming apparatus

#25

20220137551

2022-05-05

Cartridge having a portion-to-be-positioned and a pressing portion configured in relation to a corresponding apparatus

#26

20220057745

2022-02-24

Image forming device

#27

20210373490

2021-12-02

Image-forming apparatus that prevents attachment of toner cartridge to drawer without mounting of process cartridge on the drawer

#28

20210333750

2021-10-28

Process cartridge and image forming apparatus

#29

20210333748

2021-10-28

Image forming apparatus

#30

20210271203

2021-09-02

Image forming system having a movable member and first and second cartridges having a pressing portion for pressing the movable member

#31

20210191310

2021-06-24

Image-forming apparatus that prevents attachment of toner cartridge to drawer without mounting of process cartridge on the drawer

#32

20210072695

2021-03-11

Image forming apparatus having guide members for print head

#33

20210063958

2021-03-04

Image forming device

#34

20200401078

2020-12-24

Process cartridge and image forming apparatus

#35

20200301353

2020-09-24

Image forming apparatus

#36

20200264556

2020-08-20

Process cartridge and image forming apparatus

#37

20200209803

2020-07-02

Image forming apparatus having a movable member and cartridge having a pressing portion for pressing the movable member

#38

20200174422

2020-06-04

Cartridge, process cartridge, and image forming apparatus

#39

20200089162

2020-03-19

Removable unit and image forming apparatus incorporating same

#40

20200064773

2020-02-27

Image forming apparatus

#41

20190339643

2019-11-07

Process cartridge and image forming apparatus

#42

20190278220

2019-09-12

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

#43

20190227481

2019-07-25

Process cartridge and image forming apparatus

#44

20190204779

2019-07-04

Cartridge, process cartridge, and image forming apparatus

#45

20190171158

2019-06-06

Developing cartridge, processing cartridge, and image forming apparatus

#46

20180246465

2018-08-30

Process cartridge and image forming apparatus

#47

20180088525

2018-03-29

Image forming apparatus and cartridge

#48

20180039226

2018-02-08

Cartridge, process cartridge, and image forming apparatus

#49

20170371293

2017-12-28

Image forming apparatus

#50

20170075299

2017-03-16

Process cartridge and image forming apparatus

#51

20160357125

2016-12-08

Developing cartridge

#52

20160179053

2016-06-23

Positional control features for an imaging unit in an electrophotographic image forming device

#53

20160179050

2016-06-23

Positional control features between replaceable units of an electrophotographic image forming device

#54

20160103418

2016-04-14

Image forming apparatus including an erroneous attaching prevention unit

#55

20150370220

2015-12-24

Image forming apparatus provided with cartridge

#56

20150362891

2015-12-17

Process cartridge and image forming apparatus

#57

20150261181

2015-09-17

Cartridge and electrophotographic image forming apparatus using the same

#58

20150212481

2015-07-30

Image formation unit and image formation apparatus

#59

20150139694

2015-05-21

Developing cartridge

#60

20150037067

2015-02-05

Image forming device

#61

20140348554

2014-11-27

Image forming apparatus having cleaning unit including waste developer box

#62

20140314445

2014-10-23

Process cartridge and electrophotographic image forming apparatus

#63

20140270882

2014-09-18

Image forming apparatus including waste toner container with guide unit

#64

20140205322

2014-07-24

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

#65

20140199095

2014-07-17

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

#66

20140178098

2014-06-26

Process cartridge and image forming device having the process cartridge

#67

20130259519

2013-10-03

Image forming device facilitating removal of jammed sheet

#68

20130209137

2013-08-15

Process cartridge, developing device and image forming apparatus

#69

20130188987

2013-07-25

Image forming apparatus

#70

20120328348

2012-12-27

Image forming apparatus having waste toner box

#71

20120321344

2012-12-20

Color electrophotographic image forming apparatus having a cartridge supporting member

#72

20120294647

2012-11-22

Process cartridge and electrophotographic image forming apparatus

#73

20120281999

2012-11-08

Process cartridge and image forming apparatus

#74

20120275823

2012-11-01

Image forming apparatus

#75

20120269543

2012-10-25

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

#76

20120230726

2012-09-13

Process cartridge and image forming apparatus

#77

20120224886

2012-09-06

Image forming apparatus

#78

20120219319

2012-08-30

Image forming apparatus

#79

20120207511

2012-08-16

Image forming device

#80

20120189344

2012-07-26

Process cartridge and image forming apparatus

#81

20120189343

2012-07-26

Process cartridge and image forming apparatus

#82

20120177404

2012-07-12

Process cartridge and electrophotographic image forming apparatus

#83

20120177403

2012-07-12

Electrophotographic image forming apparatus and process cartridge with electrical contacts that urge developer roller to photosensitive drum

#84

20120177395

2012-07-12

Process cartridge and electrophotrographic image forming apparatus

#85

20120163861

2012-06-28

Process cartridge and electrophotographic image forming apparatus

#86

20120128388

2012-05-24

Process cartridge and image forming apparatus

#87

20120063810

2012-03-15

Process cartridge and image forming apparatus

#88

20120027457

2012-02-02

Image forming apparatus with opening for positioning or regulating a supporting member that supports an image bearing member

#89

20120014729

2012-01-19

Image forming apparatus having waste toner box

#90

20110262181

2011-10-27

Color electrophotographic image forming apparatus having a cartridge supporting member

#91

20110249984

2011-10-13

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

#92

20110217075

2011-09-08

Image forming device having regulating member configured to prohibit movement of photosensitive body in lock state

#93

20110211863

2011-09-01

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

#94

20110170906

2011-07-14

Cartridge and image forming apparatus with elastically deformable shutter member

#95

20110142484

2011-06-16

Image forming apparatus having a cleaning unit

#96

20110129251

2011-06-02

Process cartridge and electrophotographic image forming apparatus

#97

20110123225

2011-05-26

Process cartridge and electrophotographic image forming apparatus

#98

20110123224

2011-05-26

Process cartridge and image forming apparatus

#99

20110103829

2011-05-05

Process cartridge and electrophotographic image forming apparatus

#100

20110044717

2011-02-24

Process cartridge and electrophotographic image forming apparatus

#101

20110013935

2011-01-20

Image forming apparatus, image forming method, and supporting mechanism

#102

20110013932

2011-01-20

Image forming apparatus having a main assembly, a cartridge detachably mountable to the main assembly, and a fixing unit detachably mountable to the main assembly

#103

20100329733

2010-12-30

Image forming apparatus

#104

20100322664

2010-12-23

Developing cartridge, process cartridge, and electrophotographic image forming apparatus

#105

20100296837

2010-11-25

Image forming device and detachably loaded process unit

#106

20100290806

2010-11-18

Process cartridge having cartridge positioning portion and image forming apparatus mounting said process cartridge

#107

20100239308

2010-09-23

Color electrophotographic image forming apparatus

#108

20100232832

2010-09-16

Developing cartridge, process cartridge, and electrophotographic image forming apparatus

#109

20100215397

2010-08-26

IMAGE FORMING APPARATUS

#110

20100209138

2010-08-19

Process cartridge and electrophotographic image forming apparatus

#111

20100196047

2010-08-05

Driving-transmitter and process cartridge

#112

20100158565

2010-06-24

Process cartridge and electrophotographic image forming apparatus

#113

20100158556

2010-06-24

Process cartridge and electrophotographic image forming apparatus

#114

20100129113

2010-05-27

IMAGE FORMING APPARATUS

#115

20100080617

2010-04-01

Color electrophotographic image forming apparatus having a cartridge supporting member

#116

20100054798

2010-03-04

Process cartridges in image forming device

#117

20100054797

2010-03-04

Drum cartridge including detachable spacer member and electrophotographic image forming apparatus

#118

20090297211

2009-12-03

Process cartridge and electrophotographic image forming apparatus

#119

20090290908

2009-11-26

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

#120

20090290904

2009-11-26

Cartridge and image forming apparatus

#121

20090285593

2009-11-19

Image forming apparatus having a cleaning unit

#122

20090263156

2009-10-22

PROCESS CARTRIDGE DETACHABLY MOUNTABLE TO AN IMAGE FORMING APPARATUS

#123

20090214248

2009-08-27

Image forming apparatus having a mounting/demounting structure

#124

20090214227

2009-08-27

Developing cartridge, image forming apparatus having the same, and printing method for an image forming apparatus

#125

20090208248

2009-08-20

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

#126

20090180799

2009-07-16

Process cartridge having cartridge positioning portion and image forming apparatus mounting said process cartridge

#127

20090162087

2009-06-25

Image forming apparatus, image forming structural body, method of mounting image forming structural body and method of pulling out image forming structural body

#128

20090074453

2009-03-19

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

#129

20090074452

2009-03-19

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

#130

20090074447

2009-03-19

Developing device removably mountable in an image forming apparatus, and image forming apparatus having the same

#131

20090060569

2009-03-05

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

#132

20090047037

2009-02-19

Process cartridge and electrophotographic image forming apparatus

#133

20090028601

2009-01-29

Image forming apparatus

#134

20080247776

2008-10-09

Image forming device and detachably loaded process unit

#135

20080205932

2008-08-28

Developing device and image forming apparatus

#136

20080159773

2008-07-03

Electrophotographic image forming apparatus and process cartridge mounted thereto having contacts electrically connecting with an electrical contact

#137

20080152386

2008-06-26

Image forming device

#138

20080145095

2008-06-19

Cartridge and electrophotographic image forming apparatus

#139

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

#140

20080138106

2008-06-12

Process cartridge and electrophotographic image forming apparatus

#141

20080138105

2008-06-12

Process cartridge and electrophotographic image forming apparatus

#142

20080118254

2008-05-22

Image forming apparatus including a recognition structure for recognizing the compatibility of an image forming process unit

#143

20080075501

2008-03-27

IMAGE FORMING APPARATUS AND METHOD THEREOF

#144

20080063429

2008-03-13

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

#145

20080056754

2008-03-06

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

#146

20070280729

2007-12-06

Image forming apparatus having a plurality of photosensitive drums

#147

20070269231

2007-11-22

Variable force biasing mechanism and electrical connection

#148

20070264045

2007-11-15

Photosensitive member cartridge

#149

20070253741

2007-11-01

Image forming apparatus and method for forming image

#150

20070242977

2007-10-18

Image forming apparatus in which developing unit is easily detachable to photosensitive member unit

#151

20070217817

2007-09-20

Image forming apparatus and developer cartridge

#152

20070166074

2007-07-19

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE REMOVABLY MOUNTED THERETO

#153

20070147873

2007-06-28

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

#154

20070140732

2007-06-21

Methods for printer cartridge modification

#155

20070110473

2007-05-17

Image forming apparatus, image forming method, and supporting mechanism

#156

20070104511

2007-05-10

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

#157

20070104510

2007-05-10

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

#158

20070098439

2007-05-03

Image forming device

#159

20070092287

2007-04-26

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

#160

20070071496

2007-03-29

Cartridge, image forming apparatus, and method for mounting and dismounting the cartridge in and from a main body of the image forming apparatus

#161

20070071495

2007-03-29

Process cartridge that spaces a developing roller and photosensitive drum from each other and image forming apparatus usable therewith

#162

20070048007

2007-03-01

Image forming apparatus, process unit, and developing cartridge

#163

20070041744

2007-02-22

Electrophotographic process unit and image forming apparatus

#164

20070036583

2007-02-15

Image forming apparatus with image forming cartridges arranged one above another

#165

20070020017

2007-01-25

Position adjusting mechanism, process cartridge provided therewith, and image forming apparatus provided therewith

#166

20060285884

2006-12-21

Image forming apparatus having a rotary developing device with plural developing units

#167

20060285880

2006-12-21

Image forming device and detachably loaded process unit

#168

20060285879

2006-12-21

Process cartridge having cartridge positioning portion and movable member and image forming apparatus mounting said process cartridge

#169

20060285875

2006-12-21

Frame for image formation device

#170

20060257165

2006-11-16

Structure for installing developing unit and electrophotographic image forming apparatus with the same

#171

20060257164

2006-11-16

Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus

#172

20060239712

2006-10-26

Process cartridge mountable to image forming apparatus having positioning portion to engage a member of the apparatus and having member to contact urging member of the apparatus and such image forming apparatus

#173

20060228132

2006-10-12

Process cartridge receiving from an image forming apparatus into which it is mounted a downstream-moving force during mounting and such image forming apparatus

#174

20060228127

2006-10-12

Process cartridge and electrophotographic image forming apparatus

#175

20060222402

2006-10-05

Image-forming apparatus including a cartridge loading section in communication with a cartridge opening

#176

20060210299

2006-09-21

Variable force biasing mechanism and electrical connection

#177

20060198654

2006-09-07

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

#178

20060147225

2006-07-06

Process cartridge and electrophotographic image forming apparatus

#179

20060140667

2006-06-29

Image forming method and apparatus including dismountable cartridges

#180

20060083544

2006-04-20

Image forming apparatus

#181

20060072937

2006-04-06

Spacer for print cartridge

#182

20060072936

2006-04-06

Process cartridge and electrophotographic image forming apparatus

#183

20060067733

2006-03-30

Image forming apparatus having a securing member to secure an image forming unit to a housing body

#184

20060067725

2006-03-30

Cartridge, process cartridge, and electrophotographic image forming apparatus

#185

20060062589

2006-03-23

Process cartridge having cartridge electrical contact connected to a cartridge memory element and connectable to a main assembly electrical contact and image forming apparatus to which such cartridge is mountable

#186

20060056878

2006-03-16

Photosensitive member cartridge

#187

20060056877

2006-03-16

Photosensitive member cartridge

#188

20060056876

2006-03-16

Photosensitive member cartridge

#189

20060029415

2006-02-09

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

#190

20060008296

2006-01-12

Image forming apparatus

#191

20060008287

2006-01-12

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

#192

20050276630

2005-12-15

Image forming apparatus and cartridge with holding device

#193

20050276629

2005-12-15

Image forming apparatus

#194

20050265747

2005-12-01

Attaching and detaching a process cartridge of an image forming device

#195

20050260011

2005-11-24

Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus

#196

20050260010

2005-11-24

Image-forming device and process cartridge

#197

20050249521

2005-11-10

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

#198

20050244188

2005-11-03

Electrophotographic image forming apparatus

#199

20050231821

2005-10-20

Unit supporting device and image forming apparatus

#200

20050220485

2005-10-06

Process cartridge and electrophotographic image forming apparatus

#201

20050220484

2005-10-06

Image forming device

#202

20050220481

2005-10-06

Process cartridge and image forming apparatus

#203

20050220480

2005-10-06

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

#204

20050207785

2005-09-22

Door assembly for an image forming device

#205

20050207782

2005-09-22

Variable force biasing mechanism and electrical connection

#206

20050191091

2005-09-01

Developing cartridge and process cartridge having first and second projected portions and image forming apparatus mounting such a developing cartridge

#207

20050191088

2005-09-01

Process cartridge and image forming apparatus

#208

20050191086

2005-09-01

Image forming apparatus

#209

20050163526

2005-07-28

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

#210

20050135837

2005-06-23

Photosensitive member cartridge

#211

20050100363

2005-05-12

Process unit, photoconductive unit, developing unit, and image forming apparatus

#212

20050047822

2005-03-03

Process cartridge and electrophotographic image forming apparatus

#213

20050047821

2005-03-03

Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus

#214

20050047820

2005-03-03

Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus

#215

20050025521

2005-02-03

Image-forming device having a removable process cartridge

#216

14725195

2016-08-09

Positioning stop assembly for a replaceable unit of an electrophotographic image forming device

#217

14576826

2016-03-22

Positional control features for an imaging unit in an electrophotographic image forming device

#218

14576777

2016-03-15

Positional control features between replaceable units of an electrophotographic image forming device