G03G21/185 - CPC Classification Index

#1

20250291306

2025-09-18

IMAGE FORMING APPARATUS

#2

20250231525

2025-07-17

IMAGE FORMING APPARATUS

#3

20250116963

2025-04-10

IMAGE FORMING APPARATUS

#4

20250013193

2025-01-09

IMAGE FORMING DEVICE

#5

20240419122

2024-12-19

PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE DRUM UNIT

#6

20240411268

2024-12-12

IMAGE FORMING APPARATUS

#7

20240369968

2024-11-07

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

#8

20240369967

2024-11-07

Process cartridge and image forming apparatus

#9

20240210875

2024-06-27

Process cartridge and image forming apparatus

#10

20240126204

2024-04-18

Image-forming apparatus provided with urging member for urging process cartridge

#11

20240012358

2024-01-11

Image forming apparatus

#12

20230315008

2023-10-05

Cartridge, process cartridge, and image forming apparatus

#13

20230297023

2023-09-21

PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE DRUM UNIT

#14

20230273570

2023-08-31

Process cartridge and image forming apparatus

#15

20230273569

2023-08-31

Image forming apparatus having detachable cartridges and image forming system

#16

20230229109

2023-07-20

Image forming device

#17

20230185233

2023-06-15

Image-forming apparatus provided with urging member for urging process cartridge

#18

20230125991

2023-04-27

Image forming apparatus having member to restrict disengagement of a detachable cartridge

#19

20230089182

2023-03-23

Developing cartridge including a member configured to be pressed by a member of an image forming apparatus

#20

20230019865

2023-01-19

Image forming apparatus

#21

20220373965

2022-11-24

Image forming device

#22

20220365477

2022-11-17

Opening-closing member of image forming apparatus and image forming apparatus

#23

20220291626

2022-09-15

Image forming apparatus

#24

20220283536

2022-09-08

Developing apparatus, process cartridge, and image forming apparatus

#25

20220253015

2022-08-11

Image forming apparatus with improved operabiity for attaching and detaching a cartridge

#26

20220221819

2022-07-14

Cartridge, process cartridge, and image forming apparatus

#27

20220137550

2022-05-05

Image forming apparatus having detachable cartridges and image forming system

#28

20220075314

2022-03-10

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#29

20220066386

2022-03-03

Process cartridge and image forming apparatus

#30

20220057745

2022-02-24

Image forming device

#31

20220035266

2022-02-03

Developing cartridge capable of maintaining contacting pressure between developing roller and photosensitive drum regardless of residual amount of toner

#32

20220004142

2022-01-06

Image-forming apparatus provided with urging member for urging process cartridge

#33

20210263463

2021-08-26

Developing apparatus, process cartridge, and image forming apparatus

#34

20210232087

2021-07-29

Image forming apparatus including drawer for supporting drum cartridge and developing cartridge

#35

20210232061

2021-07-29

Structure to refill toner to development cartridge mounted in main body

#36

20210173326

2021-06-10

Developing cartridge capable of maintaining contacting pressure between developing roller and photosensitive drum regardless of residual amount of toner

#37

20210141332

2021-05-13

Developing cartridge having a guide projecting from a frame body

#38

20210080903

2021-03-18

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#39

20210075956

2021-03-11

Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention

#40

20210063958

2021-03-04

Image forming device

#41

20210048777

2021-02-18

Cartridge, process cartridge, and image forming apparatus

#42

20210011429

2021-01-14

Process cartridge and image forming apparatus

#43

20210011428

2021-01-14

Process cartridge and image forming apparatus

#44

20200348623

2020-11-05

Cartridge, process cartridge, and image forming apparatus

#45

20200341430

2020-10-29

Image-forming apparatus provided with urging member for urging process cartridge

#46

20200333744

2020-10-22

Cartridge and image forming apparatus

#47

20200333742

2020-10-22

Developing cartridge having a frame and supporting members that are movable relative to the frame

#48

20200249624

2020-08-06

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#49

20200241469

2020-07-30

Cartridge, process cartridge, and image forming apparatus

#50

20200183323

2020-06-11

Package aspect of heat-dissipating lid and reservoir structure for liquid thermal interfacing materials

#51

20200177796

2020-06-04

Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention

#52

20200174419

2020-06-04

Image forming apparatus having link mechanism for positioning cartridge

#53

20200133196

2020-04-30

Image-forming apparatus provided with urging member for urging process cartridge

#54

20200110357

2020-04-09

Cartridge, process cartridge, and image forming apparatus

#55

20200096937

2020-03-26

Process cartridge and image forming apparatus

#56

20200050143

2020-02-13

Cartridge and image forming apparatus

#57

20200012229

2020-01-09

Image forming apparatus

#58

20190384219

2019-12-19

Image forming apparatus including drum cartridge attachable to and detachable from first supporting position on drawer and developing cartridge attachable to and detachable from second supporting position on drawer

#59

20190377299

2019-12-12

Developing apparatus, process cartridge, and image forming apparatus

#60

20190361390

2019-11-28

Image forming apparatus

#61

20190354067

2019-11-21

Cartridge, process cartridge, and image forming apparatus

#62

20190346809

2019-11-14

Image forming apparatus having optical print head

#63

20190302660

2019-10-03

Image forming apparatus having a conveyance with air circulating opening

#64

20190278219

2019-09-12

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#65

20190278218

2019-09-12

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#66

20190278217

2019-09-12

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#67

20190196392

2019-06-27

Image forming apparatus having releasable drum unit

#68

20190179260

2019-06-13

Image-forming apparatus provided with urging member for urging process cartridge

#69

20190113880

2019-04-18

PROCESS CARTRIDGE

#70

20190107803

2019-04-11

Cartridge having a rotatable guide member

#71

20190101846

2019-04-04

Developing apparatus and image forming apparatus

#72

20190094796

2019-03-28

Image forming apparatus and configuration of cartridge unit

#73

20190049894

2019-02-14

Image forming apparatus

#74

20180364640

2018-12-20

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#75

20180348700

2018-12-06

Cartridge and image forming apparatus

#76

20180348696

2018-12-06

Image forming apparatus including a pressing member configured to press a development unit

#77

20180348694

2018-12-06

Cartridge unit and image forming apparatus having features to prevent erroneous cartridge unit locking

#78

20180335752

2018-11-22

Image forming apparatus operable with a cartridge having a memory and a terminal

#79

20180329359

2018-11-15

Developing cartridge and image forming apparatus

#80

20180321633

2018-11-08

Developing apparatus, process cartridge, and image forming apparatus

#81

20180292781

2018-10-11

Image forming apparatus

#82

20180284645

2018-10-04

Toner container that restricts removal from mounting portion and image forming apparatus

#83

20180259900

2018-09-13

Cartridge, process cartridge, and image forming apparatus

#84

20180239302

2018-08-23

Process cartridge and image forming apparatus

#85

20180231933

2018-08-16

Image forming apparatus

#86

20180231917

2018-08-16

Developing unit, process cartridge, and image forming apparatus including process cartridge

#87

20180217527

2018-08-02

Image forming apparatus

#88

20180210393

2018-07-26

Developing device, process cartridge, and image forming apparatus

#89

20180203403

2018-07-19

End member, photosensitive drum unit, and process cartridge

#90

20180143585

2018-05-24

Image-forming apparatus provided with urging member for urging process cartridge

#91

20180120764

2018-05-03

Cartridge unit having a plurality of supporting portions for supporting a cartridge and a protection cover for protecting a photosensitive drum of the cartridge

#92

20180120758

2018-05-03

Image forming apparatus

#93

20180095414

2018-04-05

Image forming apparatus

#94

20180052422

2018-02-22

Image forming apparatus comprising process cartridge

#95

20180024494

2018-01-25

Apparatus and method for stably detaching a developing unit on an image forming apparatus

#96

20170315504

2017-11-02

Cartridge and image forming apparatus

#97

20170315498

2017-11-02

Developing device and image forming apparatus

#98

20170310883

2017-10-26

Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention

#99

20170308034

2017-10-26

Image forming apparatus

#100

20170261924

2017-09-14

Image forming apparatus having a developing cartridge with mounting interval regulation

#101

20170261921

2017-09-14

Image forming apparatus including a pressing member configured to press a development unit

#102

20170261920

2017-09-14

Image forming apparatus

#103

20170248906

2017-08-31

Developing apparatus with independently rotatable members supporting a developing frame body, process cartridge, and image forming apparatus

#104

20170242394

2017-08-24

Image-forming apparatus provided with urging member for urging process cartridge

#105

20170235275

2017-08-17

Image forming apparatus comprising process cartridge

#106

20170192384

2017-07-06

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#107

20170185027

2017-06-29

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#108

20170185003

2017-06-29

Image forming apparatus

#109

20170097609

2017-04-06

PROCESS CARTRIDGE

#110

20170090411

2017-03-30

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#111

20170090410

2017-03-30

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#112

20170090409

2017-03-30

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#113

20170090408

2017-03-30

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#114

20170090407

2017-03-30

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#115

20170090406

2017-03-30

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#116

20170090405

2017-03-30

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#117

20170075296

2017-03-16

Image forming apparatus and installation or removal of housing including photoreceptors

#118

20170031275

2017-02-02

Image forming apparatus for transferring electrophotographic toner images

#119

20170017191

2017-01-19

Image forming apparatus that ensures improved replacement workability of image carrier unit

#120

20170003646

2017-01-05

Process cartridge

#121

20170003645

2017-01-05

Image forming apparatus and cartridge

#122

20160291537

2016-10-06

Image-forming apparatus provided with urging member for urging process cartridge

#123

20160274536

2016-09-22

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#124

20160231702

2016-08-11

Image forming apparatus comprising process cartridge

#125

20160223975

2016-08-04

Image forming apparatus

#126

20160216687

2016-07-28

Cartridge and image forming apparatus

#127

20160216678

2016-07-28

Image forming apparatus having a developing cartridge with mounting interval regulation

#128

20160209803

2016-07-21

Image forming unit

#129

20160202661

2016-07-14

Image forming apparatus

#130

20160179050

2016-06-23

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

#131

20160026148

2016-01-28

Image forming apparatus

#132

20160018784

2016-01-21

Process cartridge and image forming apparatus

#133

20150346679

2015-12-03

Image forming apparatus with separate support members for removable cartridges

#134

20150286184

2015-10-08

Image forming apparatus including rotatable cartridge supporting member

#135

20150277367

2015-10-01

Process cartridge and image forming apparatus

#136

20150248103

2015-09-03

Positioning structure, component installation structure, and image forming apparatus

#137

20150050043

2015-02-19

Image forming apparatus including photosensitive drum and exposing member movable between exposure position close to drum and separated position separated from the drum

#138

20150003878

2015-01-01

Toner cartridge having positional control features

#139

20140314445

2014-10-23

Process cartridge and electrophotographic image forming apparatus

#140

20140241753

2014-08-28

Image forming apparatus

#141

20140227004

2014-08-14

Image forming apparatus with removable cartridge and movable light emitting member

#142

20140199095

2014-07-17

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

#143

20140169824

2014-06-19

Image forming apparatus having a movable connector

#144

20140147158

2014-05-29

Image forming apparatus

#145

20140086627

2014-03-27

Image forming apparatus, cartridge and image forming apparatus system

#146

20140072332

2014-03-13

Image forming apparatus

#147

20130315621

2013-11-28

Process cartridge having force receiving portion and image forming apparatus including process cartridge

#148

20130170867

2013-07-04

Toner cartridges having positional control features

#149

20130164027

2013-06-27

Image forming apparatus including a photosensitive drum and exposing member movable between an exposure position close to the drum and an evacuation position evacuated from the drum

#150

20130136492

2013-05-30

Process cartridge for an imaging device

#151

20130084085

2013-04-04

Image forming apparatus and cartridge

#152

20130064569

2013-03-14

Process cartridge electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#153

20120294647

2012-11-22

Process cartridge and electrophotographic image forming apparatus

#154

20120275823

2012-11-01

Image forming apparatus

#155

20120243902

2012-09-27

Image forming apparatus with replaceable member

#156

20120219319

2012-08-30

Image forming apparatus

#157

20120195664

2012-08-02

Image forming apparatus having replaceable modules

#158

20120177404

2012-07-12

Process cartridge and electrophotographic image forming apparatus

#159

20120163861

2012-06-28

Process cartridge and electrophotographic image forming apparatus

#160

20120114372

2012-05-10

Detachable unit and image forming apparatus

#161

20120027457

2012-02-02

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

#162

20120027450

2012-02-02

Image forming apparatus using exposure unit of print head system

#163

20110303114

2011-12-15

Slide rail and image forming apparatus with the same

#164

20110299885

2011-12-08

Image forming apparatus having a cartridge and an exposure device that can each be rotated and inclined at different angles to detach the cartridge

#165

20110299882

2011-12-08

Image forming apparatus

#166

20110299873

2011-12-08

Image forming apparatus

#167

20110280621

2011-11-17

Process cartridge and electrophotographic image forming apparatus

#168

20110249984

2011-10-13

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

#169

20110229196

2011-09-22

Process cartridge and image forming apparatus

#170

20110129251

2011-06-02

Process cartridge and electrophotographic image forming apparatus

#171

20110123225

2011-05-26

Process cartridge and electrophotographic image forming apparatus

#172

20110116830

2011-05-19

Image-forming apparatus

#173

20110091239

2011-04-21

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#174

20110076048

2011-03-31

Image forming apparatus including main unit and process cartridge

#175

20100329733

2010-12-30

Image forming apparatus

#176

20100329730

2010-12-30

Image forming apparatus having cover and lock that regulates closure of cover

#177

20100290806

2010-11-18

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

#178

20100221045

2010-09-02

Image forming apparatus

#179

20100215407

2010-08-26

Removable member-holding device and image forming apparatus

#180

20100215396

2010-08-26

Configuration for a cartridge usable in an image forming apparatus

#181

20100215395

2010-08-26

Removable member-holding device and image forming apparatus

#182

20100209138

2010-08-19

Process cartridge and electrophotographic image forming apparatus

#183

20100158565

2010-06-24

Process cartridge and electrophotographic image forming apparatus

#184

20100067944

2010-03-18

Image forming device including a shaft member with regulators provided thereon for breaking up an attachment/detachment operation of an image forming unit

#185

20090297216

2009-12-03

Process cartridge and image forming apparatus

#186

20090297215

2009-12-03

Process cartridge and image forming apparatus

#187

20090297214

2009-12-03

Process cartridge and electrophotographic image forming apparatus

#188

20090290904

2009-11-26

Cartridge and image forming apparatus

#189

20090290903

2009-11-26

Process cartridge with portions to be supported and regulated during insertion of the cartridge into an electrophotographic image forming apparatus

#190

20090180799

2009-07-16

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

#191

20090116869

2009-05-07

Image forming apparatus

#192

20090080934

2009-03-26

Image forming apparatus having a plurality of image forming units

#193

20090074448

2009-03-19

Processing unit for image forming apparatus

#194

20090060569

2009-03-05

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

#195

20090028601

2009-01-29

Image forming apparatus

#196

20090028597

2009-01-29

Image forming apparatus

#197

20080310882

2008-12-18

Image forming apparatus having a guide for guiding at first and/ or second image forming units to be mounting in the apparatus when an openable member is open

#198

20080267666

2008-10-30

Developing device, image forming apparatus, image forming system, cartridge, developing unit and photoconductor unit

#199

20080259364

2008-10-23

IMAGE FORMING APPARATUS

#200

20080152388

2008-06-26

Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

#201

20080138106

2008-06-12

Process cartridge and electrophotographic image forming apparatus

#202

20080138105

2008-06-12

Process cartridge and electrophotographic image forming apparatus

#203

20080080892

2008-04-03

Process cartridge and image forming apparatus

#204

20070206972

2007-09-06

Protective cover, process cartridge employing same, image forming apparatus, and method of installing process cartridge

#205

20070166074

2007-07-19

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE REMOVABLY MOUNTED THERETO

#206

20070147884

2007-06-28

Functional unit locking apparatus and image forming apparatus including the functional unit locking apparatus

#207

20070098438

2007-05-03

Process cartridge and image forming apparatus

#208

20070041744

2007-02-22

Electrophotographic process unit and image forming apparatus

#209

20070036584

2007-02-15

Image forming apparatus and image transferring unit for use in the same

#210

20070036583

2007-02-15

Image forming apparatus with image forming cartridges arranged one above another

#211

20060291899

2006-12-28

Methods and systems for mounting an imaging media cartridge to a printer

#212

20060285879

2006-12-21

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

#213

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

#214

20060216062

2006-09-28

Process cartridge including first and second portions to be positioned and first and second portions to be supported and image forming apparatus detachably mounting such process cartridge

#215

20060216061

2006-09-28

Process cartridge and image forming apparatus

#216

20060210305

2006-09-21

Method and apparatus for image forming capable of effectively positioning a supporting member

#217

20060140667

2006-06-29

Image forming method and apparatus including dismountable cartridges

#218

20050281584

2005-12-22

Image forming apparatus and image transferring unit for use in the same

#219

20050249522

2005-11-10

Process cartridge for image forming apparatus

#220

20050249521

2005-11-10

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

#221

20050220483

2005-10-06

Method for positioning image bearing member unit and roller unit in image forming apparatus

#222

20050220481

2005-10-06

Process cartridge and image forming apparatus

#223

14725224

2016-04-19

Handle and positioning stop assembly for a replaceable unit of an electrophotographic image forming device

#224

14725195

2016-08-09

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

#225

14576777

2016-03-15

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