G03G2221/1815 - CPC Classification Index

#1

20260010115

2026-01-08

IMAGE FORMING APPARATUS

#2

20250278052

2025-09-04

IMAGE FORMING APPARATUS

#3

20250231518

2025-07-17

HOLD DOWN ASSEMBLY FOR A DEVELOPER UNIT OF AN IMAGE FORMING DEVICE

#4

20230305485

2023-09-28

Image-forming device having guide to guide drawer supporting developing units in main casing

#5

20220269216

2022-08-25

Image-forming device having guide to guide drawer supporting developing units in main casing

#6

20220128944

2022-04-28

Image forming apparatus, image forming cartridge supporter, and image forming unit

#7

20220043370

2022-02-10

Powder container, developing device, and image forming apparatus with multiple joints to prevent leakage

#8

20210080899

2021-03-18

Image-forming device having guide to guide drawer supporting developing units in main casing

#9

20210063951

2021-03-04

Image forming apparatus, image forming cartridge supporter, and image forming unit

#10

20200110356

2020-04-09

Image-forming device having guide to guide drawer supporting developing units in main casing

#11

20200081393

2020-03-12

Image forming apparatus, image forming cartridge supporter, and image forming unit

#12

20190121284

2019-04-25

Image-forming device having guide to guide drawer supporting developing units in main casing

#13

20190011873

2019-01-10

Image forming apparatus, image forming cartridge supporter, and image forming unit

#14

20180335721

2018-11-22

Image forming apparatus including developing devices, developing containers, and changeable conveyance paths between the developing devices and the developing containers

#15

20180246461

2018-08-30

Electrode and image forming apparatus including the same

#16

20180173156

2018-06-21

Toner container configured to be attachable to and detachable from a toner replenishing portion and a waste toner collecting portion

#17

20180074453

2018-03-15

Image-forming device having guide to guide drawer supporting developing units in main casing

#18

20170308031

2017-10-26

Image forming apparatus, image forming cartridge supporter, and image forming unit

#19

20170010579

2017-01-12

Image-forming device having guide to guide drawer supporting developing units in main casing

#20

20160223982

2016-08-04

Image forming apparatus, image forming cartridge supporter, and image forming unit

#21

20160085205

2016-03-24

Image-forming device having guide to guide drawer supporting developing units in main casing

#22

20150323885

2015-11-12

Drum unit for supporting developer cartridge that includes developing roller

#23

20150248106

2015-09-03

Pressing mechanism for a developing cartridge

#24

20150003869

2015-01-01

Image forming apparatus having supporting member movable in and out of main assembly of apparatus for supporting developer cartridge

#25

20140376960

2014-12-25

Image-forming device having guide to guide drawer supporting developing units in main casing

#26

20140363203

2014-12-11

Developing cartridge and method for manufacturing the same

#27

20140363202

2014-12-11

Developing cartridge and method for manufacturing the same

#28

20140363201

2014-12-11

Developing cartridge and method for manufacturing the same

#29

20140363200

2014-12-11

Developing cartridge and method for manufacturing the same

#30

20140363199

2014-12-11

Developing cartridge and method for manufacturing the same

#31

20140308054

2014-10-16

Image forming apparatus, image forming cartridge supporter, and image forming unit

#32

20140212171

2014-07-31

Pressing mechanism for a developing cartridge

#33

20140105638

2014-04-17

Cartridge detachably mounted on main casing

#34

20140023407

2014-01-23

Image forming apparatus having supporting member movable in and out of main assembly of apparatus for supporting developer cartridge

#35

20130287425

2013-10-31

Developer cartridge

#36

20130183066

2013-07-18

Image-forming device capable of positioning developing unit and developer cartridge precisely

#37

20120328333

2012-12-27

Image forming apparatus component positioning mechanism

#38

20120301185

2012-11-29

Image forming apparatus, image forming cartridge supporter, and image forming unit

#39

20120301184

2012-11-29

Imaging Cartridge With Venting Fill Port

#40

20120301183

2012-11-29

Article of consumption and image forming apparatus having the same

#41

20120251173

2012-10-04

Image-forming device that separates developing units from photosentive members

#42

20120183329

2012-07-19

Image-forming device capable of positioning developing unit and developer cartridge precisely

#43

20120163836

2012-06-28

Image forming apparatus in which genuine cartridge with and without memory device are usable

#44

20120134688

2012-05-31

New/used cartridge detection

#45

20120107014

2012-05-03

Image forming apparatus have a cover and a pressing mechanism for pressing a developing cartridge when closing the cover

#46

20120014720

2012-01-19

Image forming apparatus, image forming cartridge supporter, and image forming unit

#47

20120014712

2012-01-19

Photoconductive Drum Supports

#48

20110262188

2011-10-27

Mounting structure of removable member, and image forming apparatus

#49

20110249985

2011-10-13

Color electrophotographic image forming apparatus

#50

20110200359

2011-08-18

Developing unit comprising movement member capable of rotating

#51

20110200340

2011-08-18

Image forming apparatus with controller controlling an image forming operation

#52

20110158687

2011-06-30

Developing cartridge and method for manufacturing the same

#53

20110116811

2011-05-19

Remotely Located Connection Pads for Activating an Imaging Machine

#54

20110103835

2011-05-05

Developing cartridge having a detachable cover

#55

20110103834

2011-05-05

Development cartridge

#56

20110103833

2011-05-05

Development cartridge and image forming apparatus

#57

20110103812

2011-05-05

Image forming apparatus

#58

20110064475

2011-03-17

Recycling image forming apparatus

#59

20110044723

2011-02-24

Image-forming device capable of positioning developing unit and developer cartridge precisely

#60

20110026968

2011-02-03

Photosensitive member cartridge for holding photosensitive member and mounting developing cartridges

#61

20100310273

2010-12-09

Imaging Cartridge Guiding Structure

#62

20100278544

2010-11-04

SYSTEM AND METHOD FOR ENSURING THAT ONLY A SPECIFIC TONER IS USED FOR PRINTING A DOCUMENT

#63

20100272473

2010-10-28

Powder supply device and image forming apparatus

#64

20100254727

2010-10-07

Imaging cartridge having a hopper supported by a wastebin

#65

20100247141

2010-09-30

Enhanced Imaging Cartridge

#66

20100221035

2010-09-02

Method of Remanufacturing an Imaging Cartridge

#67

20100196048

2010-08-05

Image forming apparatus, image forming cartridge supporter, and image forming unit

#68

20100166457

2010-07-01

Image forming apparatus having pivoting member

#69

20100162842

2010-07-01

Imaging Cartridge Drive Having a Tapered Locating Structure

#70

20100143012

2010-06-10

Connection of Imaging Cartridge Components

#71

20100142995

2010-06-10

Process cartridge and developing cartridge

#72

20100142994

2010-06-10

Image forming apparatus with improved accuracy in forming a gap between a developing unit and a photoreceptor drum

#73

20100135691

2010-06-03

Color electrophotographic image forming apparatus with gripping portions for cartridges

#74

20100119256

2010-05-13

Image forming device and developing unit with movement member

#75

20100061761

2010-03-11

Universal Imaging Catridge System

#76

20100053683

2010-03-04

Universal Imaging Cartridge Chip

#77

20100021211

2010-01-28

Image forming apparatuses having specialized toner structures and materials

#78

20090324283

2009-12-31

Image-forming device that separates developing units from photosensitive members

#79

20090214248

2009-08-27

Image forming apparatus having a mounting/demounting structure

#80

20090214229

2009-08-27

Image forming apparatus to adjust driving rate of a supply unit and controlling method of the same

#81

20090136242

2009-05-28

Image forming apparatus having accurate internal temperature control

#82

20090097868

2009-04-16

Image forming apparatus

#83

20090087224

2009-04-02

Developing unit

#84

20090087215

2009-04-02

Developer cartridge and developing unit having shutter for controlling supply of developer therebetween

#85

20090052940

2009-02-26

IMAGING CARTRIDGE AND IMAGE FORMING APPARATUS

#86

20090052938

2009-02-26

Image forming apparatus component positioning mechanism

#87

20090028583

2009-01-29

Image forming apparatus and method

#88

20090022522

2009-01-22

Toner cartridge and mechanism of installing and removing the same

#89

20090016768

2009-01-15

Article of consumption and image forming apparatus having the same

#90

20080317510

2008-12-25

Toner cartridge locking apparatus, image forming apparatus having the same, toner cartridge, and mounting and dismounting method for a toner cartridge

#91

20080292357

2008-11-27

Image Forming Apparatus, Computer-Readable Medium, Image Forming System, and Image Forming Method

#92

20080267666

2008-10-30

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

#93

20080267660

2008-10-30

Apparatus and method for driving a machine in a replaceable cartridge

#94

20080260433

2008-10-23

Stabilizer for a toner cartridge and related method

#95

20080212994

2008-09-04

User-friendly imaging cartridge

#96

20080187356

2008-08-07

Guide Bearing Attachment for a Rotatable Element and a Developer Roller Incorporating Same

#97

20080181661

2008-07-31

Developing device and toner cartridge

#98

20080175627

2008-07-24

Image-forming device capable of positioning developing unit and developer cartridge precisely

#99

20080145111

2008-06-19

Imaging cartridge having a universal body

#100

20080145110

2008-06-19

Bearing and locating member for a toner cartridge for use with an image forming device

#101

20080138108

2008-06-12

Process cartridge in image-forming device

#102

20080124122

2008-05-29

Resiliently Biased Developing Cartridge

#103

20080118253

2008-05-22

Image forming apparatus in which genuine cartridge with and without memory device are usable

#104

20070297815

2007-12-27

Image forming apparatus

#105

20070279647

2007-12-06

Image forming apparatus for determining the authenticity of an exchange part

#106

20070196114

2007-08-23

Image forming apparatus and developer cartridge having light transmitting portion to allow amount of developer to be detected

#107

20070147890

2007-06-28

Developing unit comprising movement member capable of moving between housing position and protruding position and image forming device

#108

20070077101

2007-04-05

Toner container with grippable recesses and image forming apparatus having such a toner container

#109

20070077087

2007-04-05

Image forming apparatus, process unit and developing cartridge

#110

20070077086

2007-04-05

Pressing mechanism for a developing cartridge

#111

20070071482

2007-03-29

Image forming apparatus, image forming cartridge supporter, and image forming unit

#112

20070071480

2007-03-29

Developing cartridge, process cartridge, and image forming apparatus

#113

20070065182

2007-03-22

Image forming apparatus with image forming unit nearly orthogonal to developer supply unit

#114

20070059037

2007-03-15

Image forming apparatus featuring pull-out developing and sheet feeding devices

#115

20070036591

2007-02-15

Image-forming device and developing unit used therein

#116

20070036579

2007-02-15

Cleaning unit with a light beam path for the passage of a light beam

#117

20070031158

2007-02-08

Image forming apparatus, image forming unit and developer cartridge

#118

20070025761

2007-02-01

Image forming apparatus

#119

20070019987

2007-01-25

Integrated Toner Cartridge

#120

20070014592

2007-01-18

Ergonomic toner cartridge

#121

20060280514

2006-12-14

Developing unit, image forming device, and developing bias control method

#122

20060275051

2006-12-07

Method and apparatus for converting process cartridges to fit various types of printing machines

#123

20060269299

2006-11-30

Apparatus and method for controlling laser scanning unit

#124

20060204252

2006-09-14

Electronic apparatus, replacement unit, and electronic apparatus control method

#125

20060204251

2006-09-14

Setting parameter modifying apparatus and image forming apparatus comprising same

#126

20060193644

2006-08-31

Image forming apparatus and developer cartridge

#127

20060193643

2006-08-31

Image forming apparatus and detachably mountable developer cartridge

#128

20060188275

2006-08-24

System and method for adjusting toner consumption

#129

20060182452

2006-08-17

Image forming apparatus and method for detecting the color information and positions of developing units

#130

20060171736

2006-08-03

Developing device, image forming apparatus, image forming system, and method of assembling developer supplying roller

#131

20060153599

2006-07-13

Structure preventing the use of an unauthorized circuit board

#132

20060093399

2006-05-04

Process cartridge in image-forming device

#133

20060062603

2006-03-23

Process cartridge usable with an image forming apparatus and including a shutter

#134

20060051125

2006-03-09

Image forming apparatus

#135

20060013620

2006-01-19

Toner cartridge and mechanism of installing and removing the same

#136

20060002734

2006-01-05

Method and apparatus for converting process cartridges to fit various types of printing machines

#137

20050244187

2005-11-03

Two-station type color image forming apparatus with separately replaceable components

#138

20050232645

2005-10-20

Image forming apparatus and method for detecting the color information and positions of developing units

#139

20050185983

2005-08-25

Electrophotographic image forming apparatus

#140

20050185982

2005-08-25

Method and apparatus for converting process cartridges to fit various types of printing machines

#141

20050163536

2005-07-28

Toner cartridge having a sifting agitator

#142

20050163530

2005-07-28

Integrated toner cartridge with toner agitator and sensing device

#143

20050135838

2005-06-23

Removable toner cartridge universal adapter

#144

20050036796

2005-02-17

System and method for adjusting toner consumption