Patents-Review.com
ClassID:

177710 ⎘

G03G15/09 - CPC Classification

Classification description:

Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush

Sub-classes:
Recent Application in this class:
#1
20250306493
2025-10-02

CARRIER, TWO-COMPONENT DEVELOPING AGENT, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

 #2
20250291276
2025-09-18

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #3
20250028263
2025-01-23

DEVELOPING APPARATUS

 #4
20240393714
2024-11-28

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #5
20240353785
2024-10-24

IMAGE FORMING METHOD AND IMAGE FORMING SYSTEM

 #6
20240069470
2024-02-29

Developing device having enhanced carrier control

 #7
20240019798
2024-01-18

Developing device and image forming apparatus including same

 #8
20230408974
2023-12-21

Image forming apparatus

 #9
20230408973
2023-12-21

Image forming apparatus

 #10
20230288843
2023-09-14

Developing device

 #11
20230195006
2023-06-22

Developing apparatus

 #12
20230034149
2023-02-02

Developing device and image forming apparatus including the same

 #13
20220260940
2022-08-18

Image forming apparatus that executes a mode for driving each of conveyance member and developer carrying member without executing image forming operation

 #14
20220236657
2022-07-28

Magnetic carrier, two-component developer, and developer for replenishment

 #15
20220197181
2022-06-23

Imaging system with control member for conveyance path and developing roller having a peeling pole

 #16
20220146963
2022-05-12

Developing apparatus

 #17
20220128929
2022-04-28

Developing apparatus

 #18
20220107588
2022-04-07

Developer conveyor having helical blades and protrusions

 #19
20220035272
2022-02-03

CONTROLLING SUPPLY OF MAGNETIC MATERIAL

 #20
20220035271
2022-02-03

Developing apparatus having air discharge

 #21
20210389696
2021-12-16

Developing unit, process cartridge, and image forming apparatus using toner to develop toner image

 #22
20210263447
2021-08-26

Magnetic carrier bead separation

 #23
20210165344
2021-06-03

Developing device regulates an amount of developer on a developing sleeve

 #24
20210096482
2021-04-01

Developing device and image forming apparatus

 #25
20210048762
2021-02-18

Developing apparatus

 #26
20210033998
2021-02-04

Developing device with a developer regulator and a stopper

 #27
20210011396
2021-01-14

Developing device, image forming apparatus and method of manufacturing developing device

 #28
20200301312
2020-09-24

Developing apparatus

 #29
20200073270
2020-03-05

Magnetic carrier, two-component developer, developer for replenishment, and image forming method

 #30
20190384206
2019-12-19

Developing apparatus for providing developer to an image bearing member and image forming apparatus having the developing apparatus

 #31
20190317429
2019-10-17

Developing device having magnetic field generating members, image forming apparatus and cartridge

 #32
20190278191
2019-09-12

Toner, image forming apparatus, image forming method, and toner storage unit

 #33
20190243280
2019-08-08

Image forming apparatus having toner density control

 #34
20190235412
2019-08-01

Developing apparatus

 #35
20190219945
2019-07-18

Developing device with developing roller and thickness regulating member and image forming apparatus provided with same

 #36
20190163093
2019-05-30

Electrophotographic image forming device

 #37
20190113863
2019-04-18

Developing apparatus

 #38
20190094732
2019-03-28

Image forming method and toner set for developing electrostatic latent image

 #39
20190086838
2019-03-21

Image forming apparatus with sensor to detect developer in storage container and to detect position of cover for covering internal space where storage container is disposed

 #40
20180321615
2018-11-08

Image forming apparatus

 #41
20180284648
2018-10-04

Developing apparatus, cartridge, and image forming apparatus for suppressing developer leakage of a frame

 #42
20180231903
2018-08-16

Magnetic carrier, two-component developer, replenishing developer, and image forming method

 #43
20180210369
2018-07-26

Developing device

 #44
20180136598
2018-05-17

Image forming apparatus

 #45
20180081299
2018-03-22

Developing device including a capturing member and image forming apparatus

 #46
20180074433
2018-03-15

Developing device that reduces the bending of a developer regulating member when the developer regulating member receives developer pressure or magnetic force

 #47
20180004108
2018-01-04

Toner, developing device, and image forming apparatus

 #48
20170357188
2017-12-14

Developing device and image forming apparatus

 #49
20170336734
2017-11-23

Developing device and image forming apparatus including the same

 #50
20170336733
2017-11-23

Developing device, and image forming apparatus and process cartridge incorporating same

 #51
20170329266
2017-11-16

Image forming apparatus

 #52
20170308001
2017-10-26

Developing apparatus

 #53
20170255129
2017-09-07

Developing device having toner content detection

 #54
20170212448
2017-07-27

Developing device including exhaust passage and blocking member and image forming apparatus

 #55
20170115598
2017-04-27

Developing device, image forming apparatus including developing device, fitting method of coil board to developing device

 #56
20170090342
2017-03-30

Developing device and image forming apparatus and process cartridge incorporating same

 #57
20170075254
2017-03-16

Developing device and image forming apparatus including same

 #58
20170060023
2017-03-02

Developing apparatus

 #59
20170060010
2017-03-02

Magnetic carrier, two-component developer, replenishment developer, and image formation method

 #60
20160378003
2016-12-29

MAGNETIC TONER, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

 #61
20160306301
2016-10-20

Magnetic carrier

 #62
20160306300
2016-10-20

Developing device, process cartridge, and image forming apparatus incorporating same

 #63
20160282754
2016-09-29

Developing device and image forming apparatus including the same

 #64
20160282741
2016-09-29

Image forming method, electrostatic charge image developer set, and image forming apparatus

 #65
20160246212
2016-08-25

Developing device, and image forming apparatus including developing device

 #66
20160238966
2016-08-18

Developing device and image forming apparatus incorporating same

 #67
20160195832
2016-07-07

Image forming apparatus having development contrast control

 #68
20160170357
2016-06-16

Image forming apparatus with forced consumption mode for toner

 #69
20160161879
2016-06-09

Image forming apparatus having a function to apply charge removal light to photosensitive member

 #70
20160147173
2016-05-26

Developing device and image forming apparatus

 #71
20160147172
2016-05-26

Developing device with reverse rotation control, image forming apparatus, and method for controlling developing device

 #72
20160109829
2016-04-21

Developing device and image forming device provided with same

 #73
20160062275
2016-03-03

DEVELOPING APPARATUS

 #74
20160016179
2016-01-21

Powder purging apparatus and method

 #75
20150301473
2015-10-22

Developing roller and developing apparatus and image forming apparatus using the same

 #76
20150261133
2015-09-17

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

 #77
20150253690
2015-09-10

Developing device

 #78
20150253689
2015-09-10

Developing unit

 #79
20150227078
2015-08-13

Developing device and image forming apparatus

 #80
20150220017
2015-08-06

Developing device and image forming apparatus

 #81
20150177651
2015-06-25

Developing roller, developing device, image forming apparatus, and manufacturing method of developing roller

 #82
20150177644
2015-06-25

Developing roller, developing device, and image forming apparatus including developing device

 #83
20150177643
2015-06-25

Developing roller, developing device, and image forming apparatus including developing device

 #84
20150177642
2015-06-25

Developing roller, developing device, and image forming apparatus including developing device

 #85
20150153677
2015-06-04

Developing apparatus having aligned regulating member

 #86
20150139700
2015-05-21

Image forming apparatus

 #87
20150125185
2015-05-07

Developing apparatus and image forming apparatus having a conveying member with multiple screw portions

 #88
20150104220
2015-04-16

Developing apparatus

 #89
20150043948
2015-02-12

Layer thickness regulating member, developing device and process cartridge

 #90
20150023700
2015-01-22

Developing device, image forming apparatus, and process cartridge

 #91
20150003879
2015-01-01

Image forming apparatus and developing device

 #92
20140369718
2014-12-18

Developing device and image forming apparatus

 #93
20140356030
2014-12-04

Developing device and image forming apparatus and process cartridge incorporating same

 #94
20140348543
2014-11-27

Image forming apparatus

 #95
20140294407
2014-10-02

Image forming apparatus

 #96
20140270838
2014-09-18

Developing device and image forming apparatus incorporating same

 #97
20140255047
2014-09-11

Image forming apparatus

 #98
20140161493
2014-06-12

Developing device and image forming apparatus

 #99
20140086641
2014-03-27

Two-component developer, developing device, and image forming apparatus

 #100
20140056622
2014-02-27

DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

 #101
20140023403
2014-01-23

Developer conveyance device, development device, and image forming apparatus

 #102
20130322896
2013-12-05

Image forming device having a toner supply control portion

 #103
20130302068
2013-11-14

Developing device, assembly, and image forming apparatus with a biasing member

 #104
20130302053
2013-11-14

Image forming apparatus with developer bearing member velocity control

 #105
20130287449
2013-10-31

Developing device and image forming apparatus

 #106
20130279945
2013-10-24

Developing device to form a uniform developer layer on a developing member and electrophotographic image forming apparatus using the same

 #107
20130272751
2013-10-17

Image forming apparatus

 #108
20130251413
2013-09-26

Image forming apparatus

 #109
20130243489
2013-09-19

Developing apparatus

 #110
20130230341
2013-09-05

Developing device and image-forming apparatus

 #111
20130195516
2013-08-01

Developing device and image forming apparatus

 #112
20130195514
2013-08-01

Image forming apparatus

 #113
20130195484
2013-08-01

Image forming apparatus

 #114
20130183067
2013-07-18

DEVICE, SYSTEM AND METHOD FOR PRODUCING A MAGNETICALLY INDUCED VISUAL EFFECT

 #115
20130183052
2013-07-18

Developing apparatus having controller for controlling drive time of screw member

 #116
20130164671
2013-06-27

Developing apparatus and developing method

 #117
20130164044
2013-06-27

Developing apparatus, developing method and magnetic toner for developing apparatus

 #118
20130142527
2013-06-06

Image forming apparatus having toner supply control

 #119
20130129376
2013-05-23

Developing device

 #120
20130108310
2013-05-02

Developing device and image forming apparatus comprising same

 #121
20130101320
2013-04-25

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

 #122
20130101316
2013-04-25

Method for transferring developer

 #123
20130071146
2013-03-21

Developing device and image forming apparatus with layer thickness restricting member to restrict thickness of developer on magnetic roller

 #124
20130071145
2013-03-21

Developing device and image forming apparatus provided with same

 #125
20130051842
2013-02-28

Developing apparatus having a magnetic seal

 #126
20130040236
2013-02-14

Carrier for two-component developer, two-component developer, image forming method, and image forming apparatus

 #127
20130017002
2013-01-17

DEVELOPER LAYER RESTRICTION MEMBER AND DEVELOPMENT APPARATUS

 #128
20130016998
2013-01-17

Developing device

 #129
20120321355
2012-12-20

Development device

 #130
20120243912
2012-09-27

Developing device including blade for regulating a developer layer

 #131
20120230737
2012-09-13

Developing device, visible image forming device, and image forming apparatus

 #132
20120219326
2012-08-30

Development device, and image forming apparatus and process cartridge incorporating same

 #133
20120214098
2012-08-23

Carrier for two-component developer, two-component developer, image forming method, and image forming apparatus

 #134
20120195646
2012-08-02

Supplying electrophotographic toning member using ribbon blender

 #135
20120189350
2012-07-26

Development device, developer container, and image forming apparatus

 #136
20120163845
2012-06-28

Image forming apparatus

 #137
20120114348
2012-05-10

Image forming apparatus having controllable potential difference

 #138
20120099905
2012-04-26

Developing apparatus and image forming apparatus having a magnetic field generating member

 #139
20120099900
2012-04-26

Developing device having dual feeding chambers

 #140
20120093543
2012-04-19

ELECTROSTATIC LATENT IMAGE DEVELOPER, METHOD FOR FORMING IMAGE, AND IMAGE FORMING APPARATUS

 #141
20120051796
2012-03-01

Development unit, image forming apparatus, and gap adjusting method

 #142
20120051792
2012-03-01

Developing device and image forming apparatus

 #143
20120027470
2012-02-02

Developing device and image forming apparatus including the same

 #144
20120015291
2012-01-19

Electrostatic image developing carrier, electrostatic image developer, image-forming method, developer cartridge, process cartridge, and image forming apparatus

 #145
20120003021
2012-01-05

Printer having an alternate scavenger geometry

 #146
20120003014
2012-01-05

Developing device and image forming device

 #147
20120000332
2012-01-05

Fabrication on of an alternate scavenger geometry

 #148
20110311263
2011-12-22

DEVELOPING DEVICE TO PREVENT SCATTERING OF TONER

 #149
20110229215
2011-09-22

DEVELOPING DEVICE, ASSEMBLY, AND IMAGE FORMING APPARATUS

 #150
20110222918
2011-09-15

Developing device, assembly body, and image forming apparatus

 #151
20110217085
2011-09-08

Developing apparatus, process cartridge, and image forming apparatus

 #152
20110206420
2011-08-25

Developing device and image forming apparatus having developer chute composed of stainless steel plate having regions with austenitic and hemming-induced martensitic phases

 #153
20110176840
2011-07-21

Developing device and image forming apparatus provided therewith

 #154
20110158702
2011-06-30

ALTERNATE SCAVENGER GEOMETRY THAT PROMOTES CARRIER RETURN BACK INTO THE DEVELOPMENT STATION

 #155
20110097116
2011-04-28

Developing device and image forming apparatus

 #156
20110091248
2011-04-21

Image forming apparatus

 #157
20100316417
2010-12-16

Developer system and method for providing a stable flow rate of developer in an electrographic printer

 #158
20100316416
2010-12-16

SYSTEM AND METHOD FOR PROVIDING A STABLE AND HIGH FLOW RATE OF DEVELOPER IN AN ELECTROGRAPHIC PRINTER

 #159
20100247164
2010-09-30

Developing device

 #160
20100247162
2010-09-30

Developer station for an electrographic printer having reduced developer agitation

 #161
20100247154
2010-09-30

DEVELOPER STATION WITH AUGER SYSTEM

 #162
20100247152
2010-09-30

Developing unit containing a reduction portion and image forming apparatus using the developing unit

 #163
20100247151
2010-09-30

Developing unit having a magnet member and image forming apparatus including the developing unit

 #164
20100226673
2010-09-09

Image forming apparatus including image bearing member surface abrassion control feature

 #165
20100215401
2010-08-26

Development device, process cartridge, and image forming apparatus

 #166
20100209127
2010-08-19

Image forming apparatus including counter-rotating developing rollers and controlling method

 #167
20100111575
2010-05-06

Trimming system for stabilizing image quality for high performance magnetic brush development

 #168
20100104329
2010-04-29

MAGNETIC CARRIER, TWO COMPONENT DEVELOPER, DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

 #169
20100074655
2010-03-25

Developing device and image forming apparatus and developer conveying method using the same

 #170
20100067958
2010-03-18

Image forming method and image forming apparatus

 #171
20100061772
2010-03-11

Toner cartridge and image forming apparatus using the same

 #172
20090297229
2009-12-03

Image forming apparatus

 #173
20090279922
2009-11-12

Developer station with smoothing device and method for operating a developer station

 #174
20090257784
2009-10-15

Supplying and discharging developer in an image forming apparatus, process cartridge and developing device

 #175
20090252538
2009-10-08

Developer units, electrophotographic apparatuses and methods of supplying developer material to photoconductive members

 #176
20090232532
2009-09-17

Developing device, image forming apparatus, and process cartridge

 #177
20090180810
2009-07-16

Image forming apparatus

 #178
20090175661
2009-07-09

Developing device and image forming apparatus

 #179
20090169269
2009-07-02

Developing unit, developing device and image forming apparatus for peeling off magnetic developer

 #180
20090169229
2009-07-02

Image forming apparatus, image forming method, image forming computer program, and computer readable storage medium containing the program

 #181
20090136267
2009-05-28

Magnetic scavenger for an electrostatographic printer

 #182
20090116878
2009-05-07

COLOR SWITCHING ARCHITECTURE

 #183
20090103943
2009-04-23

DEVELOPER, DEVELOPING DEVICE, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD

 #184
20090075196
2009-03-19

TONER, ELECTROSTATIC LATENT IMAGE DEVELOPER, MAGNETIC LATENT IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #185
20090074473
2009-03-19

Method of manufacturing a developing agent regulating member for regulating an amount of a developing agent

 #186
20090067890
2009-03-12

Image forming apparatus having a controller for controlling a developer

 #187
20080310885
2008-12-18

Developing device forming toner layer by magnetic brush and image forming apparatus using same

 #188
20080273885
2008-11-06

Image forming apparatus for maintaining a uniform toner concentration

 #189
20080240795
2008-10-02

Developing Device Used In An Image Forming Apparatus

 #190
20080205943
2008-08-28

Developing device and image forming apparatus

 #191
20080124642
2008-05-29

TONER FOR DEVELOPMENT OF ELECTROSTATIC LATENT IMAGE

 #192
20080089724
2008-04-17

Developing roller, and developing device and image-forming apparatus using the same

 #193
20080089722
2008-04-17

Developing apparatus including a cylindrical developer carrying member conveying a magnetic mono-component developer

 #194
20080081278
2008-04-03

Carrier for electrostatic image development, and image formation method and apparatus

 #195
20080056747
2008-03-06

Developing device, process cartridge and image forming apparatus to inhibit the increase of the rate of uncharged toner during prolonged operation

 #196
20080050137
2008-02-28

Development device and process cartridge including development device

 #197
20080025739
2008-01-31

Environmental controls for operation of an electrostatographic developer unit having multiple magnetic brush rolls

 #198
20070292167
2007-12-20

Composite trim bar for developer system

 #199
20070292166
2007-12-20

Electrostatographic developer unit having multiple magnetic brush rolls with a magnetic restrictor for carrier particle emission control

 #200
20070238043
2007-10-11

Developing method and developing assembly

 #201
20070217802
2007-09-20

Developing device adjustment method

 #202
20070206974
2007-09-06

Developing device and image forming apparatus

 #203
20070196139
2007-08-23

Image-forming apparatus

 #204
20070196138
2007-08-23

Developer transporting amount controlling member, developing apparatus, imaging apparatus, and method for exchanging developing unit

 #205
20070172262
2007-07-26

Developing device and electrophotographic apparatus using the same

 #206
20070140749
2007-06-21

DEVELOPING DEVICE FOR DEVELOPING A LATENT IMAGE USING A TWO-COMPONENT DEVELOPER

 #207
20070140748
2007-06-21

Image forming apparatus, and carrier, toner and developer used therein for reducing foggy images

 #208
20070122209
2007-05-31

Hybrid type image forming apparatus

 #209
20070122208
2007-05-31

Two component development system using ion or electron charged toner

 #210
20070104517
2007-05-10

Image forming apparatus and color image forming apparatus

 #211
20070098449
2007-05-03

Developing apparatus, process cartridge, and image forming apparatus

 #212
20070098448
2007-05-03

Developer housing design with improved sump mass variation latitude

 #213
20070092306
2007-04-26

Development apparatus, image-forming apparatus and developing method using reverse polarity particles

 #214
20070077102
2007-04-05

Developing unit, image forming apparatus method that supplies inverse transfer preventing agent with inverse polarity

 #215
20070025777
2007-02-01

Magnet roller developing device and image forming apparatus for reducing obstructions in developer circulation path

 #216
20060239723
2006-10-26

Developing apparatus

 #217
20060222995
2006-10-05

Method of forming fixed images

 #218
20060177243
2006-08-10

Image forming apparatus

 #219
20060166127
2006-07-27

Image forming method and image forming apparatus

 #220
20060147830
2006-07-06

Electrophotographic toner containing polyalkylene wax or high crystallinity wax

 #221
20060133858
2006-06-22

Image forming apparatus, developing apparatus, and finely-divided toner particle collecting apparatus

 #222
20060127136
2006-06-15

Developing device and process cartridge for an image forming apparatus

 #223
20060120768
2006-06-08

Method and apparatus for developing a latent image using toner grains constituting a developer

 #224
20060120758
2006-06-08

Charging apparatus, process cartridge, and image forming apparatus

 #225
20060115761
2006-06-01

Image forming method and image forming apparatus

 #226
20060088778
2006-04-27

Image forming method, image forming apparatus and organic photoreceptor

 #227
20060063093
2006-03-23

Developing method, developing device, and process cartridge and image forming apparatus using the developing device

 #228
20060062599
2006-03-23

Image forming apparatus and color image forming apparatus

 #229
20060035162
2006-02-16

Method for developing an electrostatic latent image

 #230
20060029432
2006-02-09

Developing apparatus

 #231
20060029431
2006-02-09

Developing apparatus having particular structural arrangement of developer carrying members

 #232
20060024092
2006-02-02

Developing device used in an image forming apparatus

 #233
20050281593
2005-12-22

Magnetic carrier, two-component developer, development method, development device and image forming apparatus of electrophotography

 #234
20050276635
2005-12-15

Developing device and image forming apparatus for suppressing toner-clumps

 #235
20050271428
2005-12-08

Image forming apparatus

 #236
20050244737
2005-11-03

Image forming method and image forming apparatus

 #237
20050202164
2005-09-15

Powder coating apparatus and method of powder coating using an electromagnetic brush

 #238
20050164111
2005-07-28

Electrophotographic toner containing polyalkylene wax or high crystallinity wax

 #239
20050163520
2005-07-28

Method and system for providing process control in reproduction devices

 #240
20050152718
2005-07-14

Developing apparatus featuring a developer carrying member with an elastic surface layer

 #241
20050078982
2005-04-14

Image forming apparatus to control a linear velocity ratio

 #242
20050053856
2005-03-10

Magnetic toner, and developing apparatus and image forming apparatus using it

 #243
20050031382
2005-02-10

Developer sleeve coating

 #244
20050002701
2005-01-06

Developing device, image forming apparatus, and process cartridge

 #245
14677327
2016-05-10

Carrier for two component development system

 #246
14495966
2015-12-08

Reducing toning spacing sensitivity