Patents-Review.com
ClassID:

177657 ⎘

G03G15/0806 - CPC Classification

Classification description:

Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller

Sub-classes:
Recent Application in this class:
#1
20260010096
2026-01-08

DEVELOPING CARTRIDGE

 #2
20250341796
2025-11-06

DEVELOPING CARTRIDGE HAVING ELECTRODE

 #3
20250278035
2025-09-04

IMAGE FORMING APPARATUS

 #4
20250231504
2025-07-17

IMAGE FORMING APPARATUS

 #5
20250189916
2025-06-12

VOLTAGE SUPPLYING DEVICE, DEVELOPER RECOVERY DEVICE, AND IMAGE FORMING APPARATUS

 #6
20250147451
2025-05-08

DEVELOPER CARTRIDGE PROVIDED WITH GEAR HAVING ENGAGEMENT PORTIONS

 #7
20250138472
2025-05-01

IMAGE FORMING APPARATUS

 #8
20250130517
2025-04-24

DEVELOPER CARTRIDGE

 #9
20250076804
2025-03-06

IMAGE FORMING APPARATUS

 #10
20250053117
2025-02-13

DRUM CARTRIDGE HAVING MOVABLE FIRST HOUSING, IMMOVABLE SECOND HOUSING, AND GASKET SEALING THEREBETWEEN, AND IMAGE-FORMING APPARATUS USING THE SAME

 #11
20250028276
2025-01-23

IMAGE CARRIER UNIT AND IMAGE FORMING APPARATUS

 #12
20250028261
2025-01-23

PRINTING EQUIPMENT FOR METAL MATERIAL HAVING EXCELLENT PRINT QUALITY, PRINTING METHOD AND PRINTED METAL MATERIAL OBTAINED THEREFROM

 #13
20250013189
2025-01-09

DEVELOPING CARTRIDGE

 #14
20250004418
2025-01-02

PHOTOSENSITIVE MEMBER UNIT AND DEVELOPMENT UNIT

 #15
20240393740
2024-11-28

Developing cartridge

 #16
20240393736
2024-11-28

IMAGE FORMING APPARATUS

 #17
20240369968
2024-11-07

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

 #18
20240369967
2024-11-07

Process cartridge and image forming apparatus

 #19
20240361721
2024-10-31

DEVELOPING DEVICE WITH STRUCTURE TO REGULATE DISCHARGING AMOUNT OF DEVELOPER

 #20
20240345539
2024-10-17

IMAGE FORMING APPARATUS CAPABLE OF PROTECTING CONFIGURATION FOR COOLING DEVELOPING DEVICE

 #21
20240280923
2024-08-22

Developing cartridge having electrode

 #22
20240241476
2024-07-18

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

 #23
20240210875
2024-06-27

Process cartridge and image forming apparatus

 #24
20240201626
2024-06-20

METAL MATERIAL PRINTING EQUIPMENT AND PRINTING METHOD, AND PRINTED METAL MATERIAL OBTAINED THEREFROM

 #25
20240192622
2024-06-13

Image forming apparatus

 #26
20240085818
2024-03-14

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

 #27
20240027933
2024-01-25

Image forming apparatus member, transfer device, and image forming apparatus

 #28
20240027931
2024-01-25

Image forming apparatus having controller to control potential bias applied between developing roller and supply roller according to cumulative drive time

 #29
20230418218
2023-12-28

Photosensitive member unit and development unit

 #30
20230418205
2023-12-28

Image forming apparatus

 #31
20230314983
2023-10-05

Channel state information measurements for license assisted access

 #32
20230314981
2023-10-05

Image forming apparatus having controller to control movement of pressing member for pressing the inner surface of transfer belt

 #33
20230280673
2023-09-07

Developer cartridge

 #34
20230273570
2023-08-31

Process cartridge and image forming apparatus

 #35
20230176499
2023-06-08

Developer cartridge provided with gear having engagement portions

 #36
20230168607
2023-06-01

Conveyance member, conveyance device, powder supply container, and powder utilization device

 #37
20230152728
2023-05-18

Developing cartridge having electrode

 #38
20230089182
2023-03-23

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

 #39
20230065299
2023-03-02

Developing unit

 #40
20230023224
2023-01-26

Photosensitive member unit and development unit

 #41
20220413413
2022-12-29

Image forming apparatus

 #42
20220413405
2022-12-29

Image forming method and image forming system

 #43
20220283536
2022-09-08

Developing apparatus, process cartridge, and image forming apparatus

 #44
20220244658
2022-08-04

Electrophotographic electro-conductive member, process cartridge, and electrophotographic image forming device

 #45
20220236680
2022-07-28

Color measurement device that avoids dirt on reference surface of white reference plate and image forming apparatus

 #46
20220236663
2022-07-28

Developing apparatus, electrophotography process cartridge, and electrophotographic image forming apparatus

 #47
20220146964
2022-05-12

Cleaning surfaces for print apparatus

 #48
20220146960
2022-05-12

Developer cartridge

 #49
20220121136
2022-04-21

IMAGE FORMING APPARATUS

 #50
20220082956
2022-03-17

Developing device and image forming apparatus incorporating same

 #51
20220066386
2022-03-03

Process cartridge and image forming apparatus

 #52
20210373455
2021-12-02

Developing cartridge having electrode

 #53
20210364982
2021-11-25

Photosensitive member unit and development unit

 #54
20210325822
2021-10-21

Developing cartridge including holder movably supporting electrical contact surface

 #55
20210302892
2021-09-30

Adjusting mechanism of image forming apparatus

 #56
20210294245
2021-09-23

Cleaning surfaces for print apparatus

 #57
20210278800
2021-09-09

Process cartridge

 #58
20210263463
2021-08-26

Developing apparatus, process cartridge, and image forming apparatus

 #59
20210223714
2021-07-22

Developing roll for electrophotographic device

 #60
20210191289
2021-06-24

Developing cartridge having electrode

 #61
20210173325
2021-06-10

Image forming apparatus

 #62
20210165359
2021-06-03

Cartridge, mounting method for coupling member, and disassemblying method for coupling member

 #63
20210165342
2021-06-03

Developer cartridge

 #64
20210141332
2021-05-13

Developing cartridge having a guide projecting from a frame body

 #65
20210116836
2021-04-22

Imaging device

 #66
20210072690
2021-03-11

Image forming apparatus and system that reduce defects caused by residual toner

 #67
20210055671
2021-02-25

Developer cartridge provided with gear having engagement portions

 #68
20210011429
2021-01-14

Process cartridge and image forming apparatus

 #69
20210011428
2021-01-14

Process cartridge and image forming apparatus

 #70
20210011394
2021-01-14

Developing cartridge having electrode

 #71
20210003960
2021-01-07

Developing cartridge including holder movably supporting electrical contact surface

 #72
20200393777
2020-12-17

Image forming apparatus containing a toner supply bottle having a single bottle body and a supply unit provided near one end of the bottle body

 #73
20200378753
2020-12-03

Measuring device, image forming apparatus, and measuring method

 #74
20200348622
2020-11-05

Developing apparatus

 #75
20200341429
2020-10-29

Photosensitive member unit and development unit

 #76
20200333742
2020-10-22

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

 #77
20200301335
2020-09-24

Image-forming apparatus including cam and cam follower for moving developing roller toward and away from photosensitive drum

 #78
20200278621
2020-09-03

Image forming apparatus

 #79
20200264532
2020-08-20

Developing cartridge having electrode

 #80
20200264531
2020-08-20

Developing cartridge having electrode

 #81
20200257236
2020-08-13

Image forming apparatus

 #82
20200249615
2020-08-06

DRIVE TRANSMITTING MEMBER, DRIVE TRANSMITTING DEVICE, AND IMAGE FORMING APPARATUS

 #83
20200233375
2020-07-23

Process cartridge

 #84
20200233334
2020-07-23

Channel state information measurements for license assisted access

 #85
20200218193
2020-07-09

Process cartridge

 #86
20200209782
2020-07-02

Developer container, process cartridge, and image forming apparatus

 #87
20200142352
2020-05-07

Developing cartridge including holder movably supporting electrical contact surface

 #88
20200142349
2020-05-07

Cartridge, mounting method for coupling member, and disassembling method for coupling member

 #89
20200125002
2020-04-23

Developing device and image forming apparatus

 #90
20200110348
2020-04-09

IMAGE FORMING APPARATUS

 #91
20200103779
2020-04-02

IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, FIXING DEVICE, AND IMAGE-FORMED PRODUCT

 #92
20200096937
2020-03-26

Process cartridge and image forming apparatus

 #93
20200081371
2020-03-12

Developer cartridge

 #94
20200073281
2020-03-05

SHEET CONVEYING APPARATUS, DOCUMENT READING APPARATUS, AND IMAGE FORMING APPARATUS

 #95
20200064753
2020-02-27

Electrophotographic image forming apparatus

 #96
20200050129
2020-02-13

Process unit including main unit and toner cartridge

 #97
20200041934
2020-02-06

Controlling engagement force

 #98
20200041929
2020-02-06

Image forming apparatus capable of performing gradation correction, method of controlling same, and storage medium

 #99
20200033750
2020-01-30

Image forming method and image forming apparatus

 #100
20200026215
2020-01-23

Developing cartridge having electrode

 #101
20200012227
2020-01-09

Process cartridge

 #102
20200012213
2020-01-09

Developer accommodating unit, cartridge and image forming apparatus

 #103
20190377299
2019-12-12

Developing apparatus, process cartridge, and image forming apparatus

 #104
20190369523
2019-12-05

Image forming apparatus with developer information acquisition unit that acquires information relating to deterioration of developer based on an acquired toner charging amount

 #105
20190369521
2019-12-05

Image forming apparatus with charging amount acquisition unit

 #106
20190359798
2019-11-28

RUBBER COMPOSITION AND CONDUCTIVE ROLLER USING THE SAME

 #107
20190339632
2019-11-07

Developer cartridge provided with gear having engagement portions

 #108
20190317448
2019-10-17

Photosensitive member unit and development unit

 #109
20190302683
2019-10-03

Method for manufacturing image bearing unit and method for manufacturing cartridge

 #110
20190302645
2019-10-03

Developer cartridge

 #111
20190278191
2019-09-12

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

 #112
20190250555
2019-08-15

Process cartridge

 #113
20190219960
2019-07-18

Connecting member and roller unit of electronic image-forming apparatus having the same

 #114
20190196357
2019-06-27

Developing cartridge having electrode

 #115
20190163124
2019-05-30

Cooling unit for an image forming apparatus

 #116
20190155204
2019-05-23

Cartridge, mounting method for coupling member, and disassembling method for coupling member

 #117
20190146380
2019-05-16

Image forming apparatuses employing an electrophotographic method

 #118
20190137906
2019-05-09

Process unit including main unit and toner cartridge including toner supply pipe and shutter

 #119
20190121255
2019-04-25

Image forming apparatus to perform an activation control using a developing bias applying member and a speed control unit

 #120
20190107803
2019-04-11

Cartridge having a rotatable guide member

 #121
20190101861
2019-04-04

Image forming apparatus

 #122
20190101844
2019-04-04

Image forming apparatus

 #123
20190086833
2019-03-21

Image forming apparatus capable of performing gradation correction, method of controlling same, and storage medium

 #124
20190079446
2019-03-14

Drive transmitting member, drive transmitting device, and image forming apparatus

 #125
20190072896
2019-03-07

Process cartridge

 #126
20190072874
2019-03-07

Developing cartridge having electrode

 #127
20190049872
2019-02-14

Image forming apparatus and image forming method

 #128
20190033754
2019-01-31

Controlling engagement force

 #129
20190025726
2019-01-24

Image forming apparatus with moveable transfer members

 #130
20190018345
2019-01-17

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

 #131
20190011852
2019-01-10

Channel state information measurements for license assisted access

 #132
20190004464
2019-01-03

Image forming apparatus equipped with function to specify error causing part

 #133
20180367693
2018-12-20

Image forming device, control method, and recording medium

 #134
20180348663
2018-12-06

Image forming apparatus controlling applied charging voltage based on potential of electrode film

 #135
20180335720
2018-11-22

Developing cartridge and electrophotographic image forming apparatus employing same

 #136
20180329359
2018-11-15

Developing cartridge and image forming apparatus

 #137
20180321633
2018-11-08

Developing apparatus, process cartridge, and image forming apparatus

 #138
20180299823
2018-10-18

Photosensitive member unit and development unit

 #139
20180292773
2018-10-11

Image forming apparatus

 #140
20180284656
2018-10-04

Developing device

 #141
20180284649
2018-10-04

Process unit including main unit and toner cartridge including toner supply pipe and shutter

 #142
20180267426
2018-09-20

Image forming apparatus and development unit

 #143
20180267418
2018-09-20

Toner, developer, toner storage unit, image forming apparatus, image forming method, and method for producing printed matter

 #144
20180239302
2018-08-23

Process cartridge and image forming apparatus

 #145
20180239287
2018-08-23

Image forming apparatus

 #146
20180231918
2018-08-16

Image forming apparatus and control method wherein a developer bearing member is driven at various speeds

 #147
20180217520
2018-08-02

Fluidity correction of developer for an image forming apparatus

 #148
20180210393
2018-07-26

Developing device, process cartridge, and image forming apparatus

 #149
20180203375
2018-07-19

Image forming apparatus including process unit including developer carrying member, thickness regulating member and developer moving member

 #150
20180196388
2018-07-12

Gear configuration for a developing cartridge

 #151
20180196374
2018-07-12

Developer cartridge provided with gear having engagement portions

 #152
20180188682
2018-07-05

Developing cartridge, and electrophotographic image forming apparatus using same

 #153
20180181056
2018-06-28

Developing cartridge capable of detecting specification thereof

 #154
20180173478
2018-06-21

IMAGE FORMING APPARATUS THAT SELECTS REFERENCE SIDE FOR PRINT POSITION ADJUSTING AND METHOD OF CONTROLLING IMAGE FORMING APPARATUS

 #155
20180164709
2018-06-14

Toner set, white toner, and electrostatic charge image developer

 #156
20180143560
2018-05-24

Image forming apparatus, image forming method and non-transitory computer-readable recording medium encoded with image forming program

 #157
20180136579
2018-05-17

Image forming apparatus

 #158
20180120731
2018-05-03

Developer container, process cartridge, and image forming apparatus

 #159
20180113397
2018-04-26

Image forming apparatus

 #160
20180113393
2018-04-26

Carrier for developer of electrostatic latent image, developer, and image forming apparatus

 #161
20180107147
2018-04-19

Image forming apparatus having a lubricant and developer of opposite polarity

 #162
20170315471
2017-11-02

Image forming apparatus and image forming method

 #163
20170300005
2017-10-19

Image forming apparatus

 #164
20170248909
2017-08-31

Image forming apparatus having a portion to prevent a process cartridge from being inserted when the process cartridge is in a particular state

 #165
20170248906
2017-08-31

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

 #166
20170227885
2017-08-10

Powder container and image forming apparatus

 #167
20170139349
2017-05-18

Cartridge, mounting method for coupling member, and disassembling method for coupling member

 #168
20170082944
2017-03-23

Developing cartridge having electrode

 #169
20170052476
2017-02-23

Image forming apparatus including layer thickness control portion to cause rotator to carry toner, and developing device used in image forming apparatus

 #170
20170052475
2017-02-23

Image forming apparatus

 #171
20170003618
2017-01-05

Developing device

 #172
20160327901
2016-11-10

Roller member, roller supporting mechanism, and image forming apparatus

 #173
20160291506
2016-10-06

Developing device including casing having supply opening and discharge opening, and image forming apparatus provided with the same

 #174
20160291504
2016-10-06

Image forming apparatus, control method, and non-transitory storage medium encoded with computer readable program

 #175
20160252873
2016-09-01

Developing cartridge having drive-force receiving member

 #176
20160246249
2016-08-25

Cartridge, mounting method for coupling member, and disassembling method for coupling member

 #177
20160238990
2016-08-18

Developing cartridge and process cartridge for stably rotating developing roller

 #178
20160216637
2016-07-28

Gear unit, developing device, and manufacturing method therefor

 #179
20160202630
2016-07-14

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

 #180
20160202629
2016-07-14

Developing cartridge having electrode

 #181
20160147173
2016-05-26

Developing device and image forming apparatus

 #182
20160124342
2016-05-05

Driving apparatus, image forming apparatus, method of driving control and program

 #183
20160109849
2016-04-21

Developing cartridge and process cartridge for stably rotating developing roller

 #184
20160062266
2016-03-03

Image forming apparatus having voltage application to regulating member and developer carrier

 #185
20160061300
2016-03-03

Belt driving roller including electroviscous force developing member, and belt driving device using same

 #186
20160054677
2016-02-25

Image forming apparatus that reduces development gap variation at both end portions of developing roller

 #187
20160041502
2016-02-11

Developing cartridge for laser printer comprising a stirring wheel and an activation mechanism

 #188
20160026113
2016-01-28

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

 #189
20150362859
2015-12-17

Developing cartridge having a frame rotatably supporting a developing roller

 #190
20150319911
2015-11-12

Optical flow sensing application in agricultural vehicles

 #191
20150309442
2015-10-29

Developing device

 #192
20150301495
2015-10-22

Image forming apparatus having a lubricant and developer of opposite polarity

 #193
20150277367
2015-10-01

Process cartridge and image forming apparatus

 #194
20150277263
2015-10-01

Roller member, roller supporting mechanism, and image forming apparatus

 #195
20150261129
2015-09-17

Image forming apparatus with lubricated developer carrying member

 #196
20150253725
2015-09-10

Developing cartridge and process cartridge for stably rotating developing roller

 #197
20150198909
2015-07-16

Image forming apparatus and method in which a developer carrying member is rotated for a predetermined time during a startup or removal operation

 #198
20150192891
2015-07-09

Developing cartridge having drive-force receiving member

 #199
20150147098
2015-05-28

Printer cartridge with toner wall

 #200
20150139669
2015-05-21

Image forming apparatus and image forming system with cartridge capacity dependent transport force

 #201
20150125175
2015-05-07

Developing cartridge having electrode

 #202
20150093152
2015-04-02

Image forming apparatus having a moving mechanism to move a developing roller to a retracted position and a transmission mechanism to cut off transmission to the developing roller

 #203
20150093139
2015-04-02

Developing device

 #204
20150016850
2015-01-15

Developing cartridge and process cartridge for stably rotating developing roller

 #205
20150016849
2015-01-15

Developing cartridge and process cartridge for stably rotating developing roller

 #206
20140321869
2014-10-30

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

 #207
20140294450
2014-10-02

Developing cartridge and process cartridge for stably rotating developing roller

 #208
20140294407
2014-10-02

Image forming apparatus

 #209
20140251755
2014-09-11

Image forming apparatus including drive switching mechanism to control transmission of driving force

 #210
20140242510
2014-08-28

Two-component color developer and image formation device using same

 #211
20140241760
2014-08-28

Development device and image formation apparatus

 #212
20140199098
2014-07-17

Toner carrier

 #213
20140140740
2014-05-22

Development device and image forming apparatus including the same

 #214
20140126935
2014-05-08

Developing roller

 #215
20140119757
2014-05-01

Image forming apparatus

 #216
20140080053
2014-03-20

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

 #217
20140079442
2014-03-20

Developing member, process cartridge and electrophotographic apparatus

 #218
20140064792
2014-03-06

Developing unit and electrophotographic image forming apparatus

 #219
20140056623
2014-02-27

Image forming apparatus including developing device using toner holding member with specific surface roughness

 #220
20140056603
2014-02-27

Image forming apparatus

 #221
20140010561
2014-01-09

Image forming apparatus provided with an agitation member configured to be rotated

 #222
20130343789
2013-12-26

Electrically Conductive Roller, Development Apparatus, and Image-Forming Device

 #223
20130336678
2013-12-19

Liquid development apparatus and wet-type image forming apparatus

 #224
20130322901
2013-12-05

Image forming apparatus with developing contrast control

 #225
20130302053
2013-11-14

Image forming apparatus with developer bearing member velocity control

 #226
20130287452
2013-10-31

Development device, process cartridge, and image forming apparatus

 #227
20130287451
2013-10-31

IMAGE FORMING APPARATUS, DEVELOPING APPARATUS, AND PROCESS CARTRIDGE

 #228
20130287435
2013-10-31

Electrophotographic image forming apparatus

 #229
20130287425
2013-10-31

Developer cartridge

 #230
20130272755
2013-10-17

Developing roller, developing apparatus, and image-forming device

 #231
20130243497
2013-09-19

DEVELOPER SUPPLY DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME

 #232
20130243454
2013-09-19

Image forming apparatus capable of printing long sheets

 #233
20130230342
2013-09-05

Image forming unit and image forming apparatus

 #234
20130195508
2013-08-01

Image forming apparatus

 #235
20130142547
2013-06-06

Image forming device and developing device

 #236
20130065171
2013-03-14

Latent electrostatic image developing carrier, process cartridge and image forming apparatus

 #237
20130065170
2013-03-14

Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method

 #238
20130051841
2013-02-28

Developing device, image forming apparatus, and process cartridge

 #239
20130022365
2013-01-24

Image forming apparatus capable of printing long sheets

 #240
20130004210
2013-01-03

Developing device and image forming apparatus

 #241
20120251188
2012-10-04

DEVELOPER, IMAGE FORMATION UNIT, AND IMAGE FORMATION APPARATUS

 #242
20120251155
2012-10-04

Developing device and image forming apparatus

 #243
20120243910
2012-09-27

Image forming apparatus

 #244
20120243908
2012-09-27

Image forming apparatus

 #245
20120195635
2012-08-02

Cartridge, assembling method for cartridge, and disassembling method for cartridge

 #246
20120063805
2012-03-15

Developing cartridge and image forming apparatus employing the same

 #247
20120008974
2012-01-12

IMAGE FORMING APPARATUS

 #248
20110299893
2011-12-08

DEVELOPING DEVICE AND DEVELOPING METHOD

 #249
20110299892
2011-12-08

Developing device with bias voltage and image forming apparatus

 #250
20110236077
2011-09-29

Developing device and image forming apparatus

 #251
20110236063
2011-09-29

Developing cartridge and process cartridge for stably rotating developing roller

 #252
20110222878
2011-09-15

Developing device and image forming device

 #253
20110129240
2011-06-02

Image forming apparatus, developer discharge method, and computer program product thereof

 #254
20110103847
2011-05-05

Image forming apparatus

 #255
20110103812
2011-05-05

Image forming apparatus

 #256
20110085811
2011-04-14

Image forming device

 #257
20110058858
2011-03-10

Developing device, process cartridge, and image forming apparatus

 #258
20110058836
2011-03-10

Developing device, and controlling method thereof

 #259
20110058835
2011-03-10

Developing device, and controlling method thereof

 #260
20110052273
2011-03-03

Image forming device and developing device

 #261
20110052233
2011-03-03

Development apparatus

 #262
20110026958
2011-02-03

Image forming apparatus capable of suppressing toner aggregation

 #263
20110026957
2011-02-03

Image forming apparatus

 #264
20100322664
2010-12-23

Developing cartridge, process cartridge, and electrophotographic image forming apparatus

 #265
20100247158
2010-09-30

Developer supply device and image forming apparatus

 #266
20100232832
2010-09-16

Developing cartridge, process cartridge, and electrophotographic image forming apparatus

 #267
20100203443
2010-08-12

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