Patents-Review.com
ClassID:

178352 ⎘

G03G2215/0838 - CPC Classification

Classification description:

Apparatus for electrophotographic processes; Details of powder developing device not concerning the development directly; Arrangements for agitating or circulating developer material; Way of functioning of agitator means Circulation of developer in a closed loop within the sump of the developing device

Recent Application in this class:
#1
20250231507
2025-07-17

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

 #2
20240361721
2024-10-31

DEVELOPING DEVICE WITH STRUCTURE TO REGULATE DISCHARGING AMOUNT OF DEVELOPER

 #3
20240077813
2024-03-07

Developing device, process cartridge, and image forming apparatus including an entrance seal which contacts an image bearer

 #4
20230305438
2023-09-28

Developing device and image forming apparatus that suppress discharge of developer

 #5
20220413417
2022-12-29

Imaging system with a developing chamber having a developer roller and multiple air passages

 #6
20220373929
2022-11-24

Developing device and image forming apparatus having an opening and closing member in a partition between conveying members

 #7
20220197188
2022-06-23

Toner conveying device of image forming apparatus including pushing member to push conveyance member from different directions

 #8
20220179336
2022-06-09

Mixing printing fluid

 #9
20220107588
2022-04-07

Developer conveyor having helical blades and protrusions

 #10
20220035271
2022-02-03

Developing apparatus having air discharge

 #11
20220011694
2022-01-13

Toner conveyance device including conveyance screw and image forming apparatus

 #12
20220011693
2022-01-13

Developing device which supplies two-component developer containing toner and carrier and which discharges excessive developer and image forming apparatus therewith

 #13
20210356885
2021-11-18

Developing device to form electrostatic latent images

 #14
20210109459
2021-04-15

Developing device allowing selection of a stirring/conveying member to be used from a plurality of types of stirring/conveying members with rotary shafts with different shaft-diameters and image forming apparatus therewith

 #15
20200264538
2020-08-20

Developer conveyor having three blades

 #16
20200096909
2020-03-26

Transporting member, developing device, and image forming apparatus

 #17
20200019091
2020-01-16

Developing device and image forming apparatus

 #18
20180364620
2018-12-20

Developing device, process cartridge, and image forming apparatus

 #19
20180335723
2018-11-22

Feeding screw and developing device

 #20
20180321616
2018-11-08

Developing device having first conveyance chamber and second conveyance chamber disposed above first conveyance chamber, and image forming apparatus including same

 #21
20180136586
2018-05-17

Vertical biaxial developing device and image forming apparatus and process cartridge incorporating same

 #22
20180059606
2018-03-01

Developing apparatus having a rib portioned conveyance screw

 #23
20170277078
2017-09-28

Developing device with toner containing a toner particle and a zinc stearate particle, and process cartridge, image forming apparatus, and image forming method

 #24
20170255129
2017-09-07

Developing device having toner content detection

 #25
20170219958
2017-08-03

Developing device replenished with new two-component developer while discharging surplus developer and image forming apparatus

 #26
20170176890
2017-06-22

Developing device replenished with new two-component developer while discharging surplus developer and image forming apparatus therewith

 #27
20170108797
2017-04-20

Developing device which can detect rotational position of developing roller

 #28
20170090342
2017-03-30

Developing device and image forming apparatus and process cartridge incorporating same

 #29
20170068183
2017-03-09

Image forming apparatus

 #30
20160299455
2016-10-13

Powder container, developing device, process unit, and image forming apparatus

 #31
20160282761
2016-09-29

Developing device to charge and mix toner and electrophotographic image forming apparatus including the same

 #32
20160238966
2016-08-18

Developing device and image forming apparatus incorporating same

 #33
20160209777
2016-07-21

Developing device having developer regulating rib

 #34
20160033899
2016-02-04

Developing device

 #35
20160033897
2016-02-04

Developer container and image forming apparatus including the same

 #36
20150261135
2015-09-17

Development roller, developing device, and image forming apparatus

 #37
20150153679
2015-06-04

Image forming device, and non-transitory computer readable recording medium

 #38
20150132026
2015-05-14

Developing device, process cartridge, and image forming apparatus

 #39
20140270838
2014-09-18

Developing device and image forming apparatus incorporating same

 #40
20140255047
2014-09-11

Image forming apparatus

 #41
20140235415
2014-08-21

Transporting member, developing device, and image forming apparatus

 #42
20140233985
2014-08-21

Developing device and image forming apparatus provided therewith

 #43
20140178100
2014-06-26

Electrostatic image developer and image forming apparatus

 #44
20140147173
2014-05-29

Developer supplying device and image forming apparatus

 #45
20140105649
2014-04-17

Developing device and image forming apparatus

 #46
20140056621
2014-02-27

Developer conveyance member and corresponding support part configuration for developer container and developing device

 #47
20140023403
2014-01-23

Developer conveyance device, development device, and image forming apparatus

 #48
20140023401
2014-01-23

Developer conveying device, and developing device and image forming apparatus provided with same

 #49
20130315629
2013-11-28

Developer conveying device including a plurality of planar portions and a developing device and image forming apparatus provided with same

 #50
20130177338
2013-07-11

Developing device having developer conveying members

 #51
20130064570
2013-03-14

Process cartridge for image forming apparatus including a hollow alignment shaft

 #52
20130022373
2013-01-24

Method of using feed auger with paddles

 #53
20130022372
2013-01-24

Feed auger with paddles

 #54
20120269555
2012-10-25

Developing device having rotating feeding member

 #55
20120263502
2012-10-18

Image forming apparatus

 #56
20120251189
2012-10-04

Image forming apparatus having a developer holder with a concavo-convex outer surface

 #57
20120251186
2012-10-04

Image forming structure, image forming apparatus, and developing device including shutter member

 #58
20120230707
2012-09-13

Image forming apparatus

 #59
20120219327
2012-08-30

Developing device and image forming apparatus

 #60
20120219326
2012-08-30

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

 #61
20120207488
2012-08-16

DISTRIBUTED REPLENISHMENT FOR ELECTROPHOTOGRAPHIC DEVELOPER

 #62
20120195648
2012-08-02

Developing device and image forming apparatus

 #63
20120189350
2012-07-26

Development device, developer container, and image forming apparatus

 #64
20120114384
2012-05-10

Image forming apparatus with paddle that agitates toner supplied through feed opening

 #65
20120099900
2012-04-26

Developing device having dual feeding chambers

 #66
20120099899
2012-04-26

Developing unit and image-forming apparatus

 #67
20120070165
2012-03-22

Image forming apparatus

 #68
20120063813
2012-03-15

Developing device and image forming apparatus having a developer conveying section with a spiral blade

 #69
20120051760
2012-03-01

Toner supply control system and method for image forming apparatus

 #70
20120045252
2012-02-23

Development device and image forming apparatus provided therewith

 #71
20120039627
2012-02-16

Developing device, process cartridge, and image forming apparatus that house a developing agent for forming an image

 #72
20120014719
2012-01-19

Developing device and image forming apparatus having the developing device

 #73
20120009518
2012-01-12

Developing device, image forming method and apparatus, and process cartridge

 #74
20110318062
2011-12-29

Developer Conveying Device and Development Device, Toner Cartridge, and Cleaning Unit that are Provided with Developer Conveying Device

 #75
20110305484
2011-12-15

Development device and image forming apparatus including the same

 #76
20110286768
2011-11-24

Developing apparatus, and image forming apparatus

 #77
20110274468
2011-11-10

Developing device

 #78
20110262187
2011-10-27

Developing device and image forming apparatus provided with same

 #79
20110236074
2011-09-29

Developing device and image forming apparatus including passing developer amount changing mechanism

 #80
20110229209
2011-09-22

Developing device and image forming apparatus

 #81
20110176837
2011-07-21

DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS

 #82
20110170911
2011-07-14

Developer conveyance device, developing device, and image forming device

 #83
20110170910
2011-07-14

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

 #84
20110158701
2011-06-30

Developer unit for an image forming apparatus

 #85
20110158696
2011-06-30

Development agent supply device including an electric-field transfer board and a development agent retrieving unit and image forming apparatus having the same

 #86
20110142465
2011-06-16

DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS

 #87
20110129262
2011-06-02

Development device, image forming apparatus, and method for manufacturing development device

 #88
20110129240
2011-06-02

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

 #89
20110123230
2011-05-26

Developing device having first and second groups of scraper blades in axially offset positions and image forming apparatus with the same

 #90
20110103843
2011-05-05

Developing unit

 #91
20110058824
2011-03-10

IMAGE FORMING APPARATUS

 #92
20110052265
2011-03-03

Developing device usable with image forming apparatus

 #93
20110013943
2011-01-20

Developing device and image forming apparatus

 #94
20100322672
2010-12-23

Developing apparatus and image forming apparatus provided with the same

 #95
20100322671
2010-12-23

Developing apparatus and image forming apparatus provided with the same

 #96
20100322670
2010-12-23

Developing device and image forming apparatus using the same

 #97
20100290814
2010-11-18

Developing device and image forming apparatus using the same

 #98
20100254724
2010-10-07

Developing device and image forming apparatus

 #99
20100247154
2010-09-30

DEVELOPER STATION WITH AUGER SYSTEM

 #100
20100247152
2010-09-30

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

 #101
20100247151
2010-09-30

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

 #102
20100247150
2010-09-30

Developer container, developing apparatus, and image forming apparatus

 #103
20100232838
2010-09-16

Developing device and image forming apparatus

 #104
20100215406
2010-08-26

Developing device and image forming apparatus using the same

 #105
20100215401
2010-08-26

Development device, process cartridge, and image forming apparatus

 #106
20100196058
2010-08-05

Developing device and image forming apparatus using the same

 #107
20100196057
2010-08-05

Developing device and image forming apparatus using the same

 #108
20100189455
2010-07-29

Image forming apparatus and control method thereof

 #109
20100183341
2010-07-22

DEVELOPING DEVICE, DEVELOPING METHOD, AND IMAGE FORMING APPARATUS

 #110
20100158590
2010-06-24

Waste powder recovering device and image forming apparatus

 #111
20100158573
2010-06-24

Developer supplying apparatus and image forming apparatus having the same

 #112
20100143000
2010-06-10

Development device and image forming apparatus using same having multiple supply ports which are disposed at different positions in the axial direction

 #113
20100129117
2010-05-27

Developing apparatus, imaging unit, and image forming apparatus including developer mixing container with auxiliary member to circulate developer

 #114
20100124442
2010-05-20

DEVELOPING DEVICE, DEVELOPING METHOD, AND IMAGE FORMING APPARATUS

 #115
20100098447
2010-04-22

Developing apparatus and image forming apparatus

 #116
20100054815
2010-03-04

Image forming apparatus

 #117
20100054765
2010-03-04

DEVELOPING DEVICE

 #118
20100028053
2010-02-04

Development device and image forming apparatus capable of reducing stress applied to developer

 #119
20090317141
2009-12-24

Development apparatus and image forming apparatus

 #120
20090310985
2009-12-17

Image forming device having a trickle developing apparatus

 #121
20090290887
2009-11-26

Developing apparatus and image forming machine

 #122
20090290886
2009-11-26

DEVELOPING APPARATUS AND IMAGE FORMING MACHINE

 #123
20090257783
2009-10-15

IMAGE FORMING APPARATUS AND DEVELOPING DEVICE

 #124
20090252539
2009-10-08

Toner hopper, developing unit and image forming apparatus

 #125
20090245884
2009-10-01

Developing cartridge, developing device, and image forming apparatus

 #126
20090245879
2009-10-01

Developing device, image forming apparatus and method for filling developer

 #127
20090245878
2009-10-01

DEVELOPMENT CARTRIDGE, DEVELOPMENT UNIT, AND IMAGE FORMING APPARATUS

 #128
20090245852
2009-10-01

TONER SUPPLY DEVICE, DEVELOPING UNIT AND TONER SUPPLY DEVICE REMANUFACTURING METHOD

 #129
20090245832
2009-10-01

DEVELOPMENT CARTRIDGE, DEVELOPMENT UNIT, AND IMAGE FORMING APPARATUS

 #130
20090232558
2009-09-17

Developing device and image forming apparatus including same which includes a supply path and a recovery path

 #131
20090232531
2009-09-17

Developing apparatus of image forming apparatus and supplying method of toner

 #132
20090220266
2009-09-03

Developing unit, image forming apparatus incorporating same, and method of controlling amounts of toner

 #133
20090214268
2009-08-27

Developing apparatus, image forming apparatus having the same, and developer supplying method for a developing apparatus

 #134
20090214266
2009-08-27

Developing device and image forming apparatus

 #135
20090214227
2009-08-27

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

 #136
20090180812
2009-07-16

Developing device and image forming apparatus

 #137
20090169265
2009-07-02

Powder transport screw, and development device, process unit and image-forming apparatus comprising this powder transport screw

 #138
20090169264
2009-07-02

Developing device, process cartridge, and image forming apparatus, method of developing latent image

 #139
20090148193
2009-06-11

Developing device

 #140
20090110429
2009-04-30

Powder conveyance unit and image forming apparatus including same

 #141
20090110425
2009-04-30

Image forming apparatus and developer replenishing method

 #142
20090103952
2009-04-23

Developing housing and conveying device and image forming apparatus having the same

 #143
20090103951
2009-04-23

Development device, image forming apparatus, and process cartridge having compact structure for discharging developer

 #144
20090103943
2009-04-23

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

 #145
20090097878
2009-04-16

Developing device, process cartridge, and image forming apparatus that house a developing agent for forming an image

 #146
20090092419
2009-04-09

Member for agitating and conveying developer, developing device, and image forming apparatus having the same

 #147
20090074450
2009-03-19

Image forming apparatus for use with carrier including a core and cover layer

 #148
20090067886
2009-03-12

Developing device, process cartridge, and image forming apparatus having a discharge port facing a section of a transport member without a screw part

 #149
20090060534
2009-03-05

Developing device and image forming apparatus

 #150
20090010662
2009-01-08

Image forming apparatus with power saving sleep mode

 #151
20080317508
2008-12-25

Developing device, image forming apparatus and process cartridge in which a shock is applied intermittently to the discharged developer

 #152
20080240792
2008-10-02

Developing device and image forming apparatus equipped with the same

 #153
20080240791
2008-10-02

ELECTROGRAPHIC DEVELOPER MIXING APPARATUS AND PROCESS

 #154
20080240760
2008-10-02

Image forming apparatus and toner replenishment control method

 #155
20080226349
2008-09-18

Image forming apparatus, process cartridge, and development device

 #156
20080226311
2008-09-18

Development device, process cartridge, and image forming apparatus using the development device

 #157
20080219706
2008-09-11

Development apparatus and image forming apparatus

 #158
20080199223
2008-08-21

Developing unit, process cartridge, and image forming apparatus having a plurality of conveyor members, a supply part, and a discharge part

 #159
20080199205
2008-08-21

Developing device, process cartridge, and image forming apparatus

 #160
20080192080
2008-08-14

Image forming apparatus, developing unit thereof and method for controlling developing unit

 #161
20080187332
2008-08-07

Developing device and image forming apparatus using same

 #162
20080181672
2008-07-31

DEVELOPMENT APPARATUS AND IMAGE FORMING APPARATUS

 #163
20080181670
2008-07-31

Developing device and image forming apparatus using same

 #164
20080170885
2008-07-17

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

 #165
20080138118
2008-06-12

Developing apparatus

 #166
20080085138
2008-04-10

Development device, and process cartridge and image forming apparatus including development device

 #167
20080038021
2008-02-14

Developing unit having effective developer transportability, and process cartridge and image forming apparatus using the same

 #168
20080025762
2008-01-31

Developing apparatus and image forming apparatus including same

 #169
20070280744
2007-12-06

Development apparatus having two developer bearers and two development chambers

 #170
20070274742
2007-11-29

Image forming apparatus and developing device

 #171
20070274741
2007-11-29

Development apparatus, process cartridge, and image forming apparatus

 #172
20070269235
2007-11-22

Developing device and image forming apparatus

 #173
20070264054
2007-11-15

Development apparatus and image forming apparatus employing the same

 #174
20070264053
2007-11-15

Developing device including improved conveying device, process cartridge and image forming apparatus using the same

 #175
20070264052
2007-11-15

Development device, and image forming apparatus and process cartridge using the development device

 #176
20070253720
2007-11-01

Developing device and image forming apparatus

 #177
20070242981
2007-10-18

Developer with developer level control, and image forming apparatus having same

 #178
20070231015
2007-10-04

Developing apparatus having a feeding member for feeding a developer

 #179
20070217827
2007-09-20

Support element, toner replenishing device, toner supply apparatus, and image forming apparatus

 #180
20070189811
2007-08-16

Developing device and toner cartridge

 #181
20070160392
2007-07-12

Image forming apparatus capable of reducing an occurrence of developer depletion in a development unit

 #182
20070140744
2007-06-21

Developing apparatus and image forming apparatus provided with the same

 #183
20070122202
2007-05-31

Developing unit and image forming apparatus including the same

 #184
20070116495
2007-05-24

Toner supply device providing toner agitation and developing unit using the same

 #185
20070098453
2007-05-03

Developer supply container and electrophotographic image forming apparatus

 #186
20070048023
2007-03-01

Developer mixing apparatus having four ribbon blenders

 #187
20070025773
2007-02-01

Developing device in image-forming device

 #188
20070014591
2007-01-18

Developer apparatus, image forming apparatus and toner supplying method

 #189
20060222412
2006-10-05

Development device with dispenser chamber inside bulkhead, and process cartridge and image forming apparatus using the device

 #190
20060222408
2006-10-05

Toner conveying device, developing device, and image forming device having the same

 #191
20060078354
2006-04-13

Development apparatus for mixing recycled developer with toner in a toner supply path and image forming apparatus having same

 #192
20060045573
2006-03-02

Developing device, process cartridge, and electrophotographic image-forming apparatus

 #193
20060008297
2006-01-12

Developing device, image forming apparatus and process cartridge including replenishment openings

 #194
20060002722
2006-01-05

System and method for detecting a life time of a developer

 #195
20050281589
2005-12-22

Method and apparatus for image forming capable of performing a stable image development

 #196
20050214047
2005-09-29

Image forming apparatus employing electro-photographic process and controlling method of the same

 #197
20050214001
2005-09-29

Developing apparatus

 #198
20050207797
2005-09-22

Developer supply container and electrophotographic image forming apparatus

 #199
20050196185
2005-09-08

Image forming apparatus, developing unit and storage medium

 #200
16533107
2020-08-11

Developing device having a delivery unit to transport collected developer and image forming apparatus having the same

 #201
14887759
2016-10-04

Developing device and image forming apparatus