Patents-Review.com
ClassID:

178346 ⎘

G03G2215/0822 - 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; Agitator type two or more agitators with wall or blade between agitators

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

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

 #2
20240310756
2024-09-19

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS THEREWITH

 #3
20230324830
2023-10-12

Developing device and image forming apparatus capable of shortening time required to circulate developer in circulation path

 #4
20230305438
2023-09-28

Developing device and image forming apparatus that suppress discharge of developer

 #5
20230024111
2023-01-26

Image forming apparatus including developer conveying member and toner concentration sensor

 #6
20230022432
2023-01-26

Developing device and image forming apparatus including developer conveying member and toner concentration sensor

 #7
20220373930
2022-11-24

Developing device and image forming apparatus having a reverse helical section

 #8
20220373929
2022-11-24

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

 #9
20220317596
2022-10-06

Developer discharging method of developing device and developing device

 #10
20220155709
2022-05-19

Developing apparatus having multi-blade portion replenishment conveyance screw

 #11
20220128927
2022-04-28

Developer container and image forming apparatus having developer outlet for discharging developer

 #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
20210088938
2021-03-25

Developing device including a conveyor with a space between blades and image forming apparatus including same

 #14
20210063914
2021-03-04

Developing device

 #15
20190391511
2019-12-26

Feeding screw and developing device

 #16
20190384207
2019-12-19

Toner case including agitator agitating toner and image forming apparatus including toner case

 #17
20190286013
2019-09-19

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

 #18
20190235417
2019-08-01

Developing apparatus and image forming apparatus

 #19
20190187588
2019-06-20

Developing apparatus

 #20
20190064702
2019-02-28

Toner container, image forming unit, and image forming apparatus

 #21
20180335725
2018-11-22

FEEDING SCREW AND DEVELOPING DEVICE

 #22
20180335724
2018-11-22

Feeding screw and developing device

 #23
20180335723
2018-11-22

Feeding screw and developing device

 #24
20180011424
2018-01-11

Developing device and image forming apparatus including the same

 #25
20170329258
2017-11-16

Development device and image forming apparatus

 #26
20170255125
2017-09-07

Image forming apparatus having removable developing units

 #27
20170176890
2017-06-22

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

 #28
20160209777
2016-07-21

Developing device having developer regulating rib

 #29
20160139542
2016-05-19

Toner conveyance member, developing device, and image forming apparatus

 #30
20150220022
2015-08-06

Developing cartridge including housing having chambers with conveying members to which developing agent can be supplied

 #31
20150153679
2015-06-04

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

 #32
20150153677
2015-06-04

Developing apparatus having aligned regulating member

 #33
20150132027
2015-05-14

Developing device and image forming apparatus provided therewith

 #34
20150071683
2015-03-12

Developing device

 #35
20140023406
2014-01-23

Developing device, process cartridge and image forming apparatus

 #36
20140023403
2014-01-23

Developer conveyance device, development device, and image forming apparatus

 #37
20130287449
2013-10-31

Developing device and image forming apparatus

 #38
20130177338
2013-07-11

Developing device having developer conveying members

 #39
20130022373
2013-01-24

Method of using feed auger with paddles

 #40
20130022372
2013-01-24

Feed auger with paddles

 #41
20120308269
2012-12-06

Developing device and electrophotographic image forming apparatus including the same

 #42
20120263502
2012-10-18

Image forming apparatus

 #43
20120251189
2012-10-04

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

 #44
20120219327
2012-08-30

Developing device and image forming apparatus

 #45
20120219326
2012-08-30

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

 #46
20120195648
2012-08-02

Developing device and image forming apparatus

 #47
20120189350
2012-07-26

Development device, developer container, and image forming apparatus

 #48
20120170954
2012-07-05

Developing device, process cartridge and image forming apparatus

 #49
20120163874
2012-06-28

Developing device, process cartridge, and image-forming apparatus

 #50
20120163873
2012-06-28

Developing device and image forming apparatus

 #51
20120099900
2012-04-26

Developing device having dual feeding chambers

 #52
20120099899
2012-04-26

Developing unit and image-forming apparatus

 #53
20120076545
2012-03-29

Development station with auger tensioning

 #54
20120063813
2012-03-15

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

 #55
20120051794
2012-03-01

Developing device and image forming apparatus

 #56
20120051793
2012-03-01

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

 #57
20120009518
2012-01-12

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

 #58
20120008988
2012-01-12

Developing device and image forming apparatus

 #59
20110318062
2011-12-29

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

 #60
20110305484
2011-12-15

Development device and image forming apparatus including the same

 #61
20110286768
2011-11-24

Developing apparatus, and image forming apparatus

 #62
20110274468
2011-11-10

Developing device

 #63
20110262187
2011-10-27

Developing device and image forming apparatus provided with same

 #64
20110255886
2011-10-20

Image forming apparatus and control method thereof

 #65
20110243584
2011-10-06

DEVELOPING DEVICE

 #66
20110236074
2011-09-29

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

 #67
20110229208
2011-09-22

Developing device with improved developer transport efficiency

 #68
20110229207
2011-09-22

Developing device and image forming apparatus

 #69
20110222914
2011-09-15

Powder transporting unit and image forming apparatus using the same

 #70
20110222913
2011-09-15

Developing device and image forming apparatus including the same

 #71
20110194873
2011-08-11

Bearing seal unit, and developing device and image forming device using bearing seal unit

 #72
20110194863
2011-08-11

Developing device including refill operation

 #73
20110182624
2011-07-28

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS USING THE DEVELOPING DEVICE

 #74
20110176838
2011-07-21

Developing device and image forming apparatus

 #75
20110176836
2011-07-21

Developing device and image forming apparatus including the same

 #76
20110176820
2011-07-21

Development device, process cartridge, and image forming apparatus

 #77
20110170910
2011-07-14

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

 #78
20110158701
2011-06-30

Developer unit for an image forming apparatus

 #79
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

 #80
20110158665
2011-06-30

Developing apparatus and image forming apparatus

 #81
20110150537
2011-06-23

Developing device and image forming apparatus provided therewith

 #82
20110150535
2011-06-23

Developing apparatus and image forming apparatus provided with the same

 #83
20110150533
2011-06-23

Developing apparatus and image forming apparatus provided with the same

 #84
20110150525
2011-06-23

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

 #85
20110129262
2011-06-02

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

 #86
20110129240
2011-06-02

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

 #87
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

 #88
20110058858
2011-03-10

Developing device, process cartridge, and image forming apparatus

 #89
20110026959
2011-02-03

IMAGE FORMING APPARATUS AND AGITATION CONTROLLING METHOD

 #90
20110020038
2011-01-27

Developing device

 #91
20110020037
2011-01-27

Developing device, image carrier unit and image forming apparatus

 #92
20110008073
2011-01-13

Development device and image forming apparatus

 #93
20100322675
2010-12-23

Developing apparatus with agitating portion and image forming apparatus provided with the same

 #94
20100322674
2010-12-23

Developing apparatus and image forming apparatus provided with the same

 #95
20100322673
2010-12-23

Developing apparatus including guide for preventing packing and leaking of developer and image forming apparatus provided with the same

 #96
20100322672
2010-12-23

Developing apparatus and image forming apparatus provided with the same

 #97
20100322671
2010-12-23

Developing apparatus and image forming apparatus provided with the same

 #98
20100322670
2010-12-23

Developing device and image forming apparatus using the same

 #99
20100303507
2010-12-02

DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS

 #100
20100290814
2010-11-18

Developing device and image forming apparatus using the same

 #101
20100278563
2010-11-04

Developing unit and developer stirring and transporting method

 #102
20100254724
2010-10-07

Developing device and image forming apparatus

 #103
20100247152
2010-09-30

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

 #104
20100247151
2010-09-30

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

 #105
20100247150
2010-09-30

Developer container, developing apparatus, and image forming apparatus

 #106
20100239322
2010-09-23

Developing apparatus and image forming apparatus

 #107
20100239273
2010-09-23

Developing apparatus and image forming apparatus

 #108
20100232838
2010-09-16

Developing device and image forming apparatus

 #109
20100226688
2010-09-09

DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

 #110
20100215406
2010-08-26

Developing device and image forming apparatus using the same

 #111
20100215401
2010-08-26

Development device, process cartridge, and image forming apparatus

 #112
20100196058
2010-08-05

Developing device and image forming apparatus using the same

 #113
20100196057
2010-08-05

Developing device and image forming apparatus using the same

 #114
20100196056
2010-08-05

Developing device, image forming apparatus, and cleaning method for the developing device

 #115
20100189455
2010-07-29

Image forming apparatus and control method thereof

 #116
20100183341
2010-07-22

DEVELOPING DEVICE, DEVELOPING METHOD, AND IMAGE FORMING APPARATUS

 #117
20100158573
2010-06-24

Developer supplying apparatus and image forming apparatus having the same

 #118
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

 #119
20100104305
2010-04-29

Image forming apparatus

 #120
20100054815
2010-03-04

Image forming apparatus

 #121
20100054779
2010-03-04

Developing device and image forming apparatus with soft blocking dissolving features

 #122
20100028053
2010-02-04

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

 #123
20090324297
2009-12-31

Toner cartridge, and process unit and image forming apparatus using the same

 #124
20090317159
2009-12-24

FIXING APPARATUS FOR FORMING AN IMAGE

 #125
20090317141
2009-12-24

Development apparatus and image forming apparatus

 #126
20090317106
2009-12-24

Developing device using two-component developing agent and image forming apparatus provided with same

 #127
20090310985
2009-12-17

Image forming device having a trickle developing apparatus

 #128
20090257783
2009-10-15

IMAGE FORMING APPARATUS AND DEVELOPING DEVICE

 #129
20090245879
2009-10-01

Developing device, image forming apparatus and method for filling developer

 #130
20090245878
2009-10-01

DEVELOPMENT CARTRIDGE, DEVELOPMENT UNIT, AND IMAGE FORMING APPARATUS

 #131
20090245832
2009-10-01

DEVELOPMENT CARTRIDGE, DEVELOPMENT UNIT, AND IMAGE FORMING APPARATUS

 #132
20090232558
2009-09-17

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

 #133
20090232556
2009-09-17

COUNTING METHOD OF MIXING TIME OF DEVELOPER

 #134
20090220285
2009-09-03

Toner cartridge, developing device and image forming apparatus allowing accurate control of toner replenish amount

 #135
20090220266
2009-09-03

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

 #136
20090214266
2009-08-27

Developing device and image forming apparatus

 #137
20090214265
2009-08-27

Developing device and image forming apparatus

 #138
20090214233
2009-08-27

Developing device and image forming apparatus

 #139
20090180812
2009-07-16

Developing device and image forming apparatus

 #140
20090175659
2009-07-09

Developing device and image forming apparatus with the same

 #141
20090169264
2009-07-02

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

 #142
20090148193
2009-06-11

Developing device

 #143
20090148192
2009-06-11

Developing device

 #144
20090129820
2009-05-21

Development apparatus and image forming apparatus

 #145
20090110442
2009-04-30

Developer apparatus, image forming apparatus and developing method

 #146
20090103943
2009-04-23

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

 #147
20090087225
2009-04-02

Developing device, process cartridge and image forming apparatus

 #148
20090074468
2009-03-19

Developing device and image forming apparatus which can detect a concentration of a developer

 #149
20090074450
2009-03-19

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

 #150
20090074439
2009-03-19

Image forming apparatus and image developer used therein

 #151
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

 #152
20090041508
2009-02-12

Developing unit including developer conveyance system having supply path, recovery path, and agitation path, process cartridge including developing unit, and image forming apparatus including process cartridge

 #153
20090041507
2009-02-12

Developing device and image forming apparatus including same

 #154
20090016775
2009-01-15

Development apparatus and image forming apparatus

 #155
20080310865
2008-12-18

Image forming apparatus and method of activating the apparatus during filling with developing agent

 #156
20080267668
2008-10-30

Developing unit, process cartridge, and image forming method and apparatus incorporating an agitation compartment

 #157
20080260430
2008-10-23

Developing device, image carrier unit and image forming apparatus

 #158
20080253810
2008-10-16

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #159
20080253809
2008-10-16

Developing unit and image forming apparatus with magnet bearing members

 #160
20080240791
2008-10-02

ELECTROGRAPHIC DEVELOPER MIXING APPARATUS AND PROCESS

 #161
20080232858
2008-09-25

Developing unit, visualized image formation unit and image forming apparatus

 #162
20080226349
2008-09-18

Image forming apparatus, process cartridge, and development device

 #163
20080219706
2008-09-11

Development apparatus and image forming apparatus

 #164
20080199205
2008-08-21

Developing device, process cartridge, and image forming apparatus

 #165
20080192080
2008-08-14

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

 #166
20080181672
2008-07-31

DEVELOPMENT APPARATUS AND IMAGE FORMING APPARATUS

 #167
20080170885
2008-07-17

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

 #168
20080152394
2008-06-26

Developing unit and developer stirring/transporting method

 #169
20080145107
2008-06-19

Developing device, process cartridge, and image forming apparatus

 #170
20080124132
2008-05-29

Developing device

 #171
20080085138
2008-04-10

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

 #172
20080085137
2008-04-10

Developing device using two-component developer and image forming apparatus equipped with the developing device

 #173
20080069580
2008-03-20

Developer transferring device, developing device, process unit, and image forming apparatus

 #174
20080056770
2008-03-06

Developing device and image-forming apparatus

 #175
20080038021
2008-02-14

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

 #176
20080025762
2008-01-31

Developing apparatus and image forming apparatus including same

 #177
20080003020
2008-01-03

Developing apparatus and developer collecting method

 #178
20070269235
2007-11-22

Developing device and image forming apparatus

 #179
20070264054
2007-11-15

Development apparatus and image forming apparatus employing the same

 #180
20070264053
2007-11-15

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

 #181
20070264052
2007-11-15

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

 #182
20070258740
2007-11-08

Fixing apparatus for forming an image

 #183
20070258732
2007-11-08

Process cartridge, image forming apparatus and method of assembling process cartridges

 #184
20070253720
2007-11-01

Developing device and image forming apparatus

 #185
20070242981
2007-10-18

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

 #186
20070231015
2007-10-04

Developing apparatus having a feeding member for feeding a developer

 #187
20070217827
2007-09-20

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

 #188
20070189811
2007-08-16

Developing device and toner cartridge

 #189
20070160392
2007-07-12

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

 #190
20070154242
2007-07-05

Developing device for developing latent images to toner images

 #191
20070147898
2007-06-28

Developing device and image forming apparatus using the same

 #192
20070147859
2007-06-28

Powder container, toner container, and image forming apparatus

 #193
20070140744
2007-06-21

Developing apparatus and image forming apparatus provided with the same

 #194
20070134025
2007-06-14

Developing device for developing images by adhering developer onto electrostatic images

 #195
20070122202
2007-05-31

Developing unit and image forming apparatus including the same

 #196
20070122168
2007-05-31

Image density control method and image forming apparatus

 #197
20070104515
2007-05-10

Developing apparatus and image forming apparatus having the same

 #198
20070098448
2007-05-03

Developer housing design with improved sump mass variation latitude

 #199
20070081832
2007-04-12

Image forming apparatus having a developer conveying system and associated methodology

 #200
20070048023
2007-03-01

Developer mixing apparatus having four ribbon blenders

 #201
20070025773
2007-02-01

Developing device in image-forming device

 #202
20070014591
2007-01-18

Developer apparatus, image forming apparatus and toner supplying method

 #203
20060280529
2006-12-14

Image forming method and apparatus for effectively conveying developer

 #204
20060257173
2006-11-16

Image forming method and apparatus capable of enhancing toner mobility

 #205
20060245794
2006-11-02

Image forming method and apparatus, and developing device and process cartridge therefor

 #206
20060245793
2006-11-02

Developing unit with a housing assembly

 #207
20060239720
2006-10-26

Image forming apparatus with developing device having discharge openings

 #208
20060222412
2006-10-05

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

 #209
20060222409
2006-10-05

Developing device and image forming apparatus

 #210
20060222408
2006-10-05

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

 #211
20060140679
2006-06-29

Developing apparatus having improved agitation effect

 #212
20060083554
2006-04-20

Developing apparatus for image forming apparatus

 #213
20060078354
2006-04-13

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

 #214
20060062602
2006-03-23

Image forming apparatus and control method using a two-component developer

 #215
20060008297
2006-01-12

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

 #216
20060002722
2006-01-05

System and method for detecting a life time of a developer

 #217
20050281589
2005-12-22

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

 #218
20050271424
2005-12-08

Developing unit, process cartridge, and image forming apparatus

 #219
20050244195
2005-11-03

Developing device

 #220
20050214001
2005-09-29

Developing apparatus

 #221
20050207794
2005-09-22

Image forming apparatus and toner stirring method

 #222
20050207793
2005-09-22

Image forming apparatus

 #223
20050207792
2005-09-22

Image forming apparatus and toner stirring method

 #224
20050196185
2005-09-08

Image forming apparatus, developing unit and storage medium

 #225
20050111883
2005-05-26

Image forming apparatus and image forming method

 #226
20050084299
2005-04-21

Toner cartridge used with electrophotographic image forming apparatus

 #227
20050002698
2005-01-06

Developing unit for image forming apparatus

 #228
16171877
2020-01-14

Electrostatic process unit fan impeller and cooling duct

 #229
14887759
2016-10-04

Developing device and image forming apparatus