Patents-Review.com
ClassID:

177623 ⎘

G03G15/0258 - CPC Classification

Classification description:

Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices provided with means for the maintenance of the charging apparatus, e.g. cleaning devices, ozone removing devices , takes precedence

Recent Application in this class:
#1
20250390036
2025-12-25

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

 #2
20250208532
2025-06-26

CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

 #3
20250181004
2025-06-05

PROCESS CARTRIDGE AND PROCESS CARTRIDGE SET

 #4
20250068117
2025-02-27

IMAGE FORMING APPARATUS

 #5
20240411239
2024-12-12

CHARGING DEVICE, IMAGE FORMING APPARATUS, AND CLEANING METHOD

 #6
20240345499
2024-10-17

IMAGE FORMING APPARATUS

 #7
20240308255
2024-09-19

Roller cleaning mechanism and image formation apparatus therewith

 #8
20240231272
2024-07-11

AIR VENTILATION STRUCTURE IN IMAGE FORMING APPARATUS

 #9
20240231265
2024-07-11

IMAGE FORMING APPARATUS AND METHOD

 #10
20240219859
2024-07-04

IMAGE FORMING APPARATUS

 #11
20240168401
2024-05-23

CHARGING DEVICE, TONER-IMAGE FORMING UNIT, AND IMAGE FORMING APPARATUS

 #12
20240134311
2024-04-25

Air ventilation structure in image forming apparatus

 #13
20240111241
2024-04-04

Cleaning member and elastic member

 #14
20240103394
2024-03-28

Image-forming apparatus apparatus including a charging roller to charge a surface of an image carrier

 #15
20240045354
2024-02-08

Optical scanning device and image forming apparatus including the same

 #16
20240045353
2024-02-08

CLEANING BODY, CLEANING DEVICE, CHARGING DEVICE, ASSEMBLY, AND IMAGE FORMING APPARATUS

 #17
20240045352
2024-02-08

Charging device and image formation apparatus

 #18
20230297004
2023-09-21

Cleanerless image forming apparatus with toner containing 1.8% by mass or less an external additive having a diameter of 5-50 nanometers

 #19
20230161291
2023-05-25

Image forming apparatus having channel switching device

 #20
20230152727
2023-05-18

Image forming apparatus

 #21
20230066316
2023-03-02

Image forming apparatus

 #22
20230064135
2023-03-02

Exhaust device and image forming apparatus

 #23
20230021525
2023-01-26

Image forming apparatus with separately controllable airflow for exhaust of ozone and toner particles

 #24
20220413424
2022-12-29

Reducing image burn-in artifacts using a compensation image

 #25
20220404763
2022-12-22

Image forming apparatus with branched ducts for cooling of image forming units

 #26
20220380220
2022-12-01

IMAGE FORMING APPARATUS WITH OZONE REMOVAL

 #27
20220299907
2022-09-22

Charging device and image-forming apparatus capable of preventing an inward inclining of bearing members

 #28
20220291602
2022-09-15

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

 #29
20220276606
2022-09-01

Image forming apparatus having duct with flow dividing plates

 #30
20220187731
2022-06-16

Image forming apparatus capable of suppressing deterioration in accuracy of controlling switching of motors from forward rotation to reverse rotation

 #31
20220107579
2022-04-07

Cleaning device for cleaning a discharge wire, charger, and image forming apparatus

 #32
20220107577
2022-04-07

Gap adjustment of non-contact charging roller

 #33
20210373482
2021-12-02

Image-forming apparatus which controls the rotation of the intermediate transfer belt based on accumulated toner

 #34
20210325816
2021-10-21

Method of producing blade, blade, image forming apparatus, and image forming method

 #35
20210294259
2021-09-23

Image forming apparatus

 #36
20210240124
2021-08-05

Image forming apparatus having a protective agent coater

 #37
20210200114
2021-07-01

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND ELECTROPHOTOGRAPHIC CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGING APPARATUS EMPLOYING THE SAME

 #38
20210088927
2021-03-25

Rotary-body support structure

 #39
20210080849
2021-03-18

Charging device, image carrying unit, and image forming apparatus

 #40
20210072700
2021-03-11

Charging device including a heater that directly heats a housing that houses a charging roll or the charging roll

 #41
20210026270
2021-01-28

Technique for transmitting signal indicating abnormality in image forming apparatus

 #42
20210003951
2021-01-07

Charging device having cleaning roller and charging roller, and image forming apparatus including the charging device

 #43
20200326641
2020-10-15

Image forming apparatus

 #44
20200301334
2020-09-24

Charging device, image forming structure, and image forming device

 #45
20200301307
2020-09-24

Charging device, process cartridge, and image forming apparatus

 #46
20200133146
2020-04-30

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS

 #47
20200096918
2020-03-26

CARTRIDGE AND IMAGE FORMING APPARATUS INCLUDING SAME

 #48
20200081366
2020-03-12

TRANSFER DEVICE AND IMAGE FORMING APPARATUS

 #49
20200057401
2020-02-20

Image forming apparatus

 #50
20200041923
2020-02-06

Image forming apparatus and image forming method

 #51
20190286031
2019-09-19

Image forming apparatus

 #52
20190265625
2019-08-29

Image forming apparatus having recovery of toner by developing member, control of charging voltage and charging member cleaning operation

 #53
20190243298
2019-08-08

Image forming apparatus and image forming apparatus control program

 #54
20190187611
2019-06-20

IMAGE FORMING APPARATUS

 #55
20190094788
2019-03-28

Charging device, unit for image-forming apparatus, process cartridge, and image-forming apparatus

 #56
20190094765
2019-03-28

Cleaning sheet for use in an image forming apparatus and cleaning method

 #57
20190094743
2019-03-28

CHARGING APPARATUS AND IMAGE FORMING APPARATUS

 #58
20190094742
2019-03-28

Cleaning member, charging device, and image forming apparatus

 #59
20190094740
2019-03-28

Image forming apparatus

 #60
20190082074
2019-03-14

Image reading device and image forming apparatus

 #61
20190079427
2019-03-14

Abnormal discharge detection circuit for corona chargers

 #62
20190041776
2019-02-07

Cartridge having cleaning member and image forming apparatus including same

 #63
20190004461
2019-01-03

Image forming apparatus that controls cleaning ability of cleaner and control method thereof

 #64
20180364605
2018-12-20

Image forming apparatus and cartridge having a charging roller with a surface layer including projections

 #65
20180307155
2018-10-25

Image forming apparatus

 #66
20180299819
2018-10-18

Cleaning roller provided with shaft and elastic body wound thereabout

 #67
20180275554
2018-09-27

Cleaning device and image forming apparatus

 #68
20180275553
2018-09-27

Cleaning member, charging device, and image forming apparatus

 #69
20180267457
2018-09-20

Image forming apparatus and method for determining usable period of cleaner used for image forming operations

 #70
20180259870
2018-09-13

Inner resistive film with ductile particles and outer resistive film

 #71
20180224799
2018-08-09

Image forming apparatus, process cartridge, developing cartridge, and drum cartridge

 #72
20180210365
2018-07-26

Image forming apparatus and cleaning method

 #73
20180173152
2018-06-21

Adsorbing member, fixing device and image forming apparatus including the same

 #74
20180143561
2018-05-24

Image forming apparatus

 #75
20180101131
2018-04-12

Image forming apparatus with cartridge having regulation portion for guiding movement of cleaning member

 #76
20180095392
2018-04-05

Image forming apparatus including a charging member configured to rotate at a peripheral velocity different from a peripheral velocity at which an image carrier rotates

 #77
20180095377
2018-04-05

Charging device including first and second cleaning members for cleaning a charging wire

 #78
20180059568
2018-03-01

Cleaning body providing reduced in-plane density unevenness and improved cleaning performance, assembly, and image forming apparatus

 #79
20180039199
2018-02-08

Image forming apparatus with storage of cleaning blade contact pressure

 #80
20170371265
2017-12-28

Image formation apparatus detecting a response from communication part

 #81
20170346980
2017-11-30

Image forming apparatus including displayed notification to prompt cleaning of charger and storage medium

 #82
20170329276
2017-11-16

Electrifier cleaning mechanism and image forming apparatus

 #83
20170285507
2017-10-05

Charging device and image forming apparatus

 #84
20170277121
2017-09-28

Blowing tube, blowing device, and image forming apparatus

 #85
20170242363
2017-08-24

Liquid electrography printing

 #86
20170242362
2017-08-24

Blower duct, blower device, and image forming apparatus

 #87
20170219989
2017-08-03

Cleaning roller provided with shaft and elastic body wound thereabout

 #88
20170219949
2017-08-03

Inner resistive film with ductile particles and outer resistive film without ductile particles

 #89
20170212444
2017-07-27

Charging member, intermediate transfer belt and image forming apparatus having the same

 #90
20170205726
2017-07-20

Charging device and image forming apparatus including movable member to which cleaning member is attached

 #91
20170205725
2017-07-20

Charging device including cleaning member and image forming apparatus

 #92
20170139341
2017-05-18

Charging device having movable charging member and movable cleaning member and image forming apparatus including the charging device

 #93
20170139340
2017-05-18

Image forming apparatus including bearing configured to rotatably support charging member which comes into contact with or separates from image carrier

 #94
20170123338
2017-05-04

Cleaning device, assembly, and image forming apparatus

 #95
20170090330
2017-03-30

Image forming apparatus with cleaning mode using AC voltage

 #96
20170068180
2017-03-09

Charging device, image forming unit comprising the same, and image forming apparatus comprising the same

 #97
20170052494
2017-02-23

Image forming apparatus

 #98
20170052471
2017-02-23

Corona discharger and unit

 #99
20170031257
2017-02-02

Image carrier unit having an image carrier and a charging device for charging the image carrier integrated into a unit and image forming apparatus including same

 #100
20160378013
2016-12-29

Cleaning member, image holder device, and charging device

 #101
20160349657
2016-12-01

Image forming apparatus which sets voltage range for charging an image bearing member

 #102
20160342135
2016-11-24

Image forming apparatus including a blower to perform an operation based on a detection result of the a detector

 #103
20160282744
2016-09-29

Charging device having a holding member that holds a charging member and a cleaning member, and image forming apparatus using the charging device

 #104
20160223931
2016-08-04

Image forming apparatus with corona charger cleaning

 #105
20160216681
2016-07-28

Image forming apparatus

 #106
20160097986
2016-04-07

Image forming apparatus

 #107
20150331349
2015-11-19

Cleaning member having a cleaning material spirally wound around a shaft material, charging apparatus, and image forming apparatus

 #108
20150261182
2015-09-17

Image forming apparatus and charging device

 #109
20150153710
2015-06-04

Image forming apparatus

 #110
20150147083
2015-05-28

Charger and image forming apparatus

 #111
20150098725
2015-04-09

Charging unit, image forming apparatus, and charging unit support member

 #112
20140376949
2014-12-25

Image forming apparatus

 #113
20140369710
2014-12-18

Image forming apparatus ensuring filtration of ozonated air

 #114
20140341608
2014-11-20

Charging device, and image forming apparatus including the same

 #115
20140294431
2014-10-02

Charging device provided with cleaner for cleaning electrode

 #116
20140270847
2014-09-18

Charger positioning adjuster and image forming apparatus incorporating same

 #117
20140186069
2014-07-03

Charging device configured to produce corona discharge

 #118
20140169826
2014-06-19

Image formation unit and image formation apparatus

 #119
20140147163
2014-05-29

Method for bias member charging a photoreceptor

 #120
20140093283
2014-04-03

Charging device

 #121
20140086601
2014-03-27

Driving device, cleaning device, charging device, assembly, and image forming apparatus

 #122
20140079431
2014-03-20

Charging device, image forming apparatus, and charging unit

 #123
20140044448
2014-02-13

Charging device

 #124
20130315615
2013-11-28

Charging device and image forming apparatus including the same

 #125
20130294789
2013-11-07

Image forming apparatus with ion generation mode

 #126
20130279929
2013-10-24

Inferring toner contamination of electrodes from printing parameters

 #127
20130259513
2013-10-03

Cleaning member and charging device, unit for image forming apparatus and process cartridge, and image forming apparatus

 #128
20130251432
2013-09-26

Delivery member for use in an image forming apparatus

 #129
20130251386
2013-09-26

Image forming apparatus and image forming method

 #130
20130195480
2013-08-01

Image forming apparatus

 #131
20130188983
2013-07-25

Image forming apparatus

 #132
20130183061
2013-07-18

Image forming apparatus

 #133
20130164023
2013-06-27

Photosensitive member unit

 #134
20130136486
2013-05-30

Image forming apparatus and cleaning control method

 #135
20130108307
2013-05-02

Blowing device and image forming apparatus

 #136
20130094878
2013-04-18

Charging device

 #137
20130077987
2013-03-28

Electrophotographic apparatus having having temperature dependent photosensitive member

 #138
20130058679
2013-03-07

CHARGER AND IMAGE FORMING APPARATUS

 #139
20130051836
2013-02-28

Image forming apparatus discharging ozone from charger

 #140
20120301180
2012-11-29

Charging member, process for its production, process cartridge and electrophotographic apparatus

 #141
20120201563
2012-08-09

Image Forming Apparatus, Latent Image Carrying Unit, and Developing Unit

 #142
20120195630
2012-08-02

Photosensitive cartridge

 #143
20120163854
2012-06-28

Discharger and image forming apparatus having an electrode cleaning detection member

 #144
20120163835
2012-06-28

Image forming apparatus and image forming method

 #145
20120076530
2012-03-29

Cleaning member including strip shaped body, cleaning device, and image forming apparatus including the same

 #146
20120076529
2012-03-29

Cleaning body, cleaning device, charging device, assembled body, and image forming apparatus

 #147
20120076528
2012-03-29

Cleaning unit including an elastic member spirally wound around and fixed to a shaft

 #148
20120063804
2012-03-15

CHARGING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

 #149
20120027452
2012-02-02

Electrostatic charger device and image forming apparatus

 #150
20120002999
2012-01-05

Image forming device having charging wire cleaning mechanism

 #151
20110318034
2011-12-29

Maintenance system, cleaning system, and image forming apparatus

 #152
20110274459
2011-11-10

Image forming apparatus, charging apparatus and cleaning method of charging apparatus

 #153
20110222900
2011-09-15

Charging device having movable holding member for shutter and image forming apparatus having the same

 #154
20110222898
2011-09-15

Image forming apparatus

 #155
20110222897
2011-09-15

Image forming apparatus with fan control

 #156
20110200352
2011-08-18

IMAGE FORMING APPARATUS AND CLEANING METHOD OF CHARGING ROLLER

 #157
20110200350
2011-08-18

PROCESS UNIT FOR AN IMAGE-FORMING DEVICE

 #158
20110170902
2011-07-14

Cleaning body, cleaning device, charging device, assembly, and image forming device

 #159
20110170901
2011-07-14

Cleaning member for image forming apparatus, charging device, unit for image forming apparatus, process cartridge, and image forming apparatus

 #160
20110121510
2011-05-26

Image forming apparatus

 #161
20110081161
2011-04-07

Charging device and image forming apparatus

 #162
20110058844
2011-03-10

Charger, image forming unit and image forming apparatus having a regular repeating mesh pattern that is changed in a peripheral region

 #163
20110002707
2011-01-06

Charging device and an image forming apparatus provided with the charging device

 #164
20110002706
2011-01-06

Charging device and an image forming apparatus provided with the charging device

 #165
20100303505
2010-12-02

Compact, long life charging device

 #166
20100296835
2010-11-25

Charger

 #167
20100278561
2010-11-04

Electron emitting element for accelerating and emitting electrons, and use of electron emitting element

 #168
20100278553
2010-11-04

AUTOMATED CLEANER FOR A CHARGING DEVICE

 #169
20100278548
2010-11-04

AUTOMATED CLEANER FOR A CHARGING DEVICE

 #170
20100209134
2010-08-19

Image forming apparatus having a plurality of cleaning members and computer readable medium for the same

 #171
20100158582
2010-06-24

Ion generating device, charging device, and image forming apparatus

 #172
20100158558
2010-06-24

Method and apparatus for cleaning an image forming apparatus

 #173
20100111554
2010-05-06

Image forming apparatus including corona charger

 #174
20100104317
2010-04-29

Cleaning device of wire, charging device using the same and image forming apparatus

 #175
20100104315
2010-04-29

Apparatus for charging a photoconductor and cleaning a scorotron grid

 #176
20100092203
2010-04-15

Charging device for using scorotron charging mechanism and image forming device comprising the charging device

 #177
20100086316
2010-04-08

Method and apparatus for corotron cleaning management in an image production device

 #178
20100067939
2010-03-18

Charging apparatus having cleaning device

 #179
20100021190
2010-01-28

Image forming apparatus and image forming method with improved protective agent properties

 #180
20090304410
2009-12-10

Cleaning device, charger unit using the same, image forming assembly and image forming apparatus

 #181
20090208248
2009-08-20

Image forming apparatus and attaching method of charger unit in image forming apparatus to install/remove main chargers

 #182
20090185827
2009-07-23

Charging device with vibrating discharge electrode and image forming apparatus

 #183
20090175655
2009-07-09

Charging device with vibrating grid electrode and image forming apparatus

 #184
20090162100
2009-06-25

Image forming apparatus having charging device using magnetic brush charger

 #185
20090148173
2009-06-11

Image forming apparatus having a control section which detects overcurrent in a motor and controls the motor in response to detection of the overcurrent

 #186
20090074463
2009-03-19

Corona discharge device, photoreceptor charger, and method for making discharge product removing member

 #187
20090074444
2009-03-19

Charging wire cleaning apparatus

 #188
20090067875
2009-03-12

CHARGING DEVICE IN IMAGE FORMING APPARATUS

 #189
20090052939
2009-02-26

Image forming apparatus, and charging device and process cartridge used in the image forming apparatus

 #190
20090003870
2009-01-01

Image forming apparatus for developing an image by a first mode or a second mode based on an input signal

 #191
20080317494
2008-12-25

Cleaning head pick-up system

 #192
20080307638
2008-12-18

Tool for dicorotron wire assembly removal and storage

 #193
20080268361
2008-10-30

IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD

 #194
20080260417
2008-10-23

CHARGING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME

 #195
20080199208
2008-08-21

Method and device to prevent dust agglomeration on corona electrodes

 #196
20080199207
2008-08-21

Cleaning device and charging device, image holding unit and image forming apparatus using same

 #197
20080199206
2008-08-21

Corona charging device cleaning apparatus and method of cleaning a corona charging device

 #198
20080199195
2008-08-21

Charger with a probe and controller

 #199
20080187361
2008-08-07

Image forming method and apparatus which uses alternating voltage to form an electric field for moving toner

 #200
20080159776
2008-07-03

Charging device and image forming apparatus

 #201
20080124130
2008-05-29

CHARGING DEVICE, IMAGE FORMING APPARATUS AND CHARGING METHOD

 #202
20080101816
2008-05-01

Image forming apparatus

 #203
20080085134
2008-04-10

Charging device

 #204
20080069586
2008-03-20

Charge corotron auto-cleaner device

 #205
20080069577
2008-03-20

Grid wire cleaning mechanism

 #206
20080044198
2008-02-21

Electrostatic charger

 #207
20080019728
2008-01-24

Charging device and image forming apparatus

 #208
20070248379
2007-10-25

Corona wire cartridge, corona discharger, and image forming apparatus using the corona discharger

 #209
20070212105
2007-09-13

Electrification device, and image forming apparatus

 #210
20070134019
2007-06-14

Cleaning device and image forming device

 #211
20070122196
2007-05-31

Charging apparatus and image forming apparatus

 #212
20070122195
2007-05-31

Charging apparatus and image forming apparatus

 #213
20070110468
2007-05-17

Image forming apparatus equipped with LED printing head

 #214
20070098446
2007-05-03

Corotron pin guard

 #215
20070092287
2007-04-26

Image forming apparatus and attaching method of charger unit in image forming apparatus

 #216
20070071500
2007-03-29

Dicorotron wire assembly removal and storage tool

 #217
20070069130
2007-03-29

Structure for attaching wire assembly to a dicor housing

 #218
20070069129
2007-03-29

Dicorotron wire assembly removal-insertion tool

 #219
20070065173
2007-03-22

Cleaning system for a charging device in a xerographic printer

 #220
20070065172
2007-03-22

Cleaning system for removing dendrites from a charging device in a xerographic printer

 #221
20070036577
2007-02-15

Image forming apparatus enabling user to directly clean discharge wire

 #222
20070025771
2007-02-01

Shield for charging device in xerographic printing device having reduced rate of contamination

 #223
20070025770
2007-02-01

Shield for charging device in xerographic printing device having enhanced voltage and current uniformity

 #224
20070024690
2007-02-01

Image forming apparatus

 #225
20070003315
2007-01-04

Image forming method and image forming apparatus

 #226
20060275048
2006-12-07

Image forming apparatus including a charger and intake/exhaust

 #227
20060269326
2006-11-30

Dicorotron having a shield insert

 #228
20060233568
2006-10-19

Cartridge and image forming apparatus with discharge electrode detachably attached to a frame

 #229
20060159484
2006-07-20

Image forming apparatus having charging device with grid cleaner

 #230
20060140664
2006-06-29

Process cartridge for image-forming device

 #231
20060127123
2006-06-15

Image forming apparatus, process cartridge and charger having a cleaning member

 #232
20060099005
2006-05-11

Image forming apparatus with a proximity charger roller

 #233
20060093393
2006-05-04

Compact contamination reducing multi-corona system and method for reducing contamination of surfaces being acted upon by corona generating devices

 #234
20060093390
2006-05-04

Image forming device including a cleaning member

 #235
20060088325
2006-04-27

Image forming apparatus with a power controlled flux generator as a function of a detected temperature of an image bearing surface

 #236
20060045559
2006-03-02

Method of actuating a cleaning system and a printing machine including the same

 #237
20060045558
2006-03-02

Image forming apparatus

 #238
20060039719
2006-02-23

Charging device, image forming process cartridge, and image forming apparatus including the charging device

 #239
20060024083
2006-02-02

Image forming apparatus having charging unit with separate intake and exhaust ducts

 #240
20060024082
2006-02-02

Apparatus and method for reducing contamination of an image transfer device

 #241
20050271414
2005-12-08

Image forming apparatus including catalyst and active carbon filters

 #242
20050265750
2005-12-01

Self-regenerative xerographic coatings

 #243
20050265745
2005-12-01

Cleaning apparatus for a rotatable member

 #244
20050238379
2005-10-27

Image forming apparatus having a corona discharge air supplying section

 #245
20050169660
2005-08-04

Charging device, process cartridge, and image forming apparatus

 #246
20050152722
2005-07-14

Method and apparatus for image forming capable of using minuscule spherical particles of toner, a process cartridge in use for the apparatus and a toner used in the image forming for obtaining an image with a high thin line reproducibility

 #247
20050111875
2005-05-26

Image forming apparatus

 #248
20050074256
2005-04-07

Method and apparatus for cleaning a charging device

 #249
20050074254
2005-04-07

Image forming apparatus for preventing the adhesion of discharge products in a charger thereby preventing image defects

 #250
20050063728
2005-03-24

Cleaning member, cleaning device, charging device, transfer device, process cartridge, and image forming apparatus

 #251
20050063727
2005-03-24

Control system for wiping a corona wire in a xerographic printer

 #252
20050031373
2005-02-10

Charger frame, photosensitive member cartridge, and image forming apparatus

 #253
20050019057
2005-01-27

Cleaning device including brush roller with high cleaning performance, image forming apparatus and process unit including the cleaning device, method of removing deposit, and method of forming an image

 #254
17980512
2024-10-15

Image forming apparatus having plural dividing plates in a duct for guiding air

 #255
17366211
2022-07-12

Image forming apparatus having ozone removal

 #256
16746986
2020-10-13

Charging device, process cartridge, image forming apparatus, and assembly