Patents-Review.com
ClassID:

177684 ⎘

G03G15/0853 - CPC Classification

Classification description:

Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer; Arrangements for preparing, mixing, supplying or dispensing developer; Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability; Detection or control means for the developer concentration the concentration being measured by magnetic means

Recent Application in this class:
#1
20260126741
2026-05-07

IMAGE FORMING APPARATUS

 #2
20260126739
2026-05-07

IMAGE FORMING APPARATUS

 #3
20260023336
2026-01-22

IMAGE FORMING APPARATUS

 #4
20250321533
2025-10-16

IMAGE FORMING APPARATUS

 #5
20250271788
2025-08-28

CARTRIDGE, IMAGE FORMING APPARATUS, DEVELOPING APPARATUS, AND TONER CARTRIDGE

 #6
20250237972
2025-07-24

DEVELOPING DEVICE

 #7
20250189910
2025-06-12

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

 #8
20240255880
2024-08-01

SERPINA1 SIRNAS: COMPOSITIONS OF MATTER AND METHODS OF TREATMENT

 #9
20230400795
2023-12-14

Developing device having inductance sensor

 #10
20230400791
2023-12-14

Developing device having inductance sensor

 #11
20230333497
2023-10-19

Developing device including sensor holder including insertion portion, process cartridge, and image forming apparatus

 #12
20230024111
2023-01-26

Image forming apparatus including developer conveying member and toner concentration sensor

 #13
20230022432
2023-01-26

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

 #14
20220236664
2022-07-28

Developing device

 #15
20220229382
2022-07-21

Developing device capable of detecting storage amount of developer, image forming apparatus, and developer detection method

 #16
20220155716
2022-05-19

SERPINA1 SIRNAS: COMPOSITIONS OF MATTER AND METHODS OF TREATMENT

 #17
20210341856
2021-11-04

Controlling amount of developer by using output waveform obtained from toner concentration sensor

 #18
20210302884
2021-09-30

Image forming apparatus and non-transitory computer readable medium

 #19
20210216028
2021-07-15

Powder transport device, developing device, and image forming apparatus

 #20
20210041823
2021-02-11

SERPINA1 SIRNAS: COMPOSITIONS OF MATTER AND METHODS OF TREATMENT

 #21
20200241443
2020-07-30

IMAGE FORMING APPARATUS AND CONTROL METHOD

 #22
20200033759
2020-01-30

Developing device and image forming apparatus

 #23
20200019090
2020-01-16

Developing device and image forming apparatus therewith to prevent degradation in charging performance

 #24
20190354055
2019-11-21

Serpina1 siRNAs: compositions of matter and methods of treatment

 #25
20190265612
2019-08-29

Image forming apparatus having image formation interruption

 #26
20190187604
2019-06-20

Image forming apparatus and control method for an image forming apparatus

 #27
20190064698
2019-02-28

Toner supplying means and image forming apparatus comprising the same

 #28
20180267421
2018-09-20

Carrier, developer, supplemental developer, image forming apparatus, image forming method, and process cartridge

 #29
20180253033
2018-09-06

Developing device and image forming apparatus including same

 #30
20180120749
2018-05-03

SERPINA1 SIRNAS: COMPOSITIONS OF MATTER AND METHODS OF TREATMENT

 #31
20180059606
2018-03-01

Developing apparatus having a rib portioned conveyance screw

 #32
20180017922
2018-01-18

Image forming apparatus

 #33
20170329266
2017-11-16

Image forming apparatus

 #34
20170255129
2017-09-07

Developing device having toner content detection

 #35
20160291508
2016-10-06

Sensor device, toner concentration detection method and image forming apparatus

 #36
20160187163
2016-06-30

Differential transformer magnetic permeability sensor

 #37
20160179048
2016-06-23

Image forming apparatus having developer supplying control

 #38
20160084924
2016-03-24

Magnetic permeability sensor and magnetic permeability detecting method, dielectric permittivity sensor and dielectric permittivity detecting method, and magnetic permeability and dielectric permittivity sensor and magnetic permeability and dielectric permittivity detecting method

 #39
20160070198
2016-03-10

Image forming apparatus

 #40
20160041497
2016-02-11

Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor

 #41
20160041495
2016-02-11

Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor

 #42
20160033895
2016-02-04

Image forming apparatus to which toner container capable of containing two toners having different magnetic permeabilities is capable of being attached

 #43
20150277280
2015-10-01

Differential transformer magnetic permeability sensor

 #44
20150043932
2015-02-12

Container and image forming apparatus

 #45
20140312886
2014-10-23

Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method therefor

 #46
20140103922
2014-04-17

Differential transformer type magnetic sensor and image forming apparatus

 #47
20140103910
2014-04-17

Differential transformer type magnetic sensor and image forming apparatus

 #48
20140099134
2014-04-10

Image forming apparatus for deciding a magnetic toner amount on the basis of an output value and a standard value

 #49
20140097836
2014-04-10

Differential transformer type magnetic sensor and image forming apparatus

 #50
20130223855
2013-08-29

Image forming apparatus and toner cartridge

 #51
20130188973
2013-07-25

Image forming apparatus

 #52
20130142527
2013-06-06

Image forming apparatus having toner supply control

 #53
20130058669
2013-03-07

Image forming apparatus

 #54
20120308269
2012-12-06

Developing device and electrophotographic image forming apparatus including the same

 #55
20120301160
2012-11-29

Image forming apparatus and image forming method

 #56
20120201573
2012-08-09

Stir-transport member, development device provided therewith, and image forming apparatus

 #57
20120163845
2012-06-28

Image forming apparatus

 #58
20120155892
2012-06-21

Image forming apparatus with developing device, sensor, and controller

 #59
20120014719
2012-01-19

Developing device and image forming apparatus having the developing device

 #60
20110299860
2011-12-08

Image forming apparatus and toner refilling method therefor

 #61
20110262161
2011-10-27

IMAGE FORMING APPARATUS

 #62
20110262155
2011-10-27

Image forming apparatus and image forming method using the same

 #63
20110255888
2011-10-20

Image forming apparatus and image forming method

 #64
20110255887
2011-10-20

Image forming apparatus

 #65
20110255886
2011-10-20

Image forming apparatus and control method thereof

 #66
20110243584
2011-10-06

DEVELOPING DEVICE

 #67
20110229211
2011-09-22

Toner dispensing member and toner dispersing mechanism provided therewith

 #68
20110229157
2011-09-22

Image forming device, device and system for controlling an image forming device, and recording medium

 #69
20110229156
2011-09-22

Toner concentration controller and image forming apparatus including the toner concentration controller

 #70
20110222872
2011-09-15

IMAGE FORMING APPARATUS

 #71
20110182605
2011-07-28

Image forming device and method of adjusting density of formed image

 #72
20110176820
2011-07-21

Development device, process cartridge, and image forming apparatus

 #73
20110170890
2011-07-14

Image forming device and developer supply method including pre-supply toner detection

 #74
20110170889
2011-07-14

Image forming apparatus that detects consumable supplies

 #75
20110069977
2011-03-24

Management system, management device, management method and computer readable medium

 #76
20110058824
2011-03-10

IMAGE FORMING APPARATUS

 #77
20110052223
2011-03-03

Developing device and image-forming apparatus

 #78
20110044705
2011-02-24

Color image forming apparatus

 #79
20110020017
2011-01-27

Developer supplying device, developing device, and image forming apparatus

 #80
20100322672
2010-12-23

Developing apparatus and image forming apparatus provided with the same

 #81
20100322671
2010-12-23

Developing apparatus and image forming apparatus provided with the same

 #82
20100322670
2010-12-23

Developing device and image forming apparatus using the same

 #83
20100322644
2010-12-23

IMAGE FORMING APPARATUS AND METHOD OF DETERMINING AMOUNT OF TONER REMAINING IN TONER CARTRIDGE

 #84
20100290795
2010-11-18

Toner concentration sensor and toner concentration control method

 #85
20100272457
2010-10-28

Developing device and image forming apparatus including the same

 #86
20100260507
2010-10-14

Developing apparatus

 #87
20100247118
2010-09-30

Supply control apparatus, image-forming apparatus, and supply control method

 #88
20100226673
2010-09-09

Image forming apparatus including image bearing member surface abrassion control feature

 #89
20100226664
2010-09-09

Image forming apparatus and method for controlling image density

 #90
20100183341
2010-07-22

DEVELOPING DEVICE, DEVELOPING METHOD, AND IMAGE FORMING APPARATUS

 #91
20100119263
2010-05-13

Developing device and image forming apparatus

 #92
20100111547
2010-05-06

Image forming apparatus including a toner supply controller to control a supply of toner

 #93
20100104305
2010-04-29

Image forming apparatus

 #94
20100104300
2010-04-29

IMAGE FORMING APPARATUS

 #95
20090317105
2009-12-24

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

 #96
20090310985
2009-12-17

Image forming device having a trickle developing apparatus

 #97
20090310984
2009-12-17

Developing apparatus and image forming machine

 #98
20090304399
2009-12-10

Image forming apparatus, and method and program for determining timing to execute image adjusting processing

 #99
20090290887
2009-11-26

Developing apparatus and image forming machine

 #100
20090279907
2009-11-12

Reuse method and a reusable device for an image forming apparatus having a first process linear velocity and a second image processing apparatus having a second process linear velocity

 #101
20090257761
2009-10-15

Developing device, process unit, and image forming apparatus developer

 #102
20090238584
2009-09-24

Image forming apparatus, image quality management method and image quality management program

 #103
20090226194
2009-09-10

Image forming apparatus, method of determining amount of developer supply, and program of determining amount of developer supply

 #104
20090220253
2009-09-03

Image forming apparatus with system for replenishing a plurality of toner cartridges

 #105
20090214233
2009-08-27

Developing device and image forming apparatus

 #106
20090214232
2009-08-27

Developing device and image forming apparatus

 #107
20090208234
2009-08-20

Magnetic material detecting device

 #108
20090190960
2009-07-30

Process cartridge including developing unit and incorporated in image forming apparatus

 #109
20090148193
2009-06-11

Developing device

 #110
20090129792
2009-05-21

Developing device of image forming apparatus using a toner and carrier mixture

 #111
20090116861
2009-05-07

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

 #112
20090116858
2009-05-07

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

 #113
20090110414
2009-04-30

Image stabilizing apparatus and image forming apparatus

 #114
20090110413
2009-04-30

Image forming apparatus and image density control method

 #115
20090103935
2009-04-23

Image forming apparatus and developer supply method therefor

 #116
20090080913
2009-03-26

Developing device, image forming apparatus, and process unit

 #117
20090074471
2009-03-19

Conveyor device and image forming apparatus

 #118
20090074468
2009-03-19

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

 #119
20090010669
2009-01-08

Developing device, image forming apparatus including the same and developing method

 #120
20080273888
2008-11-06

Development apparatus, image forming apparatus, and developer transfer method

 #121
20080273885
2008-11-06

Image forming apparatus for maintaining a uniform toner concentration

 #122
20080240760
2008-10-02

Image forming apparatus and toner replenishment control method

 #123
20080232836
2008-09-25

Image forming apparatus

 #124
20080219684
2008-09-11

Image forming apparatus with variable process speed

 #125
20080205923
2008-08-28

Image forming apparatus and image density control method

 #126
20080181638
2008-07-31

Image forming apparatus

 #127
20080181631
2008-07-31

Image forming device

 #128
20080124108
2008-05-29

Image forming apparatus with toner concentration sensor

 #129
20080124107
2008-05-29

Image forming apparatus and image density control method

 #130
20080118268
2008-05-22

METHOD OF COARSE CALIBRATION OF THE PACKER SENSOR USING A ZERO % TC READING

 #131
20080069580
2008-03-20

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

 #132
20080063435
2008-03-13

Conveyor device and image forming apparatus

 #133
20080063434
2008-03-13

Developing-agent container, method of manufacturing developing-agent container, developing-agent supplying device, and image forming apparatus

 #134
20080019712
2008-01-24

Toner replenishing method, toner replenishing apparatus, and computer readable recording medium

 #135
20070286617
2007-12-13

Developing device, and process unit and image forming apparatus using the developing device

 #136
20070286616
2007-12-13

Image forming apparatus and management system

 #137
20070269228
2007-11-22

Image forming apparatus and image forming method

 #138
20070248368
2007-10-25

Image forming apparatus including controller to detect condition of image developer

 #139
20070242984
2007-10-18

Conveyor device and image forming apparatus

 #140
20070223946
2007-09-27

Method and apparatus for image forming capable of controlling toner concentration accurately

 #141
20070196116
2007-08-23

Image forming device

 #142
20070172260
2007-07-26

Image forming apparatus wherein a carrier weight ratio in a first supply container and carrier weight ratio in a second supply container are substantially equal to each other

 #143
20070166065
2007-07-19

Image forming apparatus and image forming method using decolorizing toner

 #144
20070122169
2007-05-31

Image forming apparatus and image density control method

 #145
20070122168
2007-05-31

Image density control method and image forming apparatus

 #146
20070116480
2007-05-24

Image forming apparatus with a two component developer, toner density detection and toner density correction

 #147
20070110457
2007-05-17

Image forming apparatus with toner density control

 #148
20070110455
2007-05-17

Toner replenishment determination device of an image forming apparatus

 #149
20070086797
2007-04-19

Method and apparatus for image forming capable of effectively correcting output from toner density sensor

 #150
20070058998
2007-03-15

Image forming apparatus and a method of effectively detecting toner state in the same

 #151
20070058996
2007-03-15

Image forming apparatus and method for detecting amount of remaining toner

 #152
20070058995
2007-03-15

Development method with controlled toner density

 #153
20070047981
2007-03-01

Image forming apparatus with toner content detection and image density detection

 #154
20070036566
2007-02-15

Image forming apparatus and toner concentration controlling method

 #155
20060285861
2006-12-21

Development device and toner replenishment method

 #156
20060269331
2006-11-30

Dry ink developer station warmer for improved dry ink charge control and dry ink concentration stability

 #157
20060269303
2006-11-30

Method and device for setting the toner concentration in the developer station of an electrophotographic printer or copier

 #158
20060239701
2006-10-26

Image forming apparatus for controlling variation of image density and toner concentration

 #159
20060204256
2006-09-14

Image forming apparatus

 #160
20060198662
2006-09-07

Developing device and method of forming images

 #161
20060198649
2006-09-07

Image forming apparatus and image forming method using decolorizing toner

 #162
20060198643
2006-09-07

Remaining amount of toner detecting apparatus, toner cartridge and image forming apparatus

 #163
20060193650
2006-08-31

Developing device with corrected toner density sensing, control method, and computer-readable storage medium

 #164
20060177235
2006-08-10

Developing device

 #165
20060165422
2006-07-27

Image forming method and apparatus capable of effectively performing charging operation

 #166
20060127111
2006-06-15

Toner concentration sensor

 #167
20060127109
2006-06-15

Image forming apparatus, toner density control method, toner density control program and storage medium for storing the program

 #168
20060104648
2006-05-18

Consumable-article detecting apparatus, method and program, and image forming apparatus

 #169
20060099000
2006-05-11

Method and device for controlling the time at which the toner concentration is measured in a developer mixture containing toner and carriers, and corresponding printer or copier

 #170
20060056863
2006-03-16

Developing apparatus, developing method, and developing agent therefor

 #171
20060029403
2006-02-09

Image forming apparatus and a developing apparatus having a unit for determining a mixture ratio of two types of magnetic toner based on magnetic permeability and amount

 #172
20060018673
2006-01-26

Image forming apparatus and a method thereof for supplying toner

 #173
20060002722
2006-01-05

System and method for detecting a life time of a developer

 #174
20050244193
2005-11-03

Toner supplying device, toner supplying process, image forming apparatus, and image forming process

 #175
20050238369
2005-10-27

Toner level detection method and image forming apparatus employing such toner level detection method

 #176
20050220463
2005-10-06

Image forming apparatus with replenishment developer device

 #177
20050214000
2005-09-29

Image forming apparatus and management system

 #178
20050207794
2005-09-22

Image forming apparatus and toner stirring method

 #179
20050207793
2005-09-22

Image forming apparatus

 #180
20050191067
2005-09-01

Image forming apparatus for determining completion of a toner-end recovery operation

 #181
20050152708
2005-07-14

Developing device, image forming device equipped therewith, and developing density adjusting method

 #182
20050129418
2005-06-16

Image forming apparatus and toner supply method

 #183
20050123312
2005-06-09

Developing apparatus and electrostatic recording apparatus using the same

 #184
20050117936
2005-06-02

Conveyor device and image forming apparatus

 #185
20050063716
2005-03-24

Image forming apparatus

 #186
20050063714
2005-03-24

Image forming apparatus and method of controlling same

 #187
20050058464
2005-03-17

Developing device for suppressing variations in bulk density of developer, and an image forming apparatus including the developing device

 #188
20050019048
2005-01-27

Tandem type color image forming apparatus

 #189
18465198
2024-11-26

Image forming apparatus

 #190
16027657
2019-11-12

Toner level sensing using rotatable magnets having varying angular offset