ClassID:

177990

G03G2215/00042 - CPC Classification

Classification description:

Apparatus for electrophotographic processes; Machine control, e.g. regulating different parts of the machine; Image density detection on recording member; Toner image detection Optical detection

Recent Application in this class:
#1
20250341800
2025-11-06

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND RECORDING MEDIUM

#2
20250334914
2025-10-30

IMAGE FORMING APPARATUS

#3
20250328100
2025-10-23

COLOR CORRECTION PATTERN FORMING METHOD AND IMAGE FORMING DEVICE

#4
20250321526
2025-10-16

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

#5
20250237983
2025-07-24

IMAGE FORMING APPARATUS

#6
20250237982
2025-07-24

IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING IMAGE FORMING APPARATUS

#7
20250231514
2025-07-17

IMAGE FORMING APPARATUS

#8
20250013182
2025-01-09

IMAGE FORMING SYSTEM

#9
20250013172
2025-01-09

IMAGE FORMING APPARATUS

#10
20240411247
2024-12-12

IMAGE FORMING SYSTEM

#11
20240369952
2024-11-07

IMAGE FORMING APPARATUS

#12
20240353783
2024-10-24

IMAGE FORMING APPARATUS

#13
20240152078
2024-05-09

IMAGE FORMING APPARATUS THAT PERFORMS SHADING CORRECTION TO MAINTAIN PRINT POSITION ACCURACY

#14
20240103419
2024-03-28

Image forming apparatus capable of adjusting emission light amount of light-emitting portion, and light amount adjustment method

#15
20240103399
2024-03-28

Toner concentration sensing apparatus capable of accurately sensing toner concentration of toner image, image forming apparatus, and toner concentration sensing method

#16
20240085838
2024-03-14

Image forming apparatus

#17
20240069479
2024-02-29

OPTICAL DEVICE, IMAGE READING DEVICE, AND ASSEMBLING METHOD

#18
20230384725
2023-11-30

Image forming apparatus to perform phase matching control to match phases of image-density cycle fluctuations

#19
20230314996
2023-10-05

Image forming apparatus

#20
20230280687
2023-09-07

Image forming apparatus and image forming method

#21
20230176497
2023-06-08

Image forming apparatus for correcting density unevenness in a scanning direction

#22
20230128451
2023-04-27

Image forming apparatus with a laser power correcting feature

#23
20230127750
2023-04-27

Image forming and correction apparatus

#24
20230113467
2023-04-13

Image forming apparatus with charge and development bias controlling features

#25
20230100357
2023-03-30

Registration of white toner in an electrophotographic printer

#26
20230098967
2023-03-30

Registration of white toner using sensing system with colored reflector plate

#27
20230097732
2023-03-30

Image forming apparatus

#28
20230048843
2023-02-16

Image forming apparatus

#29
20230013372
2023-01-19

Image forming apparatus

#30
20220206424
2022-06-30

Image processing method, image processing apparatus

#31
20220128939
2022-04-28

Image forming apparatus

#32
20220100136
2022-03-31

Image forming apparatus

#33
20220066372
2022-03-03

Image forming apparatus

#34
20220004133
2022-01-06

Image forming apparatus having detection unit with shutter

#35
20210382421
2021-12-09

Image forming apparatus that performs shading correction to maintain print position accuracy

#36
20210318650
2021-10-14

Image forming apparatus

#37
20210311423
2021-10-07

Image forming apparatus that controls light emission amount when detecting detection image

#38
20210278792
2021-09-09

Image forming apparatus that obtains color misregistration amount using detection result of test image

#39
20210263443
2021-08-26

Image forming apparatus and image forming method

#40
20210096494
2021-04-01

Image forming apparatus

#41
20210088955
2021-03-25

Image forming apparatus for determining sensor installation tilt angle, method of controlling image forming apparatus, and non-transitory recording medium

#42
20210080887
2021-03-18

Image forming apparatus including a detection unit configured to detect a density of a reference toner image

#43
20210063937
2021-03-04

Image forming apparatus operable in modes having different color gamuts

#44
20210041822
2021-02-11

Image forming apparatus that corrects density uneveness in a main scanning direction

#45
20210003449
2021-01-07

Calibrating optical density

#46
20200310305
2020-10-01

Image forming apparatus

#47
20200233357
2020-07-23

Image forming apparatus

#48
20200218191
2020-07-09

Image forming apparatus operable in modes having different color gamuts

#49
20200133160
2020-04-30

Image forming apparatus and image forming method determining characteristic relating image data and density

#50
20200065036
2020-02-27

IMAGE FORMATION SYSTEM, IMAGE ASSESSMENT METHOD AND COMPUTER-READABLE RECORDING MEDIUM

#51
20200033761
2020-01-30

Image forming apparatus adjusting light emission of light-emitting element

#52
20190286034
2019-09-19

Image forming apparatus and storage medium

#53
20190155188
2019-05-23

Image forming apparatus and image forming method

#54
20190146395
2019-05-16

Liquid electrophotographic dot gain determination

#55
20190129328
2019-05-02

Developing device and image forming device

#56
20190064698
2019-02-28

Toner supplying means and image forming apparatus comprising the same

#57
20190041785
2019-02-07

Image forming apparatus for detecting fault location

#58
20190041784
2019-02-07

Image forming apparatus for detecting fault location

#59
20180356759
2018-12-13

Image forming apparatus and image forming method

#60
20180348685
2018-12-06

Image forming apparatus and control method which generates color processing condition

#61
20180341207
2018-11-29

Image forming apparatus having shutter member for optical sensor

#62
20180292776
2018-10-11

Optical sensor having an irradiating light separation component and image forming apparatus thereof

#63
20180284675
2018-10-04

Image forming apparatus that uses a predetermined measurement image and controls image density

#64
20180267452
2018-09-20

Image forming apparatus including an image density detector of halftone images

#65
20180210386
2018-07-26

Integrated sensor and image forming apparatus therewith

#66
20180181047
2018-06-28

Image forming apparatus that permits or prohibits a calibration process depending on a type of a mounted fixing device

#67
20180150011
2018-05-31

Image forming apparatus having shutter member for optical sensor

#68
20180139346
2018-05-17

Image forming apparatus and optical sensor detecting target formed on image carrier or recording medium

#69
20180136593
2018-05-17

Image forming apparatus

#70
20180074449
2018-03-15

Image forming apparatus configured to execute a calibration process for a fixing device

#71
20180067435
2018-03-08

Image formation apparatus

#72
20180059602
2018-03-01

Image forming apparatus

#73
20170329265
2017-11-16

Image forming apparatus with write start timing determination

#74
20170293237
2017-10-12

Image forming apparatus capable of controlling density of output image

#75
20170285552
2017-10-05

Image forming apparatus and control program

#76
20170153569
2017-06-01

Optical apparatus and image forming apparatus including the optical apparatus

#77
20170134604
2017-05-11

Image forming apparatus and optical sensor detecting target formed on image carrier or recording medium using effective light-receiving elements

#78
20160357137
2016-12-08

Image forming apparatus

#79
20160313685
2016-10-27

Image forming apparatus having blocking member for optical sensor

#80
20160252862
2016-09-01

Printing with continuous color calibration

#81
20160170325
2016-06-16

Optical apparatus and image forming apparatus including the optical apparatus

#82
20160147177
2016-05-26

Toner detection sensor and image forming apparatus

#83
20160077458
2016-03-17

Image forming apparatus that corrects image forming condition based on measurement result of measurement image

#84
20160069800
2016-03-10

Reflective sensor

#85
20150277320
2015-10-01

Image forming apparatus

#86
20150093131
2015-04-02

Optical sensor, image forming device, and method for correcting toner concentration

#87
20150037057
2015-02-05

Toner-density calculating method, reflective optical sensor, reflective optical sensor device, and image forming apparatus

#88
20140348521
2014-11-27

Image forming apparatus and image density control method employed by the image forming apparatus

#89
20140226997
2014-08-14

Image forming apparatus capable of changing the number of light receiving elements of a light receiving unit

#90
20130302050
2013-11-14

Image forming apparatus for detecting misregistration amount and density

#91
20130259501
2013-10-03

Method of operating a printer with unfused toner process control

#92
20130120807
2013-05-16

Image forming apparatus, image forming method, and program

#93
20130071131
2013-03-21

Image forming apparatus capable of stabilizing image density on a short-term and long-term basis

#94
20130064564
2013-03-14

Registration mark and image forming apparatus

#95
20130016988
2013-01-17

Image forming apparatus and control method thereof

#96
20130004188
2013-01-03

Image forming with abnormity detection

#97
20120268750
2012-10-25

Toner-density calculating method, reflective optical sensor, reflective optical sensor device, and image forming apparatus

#98
20120263484
2012-10-18

Image forming apparatus and image forming apparatus control method

#99
20120243897
2012-09-27

Measuring apparatus, measuring method and image forming apparatus

#100
20120163843
2012-06-28

Image forming apparatus

#101
20120020686
2012-01-26

Image forming apparatus of intermediate transfer method, including pre-secondary-transfer charging section and concentration detection section

#102
20110304867
2011-12-15

Imaging forming apparatus

#103
20110280605
2011-11-17

Image forming apparatus

#104
20110280594
2011-11-17

Image forming apparatus capable of correcting image density promptly according to change in toner density, and method of controlling the image forming apparatus

#105
20110255106
2011-10-20

Image forming apparatus, image forming method, and program

#106
20110182601
2011-07-28

Image forming apparatus

#107
20110157273
2011-06-30

Method for determining the character width of characters constructed from printed dots in a printing or copying device

#108
20110110676
2011-05-12

Image forming apparatus that adjusts a secondary transfer condition for a secondary transfer device based on a degradation of toner

#109
20110091235
2011-04-21

Image forming apparatus and method to detect toner thereof

#110
20110091224
2011-04-21

Image forming apparatus and method capable of changing image formation condition based on detection result of reference image

#111
20110044707
2011-02-24

Toner image processing machine with charge compensation and method thereof

#112
20100329711
2010-12-30

IMAGE FORMING APPARATUS PROVIDED WITH TONER DENSITY DETECTION SECTION

#113
20100296825
2010-11-25

Development monitoring method and system

#114
20100272461
2010-10-28

Effective scheduling algorithm for belt space conservation

#115
20100272453
2010-10-28

Image forming apparatus

#116
20100266296
2010-10-21

IMAGE FORMING APPARATUS AND IMAGE QUALITY MAINTENANCE METHOD FOR IMAGE FORMING APPARAUTS

#117
20100226687
2010-09-09

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

#118
20100214580
2010-08-26

Method and system for improved solid area and heavy shadow uniformity in printed documents

#119
20100172664
2010-07-08

Adjusting electrostatic charges used in a laser printer

#120
20100166445
2010-07-01

Toner adhesion amount measuring apparatus, and toner adhesion amount measuring method

#121
20100166443
2010-07-01

Image processing apparatus and image processing apparatus control method

#122
20100150584
2010-06-17

Detection apparatus and toner detection apparatus using the same

#123
20100092194
2010-04-15

Image forming apparatus and control method thereof

#124
20100080591
2010-04-01

Image forming apparatus

#125
20100074645
2010-03-25

Image forming apparatus and image controlling method

#126
20100067932
2010-03-18

IMAGE FORMING APPARATUS

#127
20100046013
2010-02-25

Applications, systems and methods for identifying and monitoring critical colors in customer print jobs

#128
20100040389
2010-02-18

Image forming apparatus

#129
20100021196
2010-01-28

Measuring apparatus, measuring method and image forming apparatus

#130
20100014896
2010-01-21

Use of xerographic images and a full-width array sensor for multiple control system sensing

#131
20100014877
2010-01-21

Dynamic process control for printing devices in the presence of reload defects

#132
20100008682
2010-01-14

Image forming apparatus and control method thereof

#133
20100008681
2010-01-14

Image forming apparatus, computer program product for forming image, and image forming method

#134
20100003044
2010-01-07

Amplitude modulation of illuminators in sensing applications in printing system

#135
20090274478
2009-11-05

Image forming apparatus and sensing device thereof

#136
20090273813
2009-11-05

Method of correcting streaks using exposure modulation and spatially varying TRCs

#137
20090245821
2009-10-01

Image forming apparatus capable of stably maintaining an image density

#138
20090238590
2009-09-24

Toner-density calculating method, reflective optical sensor, reflective optical sensor device, and image forming apparatus

#139
20090220261
2009-09-03

Image forming apparatus and control method thereof

#140
20090208233
2009-08-20

Image forming apparatus, control method thereof, program and recording medium

#141
20090208231
2009-08-20

Electronic photograph printer

#142
20090202263
2009-08-13

Image forming apparatus and image density control method

#143
20090180803
2009-07-16

Image forming apparatus

#144
20090180111
2009-07-16

Illuminator for specular measurements

#145
20090175634
2009-07-09

Method for controlling image forming apparatus

#146
20090162089
2009-06-25

Image forming apparatus and method of calculating an amount of toner transfer by converting diffuse reflection output into a conversion value

#147
20090162084
2009-06-25

Image forming apparatus and control method for the same

#148
20090161111
2009-06-25

Calibration method for compensating for non-uniformity errors in sensors measuring specular reflection

#149
20090047032
2009-02-19

System for measuring marking material on a surface, such as in color xerography

#150
20090041490
2009-02-12

Image forming apparatus and method of performing density correction

#151
20090015853
2009-01-15

Image forming apparatus using a density pattern

#152
20090010664
2009-01-08

Image forming apparatus

#153
20080304841
2008-12-11

Electrophotographic system to enable direct sensing of toner quantity

#154
20080292360
2008-11-27

Optical sensor and image forming apparatus including same

#155
20080292350
2008-11-27

Brick-based system for scheduling functions in a printing apparatus

#156
20080273889
2008-11-06

Image forming apparatus and method using liquid development in which toner density is determined based on patch image density

#157
20080267640
2008-10-30

Image forming apparatus with image carrier deterioration detection

#158
20080266375
2008-10-30

Optical scanning apparatus, method of controlling amount of light, and image forming apparatus

#159
20080226316
2008-09-18

Image forming apparatus having a calibration section for an image density sensor

#160
20080205916
2008-08-28

Image forming apparatus featuring correlation of toner concentration control and image parameter control

#161
20080199194
2008-08-21

Method and apparatus for controlling an image density

#162
20080199193
2008-08-21

Image forming apparatus and failure detection method therefor

#163
20080187336
2008-08-07

Image forming apparatus

#164
20080175610
2008-07-24

Reflective sensor sampling for tone reproduction control regulation

#165
20080175608
2008-07-24

IMAGE FORMING APPARATUS AND METHOD THEREOF

#166
20080170870
2008-07-17

IMAGE FORMING APPARATUS

#167
20080170220
2008-07-17

Optical sensor and image forming apparatus that processes specular reflection light

#168
20080131152
2008-06-05

Image forming apparatus and image forming apparatus control method

#169
20080118256
2008-05-22

Developer cartridge replacement scheme for electrostatographic printing

#170
20080089708
2008-04-17

System and method for determining an amount of toner mass on a photoreceptor

#171
20080089706
2008-04-17

Image forming apparatus

#172
20080075485
2008-03-27

Image formation control based on printing rate

#173
20080075484
2008-03-27

Image forming apparatus including image formation adjustment based on prior use

#174
20080075480
2008-03-27

Toner consumption-calculating apparatus, image forming apparatus, and toner consumption calculating method

#175
20080056744
2008-03-06

Light amount measuring device, image forming apparatus, and toner density measuring apparatus

#176
20080050134
2008-02-28

Image forming apparatus and method of calculating an amount of toner transfer by converting regular reflection output into a normalized value

#177
20080050133
2008-02-28

System for initiating image-quality tests in a digital printer

#178
20080025738
2008-01-31

Toner density estimating method and apparatus using toner image and toner supplying method and apparatus

#179
20070297817
2007-12-27

Image forming apparatus

#180
20070286622
2007-12-13

Image forming apparatus and method for controlling image density thereof

#181
20070242967
2007-10-18

Image forming apparatus

#182
20070237534
2007-10-11

Dot Gain And Color Linearization Dual Calibration

#183
20070223954
2007-09-27

Toner density detection apparatus and image forming apparatus having the same

#184
20070166064
2007-07-19

IMAGE OUTPUT APPARATUS, OUTPUT IMAGE CONTROL METHOD AND OUTPUT IMAGE CONTROL PROGRAM

#185
20070140742
2007-06-21

Addition of liquid charge control agents to toner in toner development stations of electrographic reproduction apparatus

#186
20070140741
2007-06-21

Addition of liquid charge control agents to toner in toner development stations of electrographic reproduction apparatus

#187
20070122171
2007-05-31

Image forming apparatus and method of controlling an image quality

#188
20070110485
2007-05-17

Multi-color image-forming apparatus, optical sensor, and method for the same

#189
20070110465
2007-05-17

Color mis-registration measurement using an infra-red color density sensor

#190
20070092275
2007-04-26

Image forming apparatus using detection of toner image on image bearing member

#191
20070092274
2007-04-26

Image-based compensation and control of photoreceptor ghosting defect

#192
20070086799
2007-04-19

Method and apparatus for sensing and controlling residual mass on customer images

#193
20070086797
2007-04-19

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

#194
20070081829
2007-04-12

Image forming apparatus and output image density correction method

#195
20070053703
2007-03-08

Image forming apparatus including toner supply controlling unit

#196
20070046962
2007-03-01

Image-forming apparatus and control method thereof

#197
20070025748
2007-02-01

Image forming apparatus capable of reducing a lengthy duration of an adjustment control

#198
20070019976
2007-01-25

Image forming method and apparatus with improved conversion capability of amount of toner adhesion

#199
20070003302
2007-01-04

Image quality measurements using linear array in specular mode

#200
20060285864
2006-12-21

Image forming device that performs density detection

#201
20060285860
2006-12-21

Image forming apparatus administration system with developer density detection and developer lifetime information communication features

#202
20060244980
2006-11-02

Image quality adjustment method and system

#203
20060239705
2006-10-26

Method and apparatus for controlling an image density

#204
20060239704
2006-10-26

Image forming apparatus, method of calculating amount of toner transfer, methods of converting regular reflection output and diffuse reflection output, method of converting amount of toner transfer, apparatus for detecting amount of toner transfer, gradation pattern, and methods of controlling toner density and image density

#205
20060233559
2006-10-19

Image forming apparatus, image forming method, toner counter and calculation method of toner consumption

#206
20060222383
2006-10-05

Image forming apparatus that generates a different light pattern for different development apparatuses

#207
20060204267
2006-09-14

Image forming apparatus

#208
20060204261
2006-09-14

Image forming apparatus and image forming method for performing density control of toner images

#209
20060198648
2006-09-07

Image forming apparatus and control method for the same

#210
20060193651
2006-08-31

Image forming apparatus and image forming method using liquid development

#211
20060188279
2006-08-24

Image forming apparatus and method using liquid development in which toner density is determined based on patch image density

#212
20060165422
2006-07-27

Image forming method and apparatus capable of effectively performing charging operation

#213
20060140682
2006-06-29

Image forming apparatus with control blade having an arcuate shape

#214
20060125907
2006-06-15

Image recording apparatus

#215
20060104653
2006-05-18

Image forming apparatus and controlling method

#216
20060098997
2006-05-11

Method and apparatus for measuring color tone density of multipass color printer

#217
20060056864
2006-03-16

Image forming apparatus and image control method for controlling image density

#218
20060007454
2006-01-12

Apparatus for measuring color values of prints

#219
20050281573
2005-12-22

Image forming apparatus and density correction data creation method used therein

#220
20050276619
2005-12-15

Image forming apparatus and method with plural developers each storing toner of the same color

#221
20050244178
2005-11-03

Image forming apparatus

#222
20050244171
2005-11-03

Indicator of properly cured ink for electrophotographic equipment

#223
20050220469
2005-10-06

Image forming apparatus

#224
20050220464
2005-10-06

Image forming apparatus and seal retractor

#225
20050214015
2005-09-29

Densitometer for use in a printer

#226
20050211902
2005-09-29

Optical density sensor

#227
20050191067
2005-09-01

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

#228
20050163518
2005-07-28

Image forming device having an image detector

#229
20050152708
2005-07-14

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

#230
20050110859
2005-05-26

Image forming apparatus

#231
20050095042
2005-05-05

Image forming apparatus featuring first and second toner images with different charging amounts

#232
20050089340
2005-04-28

Image forming apparatus with a toner image density feature and related method

#233
20050071104
2005-03-31

Method for calibrating a marking system to maintain color output consistency across multiple printers

#234
20050063718
2005-03-24

Image forming apparatus using detection of toner image on image bearing member

#235
20050063716
2005-03-24

Image forming apparatus

#236
20050025510
2005-02-03

Image forming apparatus and method of detecting the detection characteristics of a reflection density sensor

#237
20050019048
2005-01-27

Tandem type color image forming apparatus

#238
20050002680
2005-01-06

Image forming device that performs density detection

#239
16511655
2020-03-24

Image forming apparatus