Patents-Review.com
ClassID:

177689 ⎘

G03G15/0862 - 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 level the level being measured by optical means

Recent Application in this class:
#1
20260153820
2026-06-04

IMAGE FORMING APPARATUS

 #2
20260126740
2026-05-07

IMAGE FORMING APPARATUS

 #3
20250264825
2025-08-21

IMAGE FORMING APPARATUS

 #4
20250208556
2025-06-26

IMAGE FORMING APPARATUS AND CONTROL METHOD THEREFOR, AND STORAGE MEDIUM

 #5
20250189906
2025-06-12

IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM

 #6
20250181011
2025-06-05

DEVELOPING DEVICE

 #7
20250004393
2025-01-02

IMAGE FORMING APPARATUS AND CARTRIDGE

 #8
20240310763
2024-09-19

IMAGE FORMING APPARATUS

 #9
20240264561
2024-08-08

Structure to detect full state of two reservoirs in waste toner container

 #10
20240201617
2024-06-20

Development device having rotatable wiper wiping optical surface of lens

 #11
20240152072
2024-05-09

IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM

 #12
20240085822
2024-03-14

IMAGE FORMING APPARATUS

 #13
20240061359
2024-02-22

IMAGE FORMING APPARATUS AND DEVELOPER REPLENISHMENT THEREOF

 #14
20240004327
2024-01-04

Image forming apparatus, image forming method, and non-transitory recording medium

 #15
20230418214
2023-12-28

Toner cartridge

 #16
20230418213
2023-12-28

Cartridge and image forming apparatus

 #17
20230418180
2023-12-28

Developing device

 #18
20230305433
2023-09-28

Toner supply device and image forming apparatus

 #19
20230205110
2023-06-29

Image forming apparatus and method of controlling the same

 #20
20230185215
2023-06-15

Image forming apparatus with suppression of light quality attenuation

 #21
20230168605
2023-06-01

Image forming apparatus

 #22
20220404735
2022-12-22

Image forming apparatus and image forming system

 #23
20220382184
2022-12-01

Image forming apparatus having an abnormality detection mode

 #24
20220326635
2022-10-13

Image forming apparatus and method of controlling the same

 #25
20220283525
2022-09-08

Image forming apparatus with replenishable toner supply

 #26
20220206410
2022-06-30

Image forming apparatus having detection of residual toner amount

 #27
20220197183
2022-06-23

Toner conveying apparatus having a light transmission portion

 #28
20220187736
2022-06-16

Image forming apparatus

 #29
20220155705
2022-05-19

Image forming apparatus and developer replenishment thereof

 #30
20220066348
2022-03-03

Image forming apparatus

 #31
20210405552
2021-12-30

Image forming apparatus and image forming system

 #32
20210208522
2021-07-08

Reflective toner level detector with relative rotating and cleaning

 #33
20210116836
2021-04-22

Imaging device

 #34
20210088932
2021-03-25

Powder storage height detection device and powder replenishing device

 #35
20210080862
2021-03-18

Image forming unit and image forming apparatus

 #36
20210080861
2021-03-18

Image forming unit and image forming apparatus

 #37
20210041803
2021-02-11

Image forming apparatus and developer replenishment thereof

 #38
20210018858
2021-01-21

Toner container and image forming apparatus

 #39
20210018857
2021-01-21

Reflective toner level detector with relative rotating and cleaning

 #40
20210003941
2021-01-07

Image forming apparatus and method of controlling the same

 #41
20210003940
2021-01-07

Structure for detecting developer level in developer cartridge

 #42
20200292960
2020-09-17

Image forming apparatus having toner replenishment

 #43
20200218188
2020-07-09

Image forming apparatus to which toner container is attachable

 #44
20190354039
2019-11-21

Image forming apparatus and method of controlling the same

 #45
20190265614
2019-08-29

Transferring print agent in print apparatus

 #46
20190146404
2019-05-16

Developer supplying device and image forming apparatus therewith

 #47
20190094786
2019-03-28

Developer container, image formation unit, and image formation apparatus

 #48
20190049886
2019-02-14

Image forming apparatus and control method

 #49
20180299802
2018-10-18

Powder detection device and development device

 #50
20180284681
2018-10-04

Image forming apparatus, and method and computer-readable medium therefor

 #51
20180284646
2018-10-04

Image forming apparatus and method of controlling the same

 #52
20180246453
2018-08-30

Image forming apparatus and control method

 #53
20170242368
2017-08-24

Rotation detection device, toner conveyance device, and image forming apparatus including the same

 #54
20170185002
2017-06-29

Cartridges and electrophotographic image forming apparatus using the same

 #55
20170146945
2017-05-25

Image forming apparatus suited for management of waste toner

 #56
20170082947
2017-03-23

Electrophotographic image forming apparatus, toner cartridge for the same, imaging cartridge for the same, and method of controlling toner level in developing chamber of the same

 #57
20170068205
2017-03-09

Image forming apparatus that cleans detection surface of sensor for detecting developer accommodated in containing unit

 #58
20170010577
2017-01-12

Developer detector and developing device

 #59
20160274491
2016-09-22

Image forming apparatus capable of adjusting sensitivity of optical sensor and method for adjusting sensitivity of optical sensor

 #60
20160252872
2016-09-01

Image forming apparatus

 #61
20160246213
2016-08-25

Developing device, image forming apparatus, method of detecting developer amount, and non-transitory recording medium storing program

 #62
20160179031
2016-06-23

Systems for optical communication between an image forming device and a replaceable unit of the image forming device

 #63
20160154338
2016-06-02

Electrophotographic image forming apparatus, toner cartridge for the same, imaging cartridge for the same, and method of controlling toner level in developing chamber of the same

 #64
20160147176
2016-05-26

Image forming apparatus including waste toner container

 #65
20160131991
2016-05-12

Image forming apparatus and image forming method

 #66
20160070201
2016-03-10

Developing device, process cartridge, and electrophotographic image forming apparatus

 #67
20150355573
2015-12-10

Electrophotographic image forming apparatus, toner cartridge for the same, imaging cartridge for the same, and method of controlling toner level in developing chamber of the same

 #68
20150132018
2015-05-14

Developer amount detector, developing device, process unit, and image forming apparatus

 #69
20150117879
2015-04-30

Image forming apparatus

 #70
20140270817
2014-09-18

Developing device having agitation conveyance member with scraper for wiping toner sensor and image forming apparatus having the developing device

 #71
20140255048
2014-09-11

Image forming device determining whether or not replacement of cartridge is needed

 #72
20140086599
2014-03-27

Development device, process cartridge, and image forming apparatus

 #73
20140079416
2014-03-20

Developer storage unit, development device, process cartridge, and electrophotographic image forming apparatus

 #74
20140044443
2014-02-13

Developing apparatus, process cartridge, and image forming apparatus

 #75
20140029962
2014-01-30

Image forming apparatus and powder transport unit

 #76
20130330105
2013-12-12

Powder container and image forming apparatus incorporating same

 #77
20130279925
2013-10-24

Image formation unit and image formation apparatus

 #78
20130272727
2013-10-17

Developer accommodating unit with light guide member for detecting remaining toner amount

 #79
20130243466
2013-09-19

Toner density sensor and image forming apparatus

 #80
20130223856
2013-08-29

Image forming unit and image forming apparatus

 #81
20130129390
2013-05-23

Developing device for use with an electrophotographic image forming apparatus, process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, and an electrophotographic image forming apparatus

 #82
20130058670
2013-03-07

Image developing device, process cartridge including image developing device, and image forming device including image developing device

 #83
20130011165
2013-01-10

Toner supply container and image forming apparatus

 #84
20130004187
2013-01-03

Image forming apparatus

 #85
20120294634
2012-11-22

Self-monitoring image forming apparatus

 #86
20120269524
2012-10-25

Image forming apparatus with residual toner detection

 #87
20120251159
2012-10-04

Developing device, process cartridge, and electrophotographic image forming apparatus

 #88
20120230708
2012-09-13

Image forming apparatus

 #89
20120224889
2012-09-06

Developer supply apparatus having vibrating light transmitting members

 #90
20120219307
2012-08-30

Image forming device with cartridge replacement alert system

 #91
20120219305
2012-08-30

DEVELOPMENT UNIT DETERMINING METHOD AND IMAGE FORMING DEVICE

 #92
20120189327
2012-07-26

Developer amount detector, and developer container, development device, and image forming apparatus incorporating same

 #93
20120189326
2012-07-26

Developer amount detector, image forming apparatus incorporating same, and positioning structure for positioning unit within image forming apparatus

 #94
20120163836
2012-06-28

Image forming apparatus in which genuine cartridge with and without memory device are usable

 #95
20120121279
2012-05-17

Storage container for developer and image forming apparatus

 #96
20120121278
2012-05-17

Multi-compartment storage container for developer, developer detection unit and image forming apparatus

 #97
20120070164
2012-03-22

Image forming apparatus

 #98
20120070163
2012-03-22

Image forming apparatus

 #99
20120070162
2012-03-22

Method for detecting low toner in an electro-photographic toner cartridge

 #100
20120057886
2012-03-08

Developer detection device capable of detecting amount developer in developer accommodating container

 #101
20120033982
2012-02-09

Toner supply method, development device, process unit, and image forming apparatus

 #102
20120020683
2012-01-26

Developer storage device

 #103
20110293296
2011-12-01

Optical sensor arrangement for an imaging apparatus

 #104
20110286754
2011-11-24

Image forming apparatus having dual speed stirring control

 #105
20110236039
2011-09-29

Image forming apparatus and removable cartridge

 #106
20110222873
2011-09-15

Image forming apparatus with developer remainder amount detection feature

 #107
20110217069
2011-09-08

Image forming apparatus having toner cartridge

 #108
20110194864
2011-08-11

Image forming apparatus and toner supply method

 #109
20110182595
2011-07-28

Image forming device and image forming method

 #110
20110150527
2011-06-23

Developer cartridge for image-forming device

 #111
20110123205
2011-05-26

Developing device, process cartridge, and image forming apparatus

 #112
20110116816
2011-05-19

Development apparatus and image forming apparatus using the same

 #113
20110097094
2011-04-28

Developer transport unit, image forming apparatus, method of transporting developer, program for transporting developer, and storage medium storing the program

 #114
20110026946
2011-02-03

Image forming device

 #115
20110002701
2011-01-06

Image forming apparatus with reduced deterioration of image quality

 #116
20100322643
2010-12-23

Image forming apparatus

 #117
20100296824
2010-11-25

Image forming device and method of forming image

 #118
20100239305
2010-09-23

Developer cartridge for image-forming device

 #119
20100239274
2010-09-23

TONER DETERIORATION JUDGING METHOD, DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS

 #120
20100239272
2010-09-23

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

 #121
20100232816
2010-09-16

Remaining amount of developer detection device, development device, process unit, and image forming apparatus

 #122
20100209125
2010-08-19

Developer cartridge for image-forming device

 #123
20100202798
2010-08-12

Image forming apparatus, image forming system, container for developing agent, and method of manufacturing container for developing agent

 #124
20100129099
2010-05-27

Image forming apparatus, toner cartridge, and computer-readable medium

 #125
20100104327
2010-04-29

Developing cartridge for image-forming device and method of manufacturing the same

 #126
20100098441
2010-04-22

Image forming apparatus

 #127
20100080610
2010-04-01

Developing cartridge that includes member to be pressed by image-bearing-member cartridge

 #128
20100074644
2010-03-25

Image forming apparatus and control method thereof

 #129
20090317098
2009-12-24

Image forming apparatus, cartridge, storage device and developer supplying method

 #130
20090310995
2009-12-17

Image forming apparatus and image forming method

 #131
20090297178
2009-12-03

Developing device having light transmitting member for detecting amount of developer

 #132
20090297175
2009-12-03

Developing apparatus, process cartridge, and electrophotographic image forming apparatus

 #133
20090290884
2009-11-26

Image forming apparatus that determines a failure in an exposure section based on a detected density of a toner image

 #134
20090257782
2009-10-15

Toner stirring device having a pushing member and rotation member for an image forming apparatus

 #135
20090220253
2009-09-03

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

 #136
20090214230
2009-08-27

Developer cartridge, developing unit and image forming apparatus having the same

 #137
20090142079
2009-06-04

Image forming apparatus with a developer circulation mechanism

 #138
20090047044
2009-02-19

Toner supply device, developing device and image forming apparatus with residual quantity of toner based control

 #139
20090010659
2009-01-08

Image forming apparatus including device for outputting developer remainder amount information

 #140
20090003851
2009-01-01

Method and apparatus for regulating toner amount in developing chamber of image forming apparatus

 #141
20080317501
2008-12-25

Developer cartridge and developer device for detecting the amount of developer in the developer cartridge

 #142
20080317480
2008-12-25

Image forming device and cartridge in which an amount of developer is detectable

 #143
20080292332
2008-11-27

Estimating amount of toner in an image forming device

 #144
20080292331
2008-11-27

Developing apparatus, process cartridge and image forming apparatus

 #145
20080286005
2008-11-20

Developing device and image forming apparatus

 #146
20080219686
2008-09-11

Image forming apparatus with a developer determination system

 #147
20080212985
2008-09-04

Image formation apparatus that replenishes developer based on detected height of developer and rotating speed of developer carrier

 #148
20080205915
2008-08-28

Image forming apparatus

 #149
20080187366
2008-08-07

Image forming apparatus

 #150
20080181627
2008-07-31

Image forming apparatus

 #151
20080118253
2008-05-22

Image forming apparatus in which genuine cartridge with and without memory device are usable

 #152
20080080899
2008-04-03

Image forming apparatus and cartridge having optical detection of toner amount

 #153
20080080877
2008-04-03

Color image forming apparatus

 #154
20080044204
2008-02-21

Toner supply container and image forming apparatus, for detecting the amount of remaining toner

 #155
20070230976
2007-10-04

Image forming apparatus having a cleaning unit for collecting waste toner

 #156
20070201886
2007-08-30

Image forming apparatus, toner cartridge and method to detect toner level

 #157
20070196114
2007-08-23

Image forming apparatus and developer cartridge having light transmitting portion to allow amount of developer to be detected

 #158
20070147859
2007-06-28

Powder container, toner container, and image forming apparatus

 #159
20070147857
2007-06-28

Apparatus for detecting developer level in developing unit

 #160
20070140710
2007-06-21

Color image forming device utilizing toner sensors to detect withdrawal amount of drawer section

 #161
20070077087
2007-04-05

Image forming apparatus, process unit and developing cartridge

 #162
20070071464
2007-03-29

Developer accommodating apparatus, developing apparatus and image forming apparatus

 #163
20070058993
2007-03-15

Developing cartridge, image carrier cartridge, process cartridge, and image forming apparatus

 #164
20070036565
2007-02-15

Developer supply container and image forming apparatus

 #165
20060269302
2006-11-30

Image forming device

 #166
20060263106
2006-11-23

Image forming apparatus, cartridge, storage device and developer supplying method

 #167
20060257171
2006-11-16

Paddle positioning system

 #168
20060238599
2006-10-26

Developer cartridge for image-forming device

 #169
20060233560
2006-10-19

Electrophotographic image forming apparatus

 #170
20060222383
2006-10-05

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

 #171
20060198645
2006-09-07

Image forming apparatus and image forming unit

 #172
20060193644
2006-08-31

Image forming apparatus and developer cartridge

 #173
20060193643
2006-08-31

Image forming apparatus and detachably mountable developer cartridge

 #174
20060177241
2006-08-10

Image forming apparatus and removable cartridge

 #175
20060159473
2006-07-20

Device and method for adjusting the detected amount of remaining toner

 #176
20060140652
2006-06-29

Developer device and image forming apparatus

 #177
20060133850
2006-06-22

Image-forming apparatus

 #178
20060093385
2006-05-04

Image forming device and cartridge with developer detection

 #179
20060002725
2006-01-05

Developer cartridge and image forming apparatus

 #180
20050265738
2005-12-01

Image forming apparatus and method of controlling same

 #181
20050238378
2005-10-27

Image forming apparatus

 #182
20050201776
2005-09-15

Toner housing plug with toner level sensor

 #183
20050201766
2005-09-15

Image forming apparatus and control method for the image forming apparatus

 #184
20050196188
2005-09-08

Toner quantity measuring device, method of measuring toner quantity and image forming apparatus

 #185
20050163532
2005-07-28

Image formation apparatus, and control method for image formation apparatus

 #186
20050129420
2005-06-16

Image forming apparatus and toner replenishing method

 #187
20050129417
2005-06-16

Image forming device and image forming method

 #188
20050117922
2005-06-02

Image forming apparatus and developing-agent amount detecting method, cartridge, and storage medium

 #189
20050117921
2005-06-02

Remaining toner detection apparatus and image forming apparatus provided with same

 #190
20050117919
2005-06-02

Image forming apparatus with mechanism to control toner replenishment

 #191
20050105922
2005-05-19

Image forming device and insertable developing unit with identification protrusions for determining compatibility

 #192
20050089338
2005-04-28

Developing apparatus, process cartridge, and image forming apparatus

 #193
20050031367
2005-02-10

Image forming apparatus that determines toner amount in a plurality of color cartridges

 #194
16794748
2021-01-12

Powder storage height detection device and powder replenishing device

 #195
16566418
2020-07-21

Image forming apparatus and control method of image forming apparatus

 #196
14975986
2017-04-25

Systems for detecting an axially moveable member within a toner cartridge