ClassID:

178317

G03G2215/0648 - CPC Classification

Classification description:

Apparatus for electrophotographic processes; Developing structures, details; Developing device; Specific type of dry developer device Two or more donor members

Recent Application in this class:
#1
20260140461
2026-05-21

DEVELOPING APPARATUS

#2
20250284221
2025-09-11

DEVELOPING DEVICE

#3
20250172895
2025-05-29

IMAGE FORMING APPARATUS

#4
20250093794
2025-03-20

DEVELOPING APPARATUS

#5
20240272564
2024-08-15

DEVELOPING DEVICE

#6
20240077813
2024-03-07

Developing device, process cartridge, and image forming apparatus including an entrance seal which contacts an image bearer

#7
20220373935
2022-11-24

Developing device and image forming apparatus

#8
20190056680
2019-02-21

STAGGERED DOCTOR BLADES FOR PRINTERS AND MULTIFUNCTION PERIPHERALS

#9
20180136579
2018-05-17

Image forming apparatus

#10
20160313665
2016-10-27

Image forming apparatus having alternating current bias control

#11
20160202630
2016-07-14

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

#12
20160170329
2016-06-16

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

#13
20160054675
2016-02-25

Image forming apparatus configured to execute removal control

#14
20150268586
2015-09-24

Developing device and image forming apparatus

#15
20150071687
2015-03-12

Image forming apparatus, positional deviation detection apparatus, and positional deviation detection method

#16
20140147176
2014-05-29

Developing device

#17
20140023408
2014-01-23

Developing device and image forming apparatus

#18
20140016969
2014-01-16

Developing device and image forming device

#19
20130315635
2013-11-28

Developing device and image forming apparatus

#20
20130279946
2013-10-24

Image forming apparatus having suction duct for sucking developer not used in development

#21
20130251414
2013-09-26

Developing device and image forming apparatus

#22
20130251413
2013-09-26

Image forming apparatus

#23
20130243493
2013-09-19

Developing device and image forming apparatus

#24
20130223861
2013-08-29

Image forming apparatus

#25
20130195515
2013-08-01

Developing device and image forming apparatus using the same

#26
20130195514
2013-08-01

Image forming apparatus

#27
20130195513
2013-08-01

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

#28
20130195512
2013-08-01

Developing device and image forming apparatus

#29
20130195501
2013-08-01

Developing device and image forming apparatus using the same

#30
20130136506
2013-05-30

DEVELOPING DEVICE

#31
20120195647
2012-08-02

Developing device

#32
20120134722
2012-05-31

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

#33
20110299893
2011-12-08

DEVELOPING DEVICE AND DEVELOPING METHOD

#34
20110299892
2011-12-08

Developing device with bias voltage and image forming apparatus

#35
20110274470
2011-11-10

Image forming apparatus

#36
20110243615
2011-10-06

Image forming apparatus

#37
20110229215
2011-09-22

DEVELOPING DEVICE, ASSEMBLY, AND IMAGE FORMING APPARATUS

#38
20110229214
2011-09-22

Developing device and image forming apparatus

#39
20110222918
2011-09-15

Developing device, assembly body, and image forming apparatus

#40
20110206419
2011-08-25

Developing device

#41
20110206396
2011-08-25

Xerographic developer

#42
20110182625
2011-07-28

IMAGE FORMING APPARATUS, DEVELOPING AGENT USED THEREFOR, AND METHOD FOR MANUFACTURING THE SAME

#43
20110123233
2011-05-26

Image forming apparatus and image forming method

#44
20110091248
2011-04-21

Image forming apparatus

#45
20110091224
2011-04-21

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

#46
20110069998
2011-03-24

Developing device and image forming apparatus

#47
20110058836
2011-03-10

Developing device, and controlling method thereof

#48
20100254725
2010-10-07

Development apparatus and image forming apparatus

#49
20100143002
2010-06-10

Development device and image forming apparatus using the same

#50
20100067958
2010-03-18

Image forming method and image forming apparatus

#51
20100061773
2010-03-11

Developing apparatus featuring multiple magnetic rollers

#52
20090285607
2009-11-19

Developing apparatus

#53
20090123194
2009-05-14

Image forming apparatus

#54
20090087230
2009-04-02

Developing apparatus

#55
20080253810
2008-10-16

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

#56
20080226355
2008-09-18

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMATION APPARATUS

#57
20080226354
2008-09-18

Apparatus and methods for loading a donor roll

#58
20080226353
2008-09-18

Apparatus and methods for loading a donor roll utilizing a slow speed trim roll

#59
20080181679
2008-07-31

Development apparatus including a first developer member made of pure aluminum or an aluminum alloy and a second developer member of stainless steel

#60
20070292166
2007-12-20

Electrostatographic developer unit having multiple magnetic brush rolls with a magnetic restrictor for carrier particle emission control

#61
20070280744
2007-12-06

Development apparatus having two developer bearers and two development chambers

#62
20070231018
2007-10-04

Electrostatographic developer unit having multiple magnetic brush rolls having dissimilar compositions

#63
20070212123
2007-09-13

Developing apparatus and image forming apparatus

#64
20070172262
2007-07-26

Developing device and electrophotographic apparatus using the same

#65
20070134025
2007-06-14

Developing device for developing images by adhering developer onto electrostatic images

#66
20070098451
2007-05-03

Xerographic developer unit having variable pitch auger

#67
20070053725
2007-03-08

Developing apparatus featuring magnetic seal members disposed in developer delivery regions

#68
20070053724
2007-03-08

Developing apparatus featuring multiple magnetic rollers for developing a latent image multiple times

#69
20070003303
2007-01-04

Feed forward mitigation of development transients

#70
20060216069
2006-09-28

Developing unit and image forming apparatus

#71
20060008300
2006-01-12

Developing apparatus features first and second developing members and image forming apparatus having the same

#72
20050244195
2005-11-03

Developing device

#73
20050238393
2005-10-27

Developing apparatus with first and second developing bearing members each including a magnetic field generator wherein a peak position magnetic force of the second developing members is a defined value

#74
20050238390
2005-10-27

Image forming apparatus