G03G15/0942 - CPC Classification Index

#1

20260153815

2026-06-04

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

#2

20260086478

2026-03-26

DEVELOPING DEVICE

#3

20260086477

2026-03-26

DEVELOPING DEVICE

#4

20250237976

2025-07-24

DEVELOPMENT DEVICE

#5

20250102965

2025-03-27

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

#6

20220308498

2022-09-29

Developing device with filter and a plurality of air exit paths and image forming apparatus

#7

20220197181

2022-06-23

Imaging system with control member for conveyance path and developing roller having a peeling pole

#8

20220121139

2022-04-21

Developing device with air circulation

#9

20220035273

2022-02-03

Developing device with elastic film to block air input

#10

20210356885

2021-11-18

Developing device to form electrostatic latent images

#11

20210294244

2021-09-23

Developing device with structure to prevent scattering toner using magnetic repulsive force

#12

20200301313

2020-09-24

Developing device, process cartridge, and image forming apparatus

#13

20200142333

2020-05-07

Image forming apparatus

#14

20200096933

2020-03-26

Developing device capable of suppressing the passing of a relatively large amount of developer and image forming apparatus therewith

#15

20190317430

2019-10-17

Developing device and image forming device

#16

20190278199

2019-09-12

Developing apparatus with magnetic seal member facing conveyance screw

#17

20190235417

2019-08-01

Developing apparatus and image forming apparatus

#18

20190219951

2019-07-18

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

#19

20190041769

2019-02-07

Developing device and image forming apparatus

#20

20180253030

2018-09-06

Image forming apparatus and developing device that conveys air to exhaust port

#21

20170371273

2017-12-28

Molding device, metal mold, method of manufacturing magnet roll and method of magnetizing magnet roll

#22

20170357189

2017-12-14

Developing apparatus having varying magnetic flux density and image forming apparatus

#23

20170227891

2017-08-10

Developing device and image forming apparatus with a magnetically charged collection member

#24

20170068188

2017-03-09

Developing device having magnetic sealing members

#25

20160306300

2016-10-20

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

#26

20160170329

2016-06-16

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

#27

20160091831

2016-03-31

End sealing and magnetic field truncation of a magnetic roll of a dual component development electrophotographic image forming device

#28

20150331365

2015-11-19

Development apparatus and image forming apparatus

#29

20150331359

2015-11-19

Developing unit and process cartridge

#30

20150063862

2015-03-05

Developing device and image forming apparatus having seal member with non-contact portion

#31

20150050041

2015-02-19

Developing device and image forming apparatus

#32

20150050040

2015-02-19

Developing device forming toner image by feeding toner toward electrostatic latent image formed on circumferential surface of photosensitive drum, and image forming apparatus including the same

#33

20150016837

2015-01-15

Developing apparatus

#34

20150010323

2015-01-08

Developing device and image forming apparatus

#35

20140356030

2014-12-04

Developing device and image forming apparatus and process cartridge incorporating same

#36

20140178094

2014-06-26

DEVELOPING UNIT, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

#37

20130279946

2013-10-24

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

#38

20130216251

2013-08-22

Image forming apparatus that collects toner that is not used in image development

#39

20130051842

2013-02-28

Developing apparatus having a magnetic seal

#40

20120269544

2012-10-25

Image forming apparatus incorporating developing device with first and second seals

#41

20120114394

2012-05-10

Developing device and image forming apparatus

#42

20110311267

2011-12-22

DEVELOPING DEVICE, IMAGE FORMING APPARATUS AND METHOD

#43

20110255897

2011-10-20

Developing device

#44

20110229189

2011-09-22

Developing device, imaging unit and image forming apparatus

#45

20110222919

2011-09-15

Developing unit and image forming apparatus using same

#46

20110052270

2011-03-03

Developing device and image-forming apparatus provided therewith

#47

20100322663

2010-12-23

Device and method for sealing a shaft to prevent the penetration of a toner mixture

#48

20100080608

2010-04-01

Developing device having magnetic sealing member and image forming apparatus including the same

#49

20100061769

2010-03-11

Image forming apparatus including a developing device with toner supply passage having a magnetic field formed inside and toner supply control method using the same

#50

20100008702

2010-01-14

Developing unit and image forming apparatus employing the same

#51

20090208254

2009-08-20

Developing unit, image forming apparatus, and floating developer collecting method for developing unit

#52

20090028612

2009-01-29

Image forming apparatus with air flow blocking mechanism

#53

20090003887

2009-01-01

Self-cleaning electrophotographic toning roller system

#54

20080213006

2008-09-04

Developing device, process cartridge, and image forming apparatus

#55

20080205941

2008-08-28

Development apparatus and image forming apparatus

#56

20080124136

2008-05-29

Toner drop suppressing developing apparatus

#57

20080080906

2008-04-03

Developing device having a projection portion for inhibiting scattering a developer and image forming apparatus using such developing device

#58

20070065171

2007-03-22

Image forming apparatus

#59

20060263111

2006-11-23

Developing device and image forming apparatus

#60

20060257162

2006-11-16

Developing device and image forming apparatus

#61

20060239710

2006-10-26

Emissions elimination for small sized toner

#62

20060216071

2006-09-28

Developing device, process cartridge and image forming apparatus moving toner particles by a phase-shifting electric field

#63

20060140666

2006-06-29

Sealing member for sealing magnetic particles and developing apparatus using the sealing member

#64

20060083541

2006-04-20

Developing device and image forming apparatus provided with same

#65

20060067730

2006-03-30

Developing device, process cartridge, and image forming apparatus having developing-roller scraping member

#66

20050244194

2005-11-03

Developing apparatus, configured to prevent splashing of toner and carrier

#67

20050191083

2005-09-01

Developing apparatus, process cartridge, and electrophotographic image forming apparatus including an elastic member preventing a gap between a developing agent carrier and a layer thickness limiter from changing, and an electrophotographic image forming apparatus detachably mounting such process cartridge

#68

20050105936

2005-05-19

Developing apparatus, process cartridge, electrophotographic image forming apparatus and end portion regulating member

#69

20050074257

2005-04-07

Sealing member for sealing magnetic particles and developing apparatus using the sealing member

#70

17195872

2022-05-03

Developer layer regulating member that controls a thickness of a developer layer

#71

15058200

2017-07-18

Developer unit air venting in a dual component development electrophotographic image forming device

#72

14683383

2016-03-22

Sealing ribs for a developer unit of a dual component development electrophotographic image forming device

#73

14536800

2015-11-17

End sealing and magnetic field truncation of a magnetic roll of a dual electrophotographic image forming device

#74

14501807

2015-10-06

Partial internal shunt and partial external shunt assembly for a magnetic roll of a dual component development electrophotographic image forming device