G03G9/107 - CPC Classification Index

#1

20260147287

2026-05-28

TWO-COMPONENT DEVELOPER

#2

20260072370

2026-03-12

MAGNETIC CARRIER

#3

20260029729

2026-01-29

ELECTROSTATIC CHARGE IMAGE DEVELOPER SET, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

#4

20260023334

2026-01-22

ELECTROSTATIC CHARGE IMAGE DEVELOPER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

#5

20250251674

2025-08-07

ELECTROSTATIC CHARGE IMAGE DEVELOPING CARRIER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, PROCESS CARTRIDGE, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS

#6

20240337960

2024-10-10

TONER AND TWO-COMPONENT DEVELOPER

#7

20240310755

2024-09-19

Image forming apparatus

#8

20230341790

2023-10-26

TONER AND TWO-COMPONENT DEVELOPER

#9

20230314976

2023-10-05

CARRIER FOR DEVELOPING ELECTROSTATIC CHARGE IMAGE AND METHOD FOR PRODUCING THE SAME, ELECTROSTATIC CHARGE IMAGE DEVELOPER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

#10

20230288830

2023-09-14

METHOD FOR PRODUCING CARRIER FOR DEVELOPING ELECTROSTATIC CHARGE IMAGE, ELECTROSTATIC CHARGE IMAGE DEVELOPER, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS

#11

20230251590

2023-08-10

Developing device

#12

20220373922

2022-11-24

Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method

#13

20220373907

2022-11-24

Toner for developing electrostatic charge image, electrostatic charge image developer, method for producing toner for developing electrostatic charge image, toner cartridge, process cartridge, image forming apparatus, and image forming method

#14

20220236657

2022-07-28

Magnetic carrier, two-component developer, and developer for replenishment

#15

20210286284

2021-09-16

Carrier for developing electrostatic charge image, electrostatic charge image developer, and image forming apparatus

#16

20210181651

2021-06-17

Toner and two-component developer

#17

20210080847

2021-03-18

Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, developer, method for producing magnetic core material for electrophotographic developer, method for producing carrier for electrophotographic developer, and method for producing developer

#18

20200257215

2020-08-13

Two-component developer

#19

20200241435

2020-07-30

Carrier core material for electrophotographic developer and method for producing the same, and carrier for electrophotographic developer and developer containing said carrier core material

#20

20200166867

2020-05-28

Carrier, developer, method, and apparatus for forming electrophotographic image, and process cartridge

#21

20200073264

2020-03-05

Toner

#22

20200050123

2020-02-13

Magnetic carrier, two-component developer, replenishing developer, and image forming method

#23

20200026211

2020-01-23

Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer

#24

20190391505

2019-12-26

Toner

#25

20190384196

2019-12-19

Toner and method for producing toner

#26

20190384193

2019-12-19

Toner and two-component developer

#27

20190346783

2019-11-14

Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer

#28

20190341177

2019-11-07

Ni—Zn—Cu ferrite particle, resin composition, and resin molding

#29

20190235406

2019-08-01

Toner

#30

20190204774

2019-07-04

Image forming apparatus and developer set

#31

20190163081

2019-05-30

Ferrite carrier core material for electrophotographic developer, carrier for electrophotographic developer, and developer

#32

20190113858

2019-04-18

Toner and method for producing toner

#33

20190086829

2019-03-21

Ferrite carrier core material for electrophotographic developer, ferrite carrier for electrophotographic developer, electrophotographic developer, and method for manufacturing ferrite carrier core material for electrophotographic developer

#34

20190079422

2019-03-14

Ferrite carrier core material for electrophotographic developer, ferrite carrier for electrophotographic developer, electrophotographic developer, and method for manufacturing ferrite carrier core material for electrophotographic developer

#35

20190064688

2019-02-28

Carrier core material and electrophotographic development carrier using same and electrophotographic developer

#36

20190033735

2019-01-31

Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge

#37

20180329332

2018-11-15

Toner

#38

20180329327

2018-11-15

Toner

#39

20180329320

2018-11-15

Toner

#40

20180246429

2018-08-30

Toner

#41

20180231920

2018-08-16

Developing device and image forming apparatus therewith

#42

20180224766

2018-08-09

Developing device

#43

20180224762

2018-08-09

Toner set

#44

20180074426

2018-03-15

Carrier, electrophotographic developer, and method of manufacturing carrier

#45

20180046103

2018-02-15

Carrier core material and electrophotographic development carrier using same and electrophotographic developer

#46

20180024455

2018-01-25

Carrier core material

#47

20180011414

2018-01-11

Ferrite particle having outer shell structure

#48

20180008966

2018-01-11

Ferrite particles provided with outer shell structure for catalyst supporting medium

#49

20170343926

2017-11-30

DEVELOPING DEVICE

#50

20170329258

2017-11-16

Development device and image forming apparatus

#51

20170301443

2017-10-19

Spherical ferrite particles in nano-size and method of manufacturing same

#52

20170255118

2017-09-07

BRILLIANT TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND TONER CARTRIDGE

#53

20170227865

2017-08-10

Image forming apparatus, electrostatic charge image developer, and electrostatic charge image developing toner

#54

20170176880

2017-06-22

Toner and method for manufacturing toner

#55

20170115584

2017-04-27

Toner set

#56

20160363889

2016-12-15

Magnetic carrier

#57

20160357121

2016-12-08

Method for producing ground toner

#58

20160342101

2016-11-24

Electrostatic-image developing toner, electrostatic image developer, and toner cartridge

#59

20160334728

2016-11-17

Toner and two-component developer

#60

20160306301

2016-10-20

Magnetic carrier

#61

20160266510

2016-09-15

Ferrite particles, carrier for electrophotographic development using same, and developer for electrophotography

#62

20160246194

2016-08-25

Electrostatic charge image developer, developer cartridge, and process cartridge

#63

20160209769

2016-07-21

Toner, developer, and toner cartridge

#64

20160147166

2016-05-26

Toner, two-component developer, and color-image forming apparatus

#65

20160085168

2016-03-24

Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge

#66

20160070193

2016-03-10

Ferrite particle having outer shell structure, ferrite carrier core material for electrophotographic developer, and electrophotographic developer

#67

20160070191

2016-03-10

Toner and two-component developer

#68

20160041487

2016-02-11

Ferrite particles and electrophotographic development carrier using same, electrophotographic developer and method of manufacturing ferrite particles

#69

20160033889

2016-02-04

Carrier for electrophotographic developer and electrophotographic developer

#70

20150268578

2015-09-24

Electrostatic charge image developing carrier, electrostatic charge image developer, and developer cartridge

#71

20150227066

2015-08-13

Toner, image forming apparatus, image forming method, process cartridge, and developer

#72

20150220014

2015-08-06

Carrier core particles for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer

#73

20150192874

2015-07-09

Magnetic carrier for electrophotographic developer and process for producing the same, and two-component system developer

#74

20150183899

2015-07-02

Carrier resins with improved relative humidity sensitivity

#75

20150177635

2015-06-25

Toner and two-component developer

#76

20150072286

2015-03-12

Toner for developing electrostatic images and developer

#77

20150072277

2015-03-12

Toner, image forming apparatus, image forming method, process cartridge, and developer

#78

20150044607

2015-02-12

Method for manufacturing carrier core particles for electrophotographic developer

#79

20150044605

2015-02-12

Developer, method for forming image, and method for producing developer

#80

20150024311

2015-01-22

TONER, TWO-COMPONENT DEVELOPER, IMAGE FORMATION DEVICE USING SAME, AND IMAGE FORMATION METHOD

#81

20150010462

2015-01-08

Carrier core particle for electrophotographic developer, method for manufacturing the same, carrier for electrophotographic developer and electrophotographic developer

#82

20140356783

2014-12-04

Magnetic carrier, two-component developer, developer for replenishment, and image forming method

#83

20140356782

2014-12-04

Magnetic carrier, two-component developer, developer for replenishment, and image forming method

#84

20140356781

2014-12-04

Magnetic carrier, two-component developer, replenishing developer, and image forming method

#85

20140287355

2014-09-25

Core material for resin-filled ferrite carrier and ferrite carrier for electrophotographic developer, and electrophotographic developer using the ferrite carrier

#86

20140287352

2014-09-25

Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus

#87

20140248557

2014-09-04

Carrier for two-component developer, two-component developer using the carrier, and image forming method and process cartridge using the two-component developer

#88

20140242511

2014-08-28

Method for manufacturing carrier core particles for electrophotographic developer, carrier core particles for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer

#89

20140205326

2014-07-24

Developing device and image forming apparatus

#90

20140141371

2014-05-22

Electrostatic image developing carrier, process of making the same, electrostatic image developer, process cartridge, image forming method, and image forming apparatus

#91

20140087301

2014-03-27

Carrier and two-component developer

#92

20140072349

2014-03-13

Developing device that suppresses hysteresis

#93

20140065535

2014-03-06

Core material of magnetic carrier for electrophotographic developer and process for producing the same, magnetic carrier for electrophotographic developer, and two-component system developer

#94

20140051020

2014-02-20

Magnetic iron oxide particles, magnetic carrier for electrophotographic developers and process for producing the same, and two-component system developer

#95

20140045115

2014-02-13

Magnetic carrier and two-component developer

#96

20140030650

2014-01-30

Magnetic carrier and two-component developer

#97

20140017609

2014-01-16

Carrier core particles for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer

#98

20140017606

2014-01-16

FERRITE PARTICLES AND ELECTROPHOTOGRAPHIC CARRIER AND ELECTROPHOTOGRAPHIC DEVELOPER USING SAME

#99

20130344431

2013-12-26

Carrier core particles for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer

#100

20130316282

2013-11-28

Magnetic carrier and two-component developer

#101

20130287419

2013-10-31

Method for selecting developer, developer, and image formation device

#102

20130189614

2013-07-25

Carrier core particle for electrophotographic developer, carrier for electrophotographic developer and electrophotographic developer

#103

20130183614

2013-07-18

Porous ferrite core material for electrophotographic developer, resin-coated ferrite carrier and electrophotographic developer using the ferrite carrier

#104

20130171558

2013-07-04

Ferrite carrier core material and ferrite carrier for electrophotographic developer, methods for manufacturing these, and electrographic developer using the ferrite carrier

#105

20130157183

2013-06-20

Developer for electrophotography, image forming apparatus and process cartridge

#106

20130078567

2013-03-28

Method for regenerating carrier core material for electrophotography, method for manufacturing carrier for electrophotography, and carrier for electrophotography

#107

20130011780

2013-01-10

Carrier core particle for electrophotographic developer, carrier for electrophotographic developer and electrophotographic developer

#108

20120251191

2012-10-04

Resin-coated carrier for electrophotographic developer and electrophotographic developer using the resin-coated carrier

#109

20120214098

2012-08-23

Carrier for two-component developer, two-component developer, image forming method, and image forming apparatus

#110

20120208121

2012-08-16

Carrier core material for electrophotographic developer, method for manufacturing the same, carrier for electrophotographic developer and electrophotographic developer

#111

20120129087

2012-05-24

Magnetic carrier for electrophotographic developer and process for producing the same, and two-component system developer

#112

20120070772

2012-03-22

Electrostatic image developing toner, method for manufacturing electrostatic image developing toner, developer, and image forming method

#113

20120064448

2012-03-15

Magnetic composite particles, magnetic carrier and developer

#114

20120058423

2012-03-08

Contact developing method, image forming apparatus, and process cartridge

#115

20120028183

2012-02-02

Developing method and image forming method

#116

20110236820

2011-09-29

Electrostatic charge image development carrier, electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method

#117

20110217649

2011-09-08

Carrier, developer, and image forming method

#118

20110136060

2011-06-09

Toner and two-component developer

#119

20110086307

2011-04-14

Carrier for two-component developer

#120

20100310978

2010-12-09

Two-component developer

#121

20100233613

2010-09-16

Carrier

#122

20100202802

2010-08-12

Replenisher developer cartridge, and method of adjusting replenisher developer cartridge

#123

20100183340

2010-07-22

Resin coated carrier, two-component developer, developing device and image forming apparatus

#124

20100104329

2010-04-29

MAGNETIC CARRIER, TWO COMPONENT DEVELOPER, DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

#125

20090311617

2009-12-17

Black magnetic iron oxide particles, magnetic carrier for electrophotographic developer and two-component developer

#126

20090233212

2009-09-17

TONER AND TWO-COMPONENT DEVELOPER

#127

20090061333

2009-03-05

Carrier for electrostatic latent image development, and developer for electrostatic latent image development, method of forming an image, developer cartridge for electrostatic latent image development, process cartridge and image forming apparatus using the same

#128

20080305420

2008-12-11

METHOD AND DEVICE FOR COATING PARTICLES, AND CARRIER FOR USE IN DEVELOPER

#129

20080197283

2008-08-21

EMULSION AGGREGATION TONER COMPOSITIONS AND DEVELOPERS

#130

20080171274

2008-07-17

Image forming apparatus, process cartridge, image forming method and developer for electrophotography

#131

20060222981

2006-10-05

Electrophotographic developer

#132

20060210905

2006-09-21

Carrier for developer developing electrostatic image, developer including the carrier, and image forming method and process cartridge using the developer

#133

20050244176

2005-11-03

Image forming apparatus and process cartridge

#134

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

#135

15814414

2018-10-02

Developing device and image forming apparatus