ClassID:

177453

G03G9/0839 - CPC Classification

Classification description:

Developers with toner particles; Magnetic toner particles Treatment of the magnetic components; Combination of the magnetic components with non-magnetic materials

Recent Application in this class:
#1
20260118788
2026-04-30

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

#2
20260029728
2026-01-29

TONER

#3
20250282637
2025-09-11

METHOD FOR PRODUCING COBALT FERRITE PARTICLES AND COBALT FERRITE PARTICLES PRODUCED BY SAME

#4
20250028260
2025-01-23

MANUFACTURING METHOD OF ELECTROSTATIC CHARGE IMAGE DEVELOPING CARRIER, AND MANUFACTURING METHOD OF ELECTROSTATIC CHARGE IMAGE DEVELOPER

#5
20240231248
2024-07-11

IMAGE FORMING APPARATUS AND IMAGE FORMATION METHOD

#6
20240134297
2024-04-25

IMAGE FORMING APPARATUS AND IMAGE FORMATION METHOD

#7
20230418176
2023-12-28

TONER

#8
20230140479
2023-05-04

TONER

#9
20220308485
2022-09-29

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

#10
20220234910
2022-07-28

COBALT FERRITE PARTICLE PRODUCTION METHOD AND COBALT FERRITE PARTICLES PRODUCED THEREBY

#11
20220194813
2022-06-23

METHOD FOR PRODUCING COBALT FERRITE PARTICLES AND COBALT FERRITE PARTICLES PRODUCED BY SAME

#12
20220171302
2022-06-02

Toner

#13
20210286284
2021-09-16

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

#14
20210278773
2021-09-09

Electrostatic charge image developing carrier, electrostatic charge image developer, and image forming apparatus

#15
20210141315
2021-05-13

Magnetic carrier, two-component developer, and method for producing magnetic carrier

#16
20210088924
2021-03-25

Carrier for electrostatic image development, electrostatic image developer, and process cartridge

#17
20200285161
2020-09-10

TONER

#18
20200096888
2020-03-26

Electrostatic charge image developer and process cartridge

#19
20200073263
2020-03-05

Toner

#20
20190227447
2019-07-25

Magnetic Spherical Toner

#21
20190155181
2019-05-23

Toner

#22
20190035521
2019-01-31

MAGNETIC SUBSTANCE, MAGNETIC TONER, AND MAGNETIC POWDER

#23
20190025723
2019-01-24

Magnetic toner

#24
20180307149
2018-10-25

Method for producing a toner

#25
20170248856
2017-08-31

Toner

#26
20170199475
2017-07-13

Toner

#27
20170160662
2017-06-08

Toner

#28
20160342100
2016-11-24

Magnetic toner

#29
20160334723
2016-11-17

Magnetic toner

#30
20160327881
2016-11-10

Toner having silica fine particles

#31
20160291491
2016-10-06

Magnetic toner

#32
20160091809
2016-03-31

Magnetic toner

#33
20160041484
2016-02-11

Magnetic toner

#34
20160041483
2016-02-11

Magnetic toner

#35
20150227068
2015-08-13

Magnetic toner

#36
20150153665
2015-06-04

Carrier, two-component developer, supplemental developer, image forming method, process cartridge and image forming apparatus

#37
20140342278
2014-11-20

Magnetic toner

#38
20140342277
2014-11-20

Magnetic toner

#39
20140335450
2014-11-13

Magnetic toner

#40
20140322640
2014-10-30

Magnetic toner

#41
20140315126
2014-10-23

Magnetic toner

#42
20140305340
2014-10-16

Method and system for magnetic actuated milling for pigment dispersions

#43
20140051023
2014-02-20

Magnetic carrier

#44
20140051020
2014-02-20

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

#45
20120270146
2012-10-25

MAGNETIC TONER COMPOSITIONS

#46
20120045717
2012-02-23

Toner

#47
20110294056
2011-12-01

Magnetic toner

#48
20100266943
2010-10-21

Magnetic toner

#49
20090274973
2009-11-05

Liquid developer, process cartridge, and image forming apparatus

#50
20090239174
2009-09-24

FLUORESCENT MAGNETIC POWDER, METHOD OF MANUFACTURING THE SAME, MAGNETIC INK COMPOSITION, MAGNETIC POLYMER PARTICLE, LIQUID DEVELOPER FOR MAGNETIC LATENT IMAGE, CARTRIDGE, AND IMAGE FORMING APPARATUS

#51
20090197192
2009-08-06

MAGNETIC TONER

#52
20090092919
2009-04-09

Magnetic toner

#53
20080213686
2008-09-04

Developing method and developing unit

#54
20070065742
2007-03-22

Single-component magnetic developer, developing method and image-forming method

#55
20070017400
2007-01-25

Magnetic color printer/copier

#56
20060269862
2006-11-30

Ferrite core material for resin-filled type carrier, resin-filled type carrier, and electrophotographic developer using the carrier

#57
20060263710
2006-11-23

Magnetic toner

#58
20060078813
2006-04-13

Magnetic toner and image forming method using the same

#59
20060078812
2006-04-13

Magnetic toner

#60
20060078811
2006-04-13

Magnetic toner

#61
20050214667
2005-09-29

Method for evaluating coloring agent, coloring agent, and toner for electrostatic latent image development

#62
20050058922
2005-03-17

Magnetic toner, and image forming method

#63
20050014082
2005-01-20

Toner for electrophotography, and developing agent, image formation device and image formation method using the same