G03G15/0851 - CPC Classification Index

ClassID:

177683 ⎘

G03G15/0851 - 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 concentration the concentration being measured by electrical means

Recent Application in this class:

20250189910

2025-06-12

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

20240168429

2024-05-23

PROCESS CARTRIDGE AND POTENTIAL DETECTION PART

20230400795

2023-12-14

Developing device having inductance sensor

20230288836

2023-09-14

Electrophotographic apparatus

20220276581

2022-09-01

Image forming apparatus and toner cartridge

20210240102

2021-08-05

Image forming apparatus determining toner replacement timing

20210173321

2021-06-10

Non-contact developer bias voltage control for image forming apparatus

20210088931

2021-03-25

PRINTING SUBSTANCE CONCENTRATION CONTROL

20210031498

2021-02-04

Resin member, resin molded body, cartridge, image forming apparatus, and method for manufacturing resin member

#10

20210018856

2021-01-21

Image forming apparatus

#11

20200371450

2020-11-26

Toner concentration control using toner concentration sensor

#12

20200285172

2020-09-10

Image forming apparatus that determines whether to perform running-in operation

#13

20200110353

2020-04-09

OPPOSING-MEMBER CAPACITANCE DETECTION METHOD AND IMAGE FORMING APPARATUS

#14

20200033752

2020-01-30

POWDER AMOUNT DETECTOR, POWDER SUPPLY DEVICE, AND IMAGE FORMING APPARATUS INCORPORATING SAME

#15

20200026219

2020-01-23

Image forming apparatus

#16

20190265612

2019-08-29

Image forming apparatus having image formation interruption

#17

20180364618

2018-12-20

Image forming apparatus configured to detect toner quality

#18

20180348673

2018-12-06

Powder-amount detection device and image forming apparatus incorporating same

#19

20170115598

2017-04-27

Developing device, image forming apparatus including developing device, fitting method of coil board to developing device

#20

20160291508

2016-10-06

Sensor device, toner concentration detection method and image forming apparatus

#21

20160257123

2016-09-08

Liquid supply device and image forming apparatus

#22

20150071665

2015-03-12

Techniques to determine concentration parameters of conductive liquid electrophoretic (LEP) inks

#23

20140314434

2014-10-23

Detection device and image forming apparatus

#24

20140056603

2014-02-27

Image forming apparatus

#25

20140056600

2014-02-27

Image forming apparatus that controls discharge and replenishment of developer based on the electric charge amount of the developer contained in developing part and compositions of existing developer and new developer

#26

20130272734

2013-10-17

Method to operate a digital printer and determine the toner concentration, as well as an associated digital printer

#27

20130011154

2013-01-10

Resonant-frequency measurement of electrophotographic developer density

#28

20120263485

2012-10-18

IMAGE FORMING DEVICE

#29

20120230707

2012-09-13

Image forming apparatus

#30

20120183311

2012-07-19

Image forming apparatus having developer supplying operation

#31

20120170948

2012-07-05

Developing device including toner concentration sensor and image forming apparatus including the developing device

#32

20120121275

2012-05-17

Developer remainder amount detection system and image forming apparatus

#33

20120107019

2012-05-03

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

#34

20120106986

2012-05-03

IMAGE FORMING APPARATUS, TONER CONTAINER USED IN THE SAME, AND METHOD FOR DETERMINING SUITABILITY OF TONER CONTAINER

#35

20120070170

2012-03-22

Developing device and image forming apparatus

#36

20120070163

2012-03-22

Image forming apparatus

#37

20120051759

2012-03-01

Determining developer toner concentration in electrophotographic printer

#38

20120027433

2012-02-02

Resonant-frequency measurement of electrophotographic developer density

#39

20120027432

2012-02-02

ELECTROPHOTOGRAPHIC DEVELOPER FLOW RATE MEASUREMENT

#40

20120027431

2012-02-02

Electrophotographic developer toner concentration measurement

#41

20120027430

2012-02-02

MEASURING DEVELOPER DENSITY IN AN ELECTROPHOTOGRAPHIC SYSTEM

#42

20120020684

2012-01-26

Image forming apparatus, and image forming method

#43

20110311244

2011-12-22

IMAGE FORMING APPARATUS AND METHOD

#44

20110280606

2011-11-17

Dynamic donor loading control for development system

#45

20110182605

2011-07-28

Image forming device and method of adjusting density of formed image

#46

20110069996

2011-03-24

Image forming apparatus and image forming method

#47

20100272453

2010-10-28

Image forming apparatus

#48

20100266297

2010-10-21

IMAGE FORMING APPARATUS AND IMAGE CARRIER UNIT

#49

20100226664

2010-09-09

Image forming apparatus and method for controlling image density

#50

20100129092

2010-05-27

Developer device, image forming apparatus, and toner replenishment method

#51

20100086322

2010-04-08

Supply control unit and image forming apparatus

#52

20100086320

2010-04-08

Image forming apparatus including developing unit and toner supplying unit

#53

20090317105

2009-12-24

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

#54

20090214256

2009-08-27

Preset case, development apparatus, process cartridge, and image forming apparatus

#55

20090162078

2009-06-25

Image forming apparatus for detecting a non-qualified developer cartridge

#56

20090154942

2009-06-18

Image forming apparatus with high-voltage power supply

#57

20090041508

2009-02-12

Developing unit including developer conveyance system having supply path, recovery path, and agitation path, process cartridge including developing unit, and image forming apparatus including process cartridge

#58