Patents-Review.com
ClassID:

57301 ⎘

B41J2/14153 - CPC Classification

Classification description:

Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material; Ink jet; Nozzles; Structure thereof only for on-demand ink jet heads; Structure of bubble jet print heads Structures including a sensor

Recent Application in this class:
#1
20260145422
2026-05-28

LIQUID EJECTION HEAD AND LIQUID EJECTION APPARATUS

 #2
20260048587
2026-02-19

LIQUID EJECTION DEVICE AND LIQUID EJECTION HEAD

 #3
20260027826
2026-01-29

PRINT ELEMENT SUBSTRATE, LIQUID EJECTION HEAD, AND LIQUID EJECTION APPARATUS

 #4
20250326234
2025-10-23

INKJET PRINTING APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM

 #5
20250269660
2025-08-28

LIQUID EJECTION APPARATUS AND CIRCULATION STATE DETERMINATION METHOD

 #6
20250249688
2025-08-07

RECORDING DEVICE

 #7
20250144934
2025-05-08

RECORDING ELEMENT SUBSTRATE AND RECORDING HEAD

 #8
20250135785
2025-05-01

LIQUID EJECTION APPARATUS

 #9
20250100278
2025-03-27

LIQUID EJECTION HEAD SUBSTRATE, LIQUID EJECTION HEAD, AND LIQUID EJECTION APPARATUS

 #10
20250074053
2025-03-06

PRINTING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM

 #11
20240308213
2024-09-19

LIQUID DISCHARGE HEAD SUBSTRATE, LIQUID DISCHARGE HEAD, AND LIQUID DISCHARGE APPARATUS

 #12
20240300240
2024-09-12

LIQUID EJECTION APPARATUS AND LIQUID EJECTION HEAD

 #13
20240208230
2024-06-27

RECORDING APPARATUS AND CONTROL METHOD OF RECORDING APPARATUS

 #14
20240208209
2024-06-27

HEAD SUBSTRATE, LIQUID DISCHARGING HEAD, AND LIQUID DISCHARGING DEVICE

 #15
20240208208
2024-06-27

ELEMENT SUBSTRATE AND PRINTING APPARATUS

 #16
20240165948
2024-05-23

RECORDING ELEMENT SUBSTRATE AND RECORDING DEVICE

 #17
20240140090
2024-05-02

HEATING DEVICE AND INKJET RECORDING APPARATUS

 #18
20240042758
2024-02-08

LIQUID EJECTION HEAD INSPECTION METHOD, LIQUID EJECTION HEAD INSPECTION APPARATUS, AND EJECTION ELEMENT SUBSTRATE

 #19
20230358734
2023-11-09

POSITIONALLY PRECISE FUNCTIONALIZATION OF SHALLOW LUMINESCENT CENTERS THROUGH FORSTER RESONANT ENERGY TRANSFER (FRET) DRIVEN SURFACE PHOTOCHEMISTRY

 #20
20230286275
2023-09-14

METHOD FOR PRESERVING INK VISCOSITY IN INKJETS IN AN INKJET PRINTER DURING PRINTING

 #21
20230241897
2023-08-03

System and method for compensating for vibrations in an inkjet printer

 #22
20230234356
2023-07-27

System and method for preserving ink viscosity in inkjets in an inkjet printer during printing

 #23
20230101931
2023-03-30

Liquid ejecting apparatus

 #24
20230039160
2023-02-09

Liquid ejection head and liquid ejection apparatus

 #25
20230014003
2023-01-19

INTEGRATED FLUID EJECTION AND IMAGING

 #26
20230001693
2023-01-05

Printing apparatus, stand and movement control method

 #27
20230001692
2023-01-05

DROPLET DELIVERY

 #28
20220184950
2022-06-16

Element substrate, liquid ejection head, liquid ejection apparatus, and manufacturing method

 #29
20220134745
2022-05-05

Cavitation plate to protect a heating component and detect a condition

 #30
20220126594
2022-04-28

Liquid circulation device, liquid discharge apparatus, and liquid circulation method

 #31
20220105726
2022-04-07

PRINTHEADS

 #32
20220097369
2022-03-31

Fluid feed hole corrosion detection

 #33
20210370670
2021-12-02

Print element substrate, printhead, and printing apparatus

 #34
20210354461
2021-11-18

Die for a printhead

 #35
20210316551
2021-10-14

Fluidic dies with selectors adjacent respective firing subassemblies

 #36
20210268797
2021-09-02

Fluidic dies with transmission paths having corresponding parasitic capacitances

 #37
20210252851
2021-08-19

Printing apparatus and method of judging nozzle discharge state of printing apparatus

 #38
20210245496
2021-08-12

FLUIDIC DEVICE WITH NOZZLE LAYER HAVING CONDUCTIVE TRACE FOR DAMAGE DETECTION

 #39
20210237444
2021-08-05

Processing device

 #40
20210187941
2021-06-24

Element substrate, liquid discharge head, and printing apparatus

 #41
20210170749
2021-06-10

Servicing based on impedance values

 #42
20210162741
2021-06-03

Fluidic die with monitoring circuit fault protection

 #43
20210129532
2021-05-06

Fluid ejection dies including strain gauge sensors

 #44
20210094286
2021-04-01

Liquid discharging head

 #45
20210078320
2021-03-18

Dies including strain gauge sensors and temperature sensors

 #46
20210053343
2021-02-25

Fluidic die with low voltage monitoring circuit including high voltage tolerant transistor

 #47
20210031513
2021-02-04

Element substrate, liquid ejection head, and method of manufacturing element substrate

 #48
20210016570
2021-01-21

Element substrate, liquid discharge head, and printing apparatus

 #49
20210008878
2021-01-14

Element substrate, liquid discharge head, and printing apparatus

 #50
20200391507
2020-12-17

Fluid distinguishing devices

 #51
20200376842
2020-12-03

Liquid circulation device, liquid discharge apparatus, and liquid circulation method

 #52
20200369035
2020-11-26

Fluid ejection device with nozzle column data groups including drive bubble detect data

 #53
20200338888
2020-10-29

Element substrate, liquid discharge head, and printing apparatus

 #54
20200338883
2020-10-29

On-die actuator disabling

 #55
20200309666
2020-10-01

DETECTION OF FLUID PARTICLE CONCENTRATIONS

 #56
20200307178
2020-10-01

THERMAL CONDUCTIVITY DETERMINATION OF A PRINT MATERIAL

 #57
20200180308
2020-06-11

Printing apparatus and method of determining minimum discharge energy

 #58
20200180305
2020-06-11

Fluid actuator evaluation independent of actuation state

 #59
20200164640
2020-05-28

Dies including strain gauge sensors and temperature sensors

 #60
20200139709
2020-05-07

Fluidic die sense architecture

 #61
20200139706
2020-05-07

Element substrate, printhead and printing apparatus

 #62
20200122466
2020-04-23

Fluid back pressure sensing with a strain sensor

 #63
20200094548
2020-03-26

LIQUID DISCHARGE APPARATUS

 #64
20200055312
2020-02-20

Detecting a drive bubble formation and collapse

 #65
20200031127
2020-01-30

Fluid ejection dies including strain gauge sensors

 #66
20200016892
2020-01-16

Fluid supply control

 #67
20200016888
2020-01-16

On-die actuator evaluation

 #68
20200009889
2020-01-09

Method for detecting ejection abnormality of nozzle and system for detecting ejection abnormality of nozzle

 #69
20200001535
2020-01-02

System and method for depositing liquids

 #70
20190389213
2019-12-26

Print element substrate, liquid discharge head, and liquid discharge apparatus

 #71
20190381790
2019-12-19

Printing apparatus and printhead substrate

 #72
20190381789
2019-12-19

Apparatus with microelectromechanical die and application specific integrated circuit

 #73
20190366710
2019-12-05

Liquid discharge apparatus

 #74
20190366708
2019-12-05

Nozzle sensor protection

 #75
20190366707
2019-12-05

Nozzle sensor evaluation

 #76
20190344570
2019-11-14

Fluid ejection device with nozzle column data groups including drive bubble detect data

 #77
20190299591
2019-10-03

Redundant sensor data serialization, sensed state determination and sensor malfunction diagnosis apparatus

 #78
20190255837
2019-08-22

Low voltage bias of nozzle sensors

 #79
20190248131
2019-08-15

Fluid ejection device combining drive bubble detect and thermal response

 #80
20190210366
2019-07-11

Conductive wire disposed in a layer

 #81
20190202206
2019-07-04

Fluid ejection device and particle detector

 #82
20190168512
2019-06-06

Fluid ejection device

 #83
20190152221
2019-05-23

Printing system comprising a microelectromechanical die and an application specific integrated circuit

 #84
20190151848
2019-05-23

Microfluidic apparatuses

 #85
20190126616
2019-05-02

Adaptive print head calibration process

 #86
20190111676
2019-04-18

Modifying firing parameters for printheads

 #87
20190105921
2019-04-11

Element substrate, manufacturing method thereof, printhead, and printing apparatus

 #88
20190023004
2019-01-24

Nozzle condition indication

 #89
20190016119
2019-01-17

Liquid ejection head and liquid ejection apparatus

 #90
20190001695
2019-01-03

Print head sensing chamber circulation

 #91
20190001667
2019-01-03

Printing apparatus and printhead substrate

 #92
20190001663
2019-01-03

Print element substrate, method of manufacturing print element substrate, and method of manufacturing printhead

 #93
20180361739
2018-12-20

Printhead and printing apparatus

 #94
20180361737
2018-12-20

Semiconductor device, liquid discharge head, and liquid discharge apparatus

 #95
20180345667
2018-12-06

Printhead condition detection system

 #96
20180326728
2018-11-15

Print bar sensors

 #97
20180312706
2018-11-01

Ink jet recording method and ink jet recording apparatus

 #98
20180311956
2018-11-01

Printheads

 #99
20180290457
2018-10-11

Semiconductor device including capacitive sensor and ion-sensitive transistor for determining level and ion-concentration of fluid

 #100
20180272335
2018-09-27

DROPLET DISPENSING APPARATUS

 #101
20180236765
2018-08-23

FLUID DEVICE

 #102
20180194132
2018-07-12

Tablet printing apparatus and tablet printing method

 #103
20180170051
2018-06-21

Print element substrate, printhead, and image forming apparatus

 #104
20180170034
2018-06-21

Detect circuits for print heads

 #105
20180162137
2018-06-14

Fluid level sensor and related methods

 #106
20180162124
2018-06-14

Detecting a drive bubble formation and collapse

 #107
20180162123
2018-06-14

Print element substrate, printhead, and printing apparatus

 #108
20180162122
2018-06-14

Modules to identify nozzle chamber operation

 #109
20180147841
2018-05-31

Printing element temperature adjustment

 #110
20180086084
2018-03-29

Liquid ejecting head and liquid ejecting apparatus

 #111
20180086075
2018-03-29

Liquid discharge apparatus

 #112
20180061506
2018-03-01

Semiconductor apparatus, liquid discharge head substrate, liquid discharge head, and liquid discharge apparatus

 #113
20180043686
2018-02-15

Inkjet printhead device, fluid ejection device, and method thereof

 #114
20180037029
2018-02-08

Element substrate and printhead

 #115
20180023995
2018-01-25

Drop ejection based flow sensor calibration

 #116
20180022106
2018-01-25

Fluid ejection device

 #117
20180022091
2018-01-25

Printer fluid impedance sensing in a printhead

 #118
20180015729
2018-01-18

Cartridges comprising sensors including ground electrodes exposed to fluid chambers

 #119
20180009224
2018-01-11

Sensing a property of a fluid

 #120
20180001618
2018-01-04

Crack sensing for printhead having multiple printhead die

 #121
20170355188
2017-12-14

Fluidic die

 #122
20170355185
2017-12-14

Crack sensing for printhead having multiple printhead die

 #123
20170348914
2017-12-07

System and method for depositing liquids

 #124
20170313058
2017-11-02

Printhead with microelectromechanical die and application specific integrated circuit

 #125
20170297333
2017-10-19

Liquid discharging head, liquid discharging unit, and device for discharging liquid

 #126
20170232743
2017-08-17

Fluid ejection device with printhead ink level sensor

 #127
20170232737
2017-08-17

Liquid ejection head and liquid ejection apparatus

 #128
20170146383
2017-05-25

Ink level sensing

 #129
20170144451
2017-05-25

Ink level sensing

 #130
20170106646
2017-04-20

Modules to identify nozzle chamber operation

 #131
20170098756
2017-04-06

Piezoelectric film, piezoelectric film element, piezoelectric actuator, piezoelectric sensor, hard-disk drive and ink jet printer head

 #132
20170080707
2017-03-23

Inkjet printing system, fluid ejection system, and method thereof

 #133
20170050430
2017-02-23

System for detecting inoperative inkjets in printheads ejecting clear ink using thermal substrates

 #134
20170043572
2017-02-16

Evaluating print head nozzle condition

 #135
20170036452
2017-02-09

Fluid ejection device with integrated ink level sensors

 #136
20170028724
2017-02-02

Printhead condition detection system

 #137
20170021614
2017-01-26

Fluid ejection apparatus with single-side thermal sensor

 #138
20170008285
2017-01-12

Determining an issue in an inkjet nozzle with impedance measurements

 #139
20170001433
2017-01-05

Evaluating print nozzle condition

 #140
20160375691
2016-12-29

Fluid level sensor and related methods

 #141
20160347054
2016-12-01

Printhead with plurality of fluid slots

 #142
20160339696
2016-11-24

Ink property sensing on a printhead

 #143
20160339692
2016-11-24

Ink jet printing apparatus and ink jet printing method

 #144
20160297198
2016-10-13

Printhead condition detection system

 #145
20160279931
2016-09-29

Inkjet printhead device, fluid ejection device, and method thereof

 #146
20160271940
2016-09-22

Detecting a drive bubble formation and collapse

 #147
20160250847
2016-09-01

Printhead leak determination

 #148
20160243845
2016-08-25

Printhead with separate address generator for ink level sensors

 #149
20160193831
2016-07-07

System for detecting inoperative inkjets in printheads ejecting clear ink using thermal substrates

 #150
20160082725
2016-03-24

Determining an issue in an inkjet nozzle with impedance measurements

 #151
20160009078
2016-01-14

Printing element substrate, liquid ejection head, and liquid ejection apparatus

 #152
20150375520
2015-12-31

Abnormality sensing method for pressure sensor, and liquid discharge device

 #153
20150343817
2015-12-03

Image recording apparatus, image recording method, and non-transitory computer-readable storage medium

 #154
20150336385
2015-11-26

Liquid ejection head, method for cleaning the head, recording apparatus provided with the head

 #155
20150336382
2015-11-26

System for detecting inoperative inkjets in printheads ejecting clear ink using thermal substrates

 #156
20150321470
2015-11-12

Base, liquid discharge head, printing apparatus, and method for determining liquid discharge status

 #157
20150124011
2015-05-07

Inkjet printing system, fluid ejection system, and method thereof

 #158
20150070433
2015-03-12

Liquid ejection apparatus and liquid ejection head

 #159
20150049148
2015-02-19

Liquid ejecting head and liquid ejecting apparatus

 #160
20150035186
2015-02-05

System and method for depositing liquids

 #161
20150029252
2015-01-29

Determining an issue in an inkjet nozzle with impedance measurements

 #162
20150029250
2015-01-29

Inkjet issue determination

 #163
20140333694
2014-11-13

Detecting a drive bubble formation and collapse

 #164
20140300660
2014-10-09

Liquid ejection head substrate and liquid ejection head

 #165
20140300657
2014-10-09

Printing apparatus and ink discharge state determination method

 #166
20140210881
2014-07-31

Inkjet printing system, fluid ejection system, and method thereof

 #167
20140204148
2014-07-24

Ink level sensor and related methods

 #168
20140168313
2014-06-19

System and method for controlling dewpoint in a print zone within an inkjet printer

 #169
20140118435
2014-05-01

Inkjet printhead device, fluid ejection device, and method thereof

 #170
20140085363
2014-03-27

Fluid level sensor and related methods

 #171
20130278657
2013-10-24

Calibrating a program that detects a condition of an inkjet nozzle

 #172
20130278656
2013-10-24

Determining an issue with an inkjet nozzle using an impedance difference

 #173
20130201248
2013-08-08

Liquid ejecting head and liquid ejecting apparatus

 #174
20130194335
2013-08-01

Liquid-droplet ejection device

 #175
20130176357
2013-07-11

Printing apparatus control method for printing apparatus

 #176
20130135381
2013-05-30

Printing apparatus

 #177
20130135376
2013-05-30

Printing apparatus

 #178
20130070012
2013-03-21

Liquid ejection head, liquid ejection apparatus and abnormality detection method for liquid ejection head

 #179
20120306953
2012-12-06

Printing apparatus and discharge inspection method

 #180
20120056943
2012-03-08

Fluid-ejection printhead die having an electrochemical cell

 #181
20120044294
2012-02-23

Liquid ejection head having a light receiving element and a method of inspecting liquid ejection head

 #182
20110211000
2011-09-01

Method of detecting discharging state of inkjet recording head

 #183
20110084997
2011-04-14

Determining a healthy fluid ejection nozzle

 #184
20100156982
2010-06-24

Ejection status determining method for inkjet printing head

 #185
20100123748
2010-05-20

Liquid droplet ejecting apparatus, liquid droplet ejecting method and computer readable medium storing a program

 #186
20100039477
2010-02-18

Thermal inkjet printhead and method of driving same

 #187
20090085946
2009-04-02

INKJET RECORDING HEAD AND INKJET RECORDING APPARATUS HAVING THE SAME

 #188
20090073215
2009-03-19

Introducing material into a printhead enclosure

 #189
20090058914
2009-03-05

INKJET PRINT HEAD AND METHOD THEREOF

 #190
20090040258
2009-02-12

INKJET IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING THE SAME

 #191
20090002428
2009-01-01

METHOD OF DETECTING MISSING NOZZLE AND INK JET PRINT HEAD USING THE SAME

 #192
20090002427
2009-01-01

METHOD OF DETECTING MISSING NOZZLE AND INK JET PRINT HEAD USING THE SAME

 #193
20070291069
2007-12-20

Inspection method for a recording head, inspection apparatus for a recording head, and recording apparatus

 #194
20070153032
2007-07-05

MICROINJECTION APPARATUS INTEGRATED WITH SIZE DETECTOR

 #195
20070103498
2007-05-10

Inkjet printhead

 #196
20070091133
2007-04-26

MICROINJECTION APPARATUS WITH THERMOCHROMIC INDICATOR

 #197
20070040860
2007-02-22

Fluid injection devices with sensors, fluid injection system and method of analyzing fluid in fluid injection devices

 #198
20060244777
2006-11-02

Print head apparatus with malfunction detector

 #199
20060176339
2006-08-10

Inkjet printer and method of actuating this inkjet printer

 #200
20060132571
2006-06-22

Introducing material into a printhead enclosure

 #201
20060103695
2006-05-18

Thin film and thick film heater and control architecture for a liquid drop ejector

 #202
20060098056
2006-05-11

Fluid injection devices integrated with sensors and fabrication methods thereof

 #203
20060082614
2006-04-20

Fluid injection devices and methods for controlling injection quality thereof

 #204
20060017774
2006-01-26

Ink jet head substrate, ink jet head, and method of manufacturing an ink jet head substrate

 #205
20050275676
2005-12-15

Inkjet print head

 #206
20050185023
2005-08-25

Printing head, head cartridge having printing head, printing apparatus using printing head, and printing head substrate

 #207
20050179745
2005-08-18

Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet head

 #208
20050012773
2005-01-20

Ink jet head unit