ClassID:

178260

G03G2215/0409 - CPC Classification

Classification description:

Apparatus for electrophotographic processes; Arrangements for exposing and producing an image; Exposure devices; Light-emitting array or panel Light-emitting diodes, i.e. LED-array

Recent Application in this class:
#1
20260086473
2026-03-26

LIGHT EMITTING COMPONENT, OPTICAL WRITING DEVICE EQUIPPED WITH THE SAME, AND IMAGE FORMING SYSTEM

#2
20260086472
2026-03-26

IMAGE WRITING DEVICE AND IMAGE FORMING APPARATUS

#3
20260064027
2026-03-05

PRINT HEAD AND IMAGE FORMING APPARATUS

#4
20260056501
2026-02-26

RECORDING MEDIUM TRANSPORT DEVICE AND IMAGE FORMING APPARATUS

#5
20260050230
2026-02-19

LIGHT EMITTING MEMBERS

#6
20260010095
2026-01-08

EXPOSURE DEVICE AND IMAGE FORMING APPARATUS

#7
20250390034
2025-12-25

EXPOSURE DEVICE AND IMAGE FORMING DEVICE

#8
20250377606
2025-12-11

EXPOSURE DEVICE AND IMAGE FORMING APPARATUS

#9
20250370403
2025-12-04

IMAGE FORMING APPARATUS

#10
20250370368
2025-12-04

EXPOSURE HEAD AND IMAGE FORMING APPARATUS

#11
20250321512
2025-10-16

LIGHT SOURCE APPARATUS AND IMAGE FORMING APPARATUS

#12
20250306499
2025-10-02

IMAGE-FORMING APPARATUS

#13
20250250289
2025-08-07

ORGANIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE

#14
20250244715
2025-07-31

IMAGE FORMING APPARATUS

#15
20250244690
2025-07-31

PRINT HEAD DEVICE AND IMAGE FORMING APPARATUS PROVIDED WITH SAME

#16
20250231503
2025-07-17

DRIVING DEVICE AND PRINTING APPARATUS

#17
20250199466
2025-06-19

IMAGE FORMING APPARATUS

#18
20250199462
2025-06-19

EXCHANGING TOOL AND IMAGE FORMING APPARATUS

#19
20250199461
2025-06-19

HOLDING TOOL AND IMAGE FORMING APPARATUS

#20
20250199452
2025-06-19

IMAGE FORMING APPARATUS

#21
20250181006
2025-06-05

IMAGE FORMING APPARATUS

#22
20250172887
2025-05-29

LIGHT-EMITTING CHIP INCLUDING PLURALITY OF LIGHT-EMITTING PORTIONS, AND IMAGE-FORMING APPARATUS

#23
20250138447
2025-05-01

LIGHT EMITTING DEVICE AND IMAGE FORMING APPARATUS INCLUDING LIGHT EMITTING DEVICE

#24
20250053111
2025-02-13

LED PRINT DRIVE METHOD AND APPARATUS, LED PRINT DEVICE, AND STORAGE MEDIUM

#25
20250021032
2025-01-16

EXPOSURE DEVICE AND IMAGE FORMING APPARATUS

#26
20240427261
2024-12-26

IMAGE FORMING APPARATUS THAT REDUCES IMAGE SHIFT

#27
20240385563
2024-11-21

PRINTING EQUIPMENT FOR METALLIC MATERIAL AND PRINTING METHOD USING SAME

#28
20240345501
2024-10-17

EXPOSURE APPARATUS AND IMAGE-FORMING APPARATUS

#29
20240337964
2024-10-10

EXPOSURE APPARATUS AND IMAGE-FORMING APPARATUS

#30
20240298516
2024-09-05

ORGANIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE

#31
20240219856
2024-07-04

IMAGE FORMING SYSTEM AND IMAGE FORMING METHOD

#32
20240152070
2024-05-09

EXPOSURE-CONTROLLING APPARATUS AND IMAGE-FORMING APPARATUS

#33
20240126205
2024-04-18

Image forming apparatus with cooling configuration

#34
20240053704
2024-02-15

Image forming apparatus

#35
20240036492
2024-02-01

Driving device and printing apparatus having a connection circuit switching connection combinations of load blocks and driving circuits

#36
20240027932
2024-01-25

Light-emitting chip including plurality of light-emitting portions, and image-forming apparatus

#37
20230324827
2023-10-12

Image forming apparatus

#38
20230273544
2023-08-31

Image forming apparatus and exposure apparatus for forming image using rod lens array

#39
20230213877
2023-07-06

Light emitting device and image forming apparatus including light emitting device

#40
20230185212
2023-06-15

Exposure head and image forming apparatus

#41
20230125825
2023-04-27

Image forming apparatus with enhancing structure in cover

#42
20230041654
2023-02-09

LIGHT-EMITTING DEVICE

#43
20230004101
2023-01-05

Light emitting device and image forming apparatus

#44
20220357022
2022-11-10

LIGHT-EMITTING DEVICE AND DRAWING APPARATUS

#45
20220259229
2022-08-18

ORGANIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE

#46
20220244675
2022-08-04

Cleaning rod for optical print head included in image forming apparatus

#47
20220146959
2022-05-12

Light emitting device and image forming apparatus including light emitting device

#48
20220144857
2022-05-12

Organic compound and organic light-emitting device

#49
20220137545
2022-05-05

Image forming apparatus having cover with link to support exposure heads

#50
20220128923
2022-04-28

Light emitting device, light-emitting-element array chip, and exposure device

#51
20220091536
2022-03-24

Light emitting device, exposure device, and image forming apparatus

#52
20210356627
2021-11-18

Optical head, image forming apparatus, image reading apparatus, and method of producing optical head

#53
20210302865
2021-09-30

Light emitting device and rendering device

#54
20210181669
2021-06-17

Cleaning rod for optical print head included in image forming apparatus

#55
20210103231
2021-04-08

Image forming apparatus with separate light emitting element arrays

#56
20210080853
2021-03-18

Image forming apparatus

#57
20210072695
2021-03-11

Image forming apparatus having guide members for print head

#58
20210055669
2021-02-25

Image exposure head and image forming apparatus

#59
20200411715
2020-12-31

Light-emitting thyristor, light-emitting element chip, optical print head, and image forming device

#60
20200292958
2020-09-17

Semiconductor light-emitting device, exposure head, and image forming apparatus

#61
20200272090
2020-08-27

Exposure apparatus and image forming apparatus

#62
20200225602
2020-07-16

Light emitting component, print head, image forming apparatus, and light irradiating device

#63
20200159144
2020-05-21

Image forming apparatus having optical print heads

#64
20200117110
2020-04-16

Image forming apparatus

#65
20200110347
2020-04-09

Print agent transfer assemblies

#66
20200057408
2020-02-20

Optical sensor and image forming apparatus

#67
20200043902
2020-02-06

Micro light-emitting diode display with 3D orifice plating and light filtering

#68
20200004200
2020-01-02

Image forming apparatus including optical print head

#69
20190361368
2019-11-28

Exposure device, reading head, image formation apparatus, and image reading apparatus

#70
20190310566
2019-10-10

OPTICAL WRITING DEVICE AND IMAGE FORMING

#71
20190286005
2019-09-19

Image forming apparatus and image forming method

#72
20190146372
2019-05-16

Optical writing device and image forming apparatus

#73
20190129327
2019-05-02

Image forming apparatus including optical print head

#74
20190072872
2019-03-07

Image forming apparatus and unit for image forming apparatus for suppressing density unevenness

#75
20190064693
2019-02-28

Image forming apparatus and light emitting device

#76
20180364636
2018-12-20

Image forming apparatus having optical print head

#77
20180364609
2018-12-20

Image forming apparatus having optical print head

#78
20180314184
2018-11-01

Image forming device

#79
20180294418
2018-10-11

2,2′-bibenzo[D]imidazolidene compound having heteromonocyclic groups at the 1-, 1′-, 3- and 3′- positions, and organic light-emitting element and display device containing the same

#80
20180275556
2018-09-27

Image forming apparatus

#81
20180275539
2018-09-27

TONER AND MANUFACTURING METHOD THEREOF, TONER CARTRIDGE, DEVELOPMENT DEVICE, AND IMAGE FORMATION APPARATUS

#82
20180253025
2018-09-06

PRINT HEAD AND IMAGE FORMING APPARATUS

#83
20180234584
2018-08-16

Light-emitting component, light-emitting device, and image forming apparatus

#84
20180234583
2018-08-16

Light-emitting component having light-absorbing layer, light-emitting device, and image forming apparatus

#85
20180233534
2018-08-16

Layered structure including thyristor and light-emitting element, light-emitting component, light-emitting device, and image forming apparatus

#86
20180233533
2018-08-16

Light-emitting component, light-emitting device, and image forming apparatus

#87
20180149995
2018-05-31

Exposure device and image formation apparatus having cut fringe holding member

#88
20180095405
2018-04-05

Image forming apparatus with cleaning mechanism for LED print head having light emitting elements

#89
20180086103
2018-03-29

Light exposure device, image forming apparatus, light reception device, and image reading apparatus

#90
20180074452
2018-03-15

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

#91
20170155059
2017-06-01

Organic compound, field element, organic light-emitting element, display apparatus, image information-processing apparatus, lighting apparatus, image-forming apparatus, and exposure apparatus

#92
20170031264
2017-02-02

Light beam scanning apparatus and light beam scanning method

#93
20160202663
2016-07-14

Image reproduction system including a cooling unit for cooling light emitting units and method for using system

#94
20160062262
2016-03-03

Image forming apparatus with guide for exposure unit

#95
20130342627
2013-12-26

Image forming apparatus that includes a plurality of light emitting elements arrayed so as to expose different positions in a longitudinal direction of a photosensitive member and configured to control a light amount of a light emitted from the plurality of light emitting elements

#96
20120163868
2012-06-28

Drive device, LED array, LED head, and image forming apparatus provided therewith

#97
20120147114
2012-06-14

Light emission control device, light emission control method, and image forming apparatus

#98
20110274465
2011-11-10

Light-emitting device, light-emitting array unit, print head, image forming apparatus and light-emission control method

#99
20110262184
2011-10-27

Driver circuit, print head, and image forming apparatus

#100
20110234739
2011-09-29

Light-emitting device, driving method of light-emitting device, print head and image forming apparatus

#101
20110234738
2011-09-29

Exposure device, image forming apparatus, and image forming unit

#102
20110228027
2011-09-22

Image forming apparatus and method for detecting position deviation

#103
20110164103
2011-07-07

Light emitting element array, light emitting device, and image forming apparatus

#104
20110149404
2011-06-23

Lens array, light emitting diode head, exposure device, image forming apparatus, and image reading apparatus

#105
20110116819
2011-05-19

Exposing device and image forming apparatus

#106
20110037823
2011-02-17

Image forming apparatus with a plurality of exposure units

#107
20110024788
2011-02-03

Semiconductor composite apparatus, LED, LED printhead, and image forming apparatus

#108
20110020035
2011-01-27

Image forming apparatus

#109
20100329744
2010-12-30

Line head and an image forming apparatus using the line head

#110
20100259739
2010-10-14

Exposure device and image forming device

#111
20100254723
2010-10-07

EXPOSURE HEAD, EXPOSURE HEAD CONTROL METHOD, AND IMAGE FORMING APPARATUS

#112
20100245794
2010-09-30

Exposure device and image-forming apparatus

#113
20100245529
2010-09-30

LED print head grounding structure and image forming apparatus provided therewith

#114
20100238531
2010-09-23

Light-collecting device, light-collecting device array, exposure device and image-forming apparatus

#115
20100238257
2010-09-23

Exposure device and image forming apparatus

#116
20100232092
2010-09-16

IMAGE WRITING UNIT AND IMAGE RECORDING DEVICE USING THE SAME

#117
20100220375
2010-09-02

Lens unit, light emitting diode head, exposure device, image forming apparatus, and reading apparatus

#118
20100214390
2010-08-26

Image Forming Apparatus and Latent Image Carrier Unit

#119
20100196052
2010-08-05

Optical scanning apparatus and image forming apparatus

#120
20100195079
2010-08-05

Exposure device and image forming apparatus having a forcing portion

#121
20100183352
2010-07-22

Image forming apparatus with exposure units

#122
20100183336
2010-07-22

Line head and image forming apparatus

#123
20100166444
2010-07-01

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

#124
20100165067
2010-07-01

Exposure Head And An Image Forming Apparatus Using The Exposure Head

#125
20100135699
2010-06-03

Exposure head and image forming apparatus

#126
20100135683
2010-06-03

Line head, image forming apparatus, image forming method

#127
20100129116
2010-05-27

Light projecting device, image reading device including same, and image forming apparatus including the image reading device

#128
20100118108
2010-05-13

Light-emitting element head, light-emitting element chip, image forming apparatus and signal supply method

#129
20100067954
2010-03-18

Line Head and Image Forming Apparatus

#130
20100060704
2010-03-11

LIGHT-EMITTING DEVICE, EXPOSURE DEVICE, IMAGE FORMING APPARATUS AND LIGHT-EMISSION CONTROL METHOD

#131
20100054802
2010-03-04

Image forming apparatus

#132
20100046080
2010-02-25

Lens array and line head

#133
20100034562
2010-02-11

Lens array and line head

#134
20090322851
2009-12-31

Image forming apparatus and method of manufacturing the same

#135
20090322850
2009-12-31

Image forming apparatus

#136
20090295903
2009-12-03

Image forming apparatus, manufacturing method thereof, and exposing device

#137
20090237802
2009-09-24

Lens array, light emitting diode head, exposure device, image forming apparatus, and image reading apparatus

#138
20090225147
2009-09-10

Exposing Device, Image Forming Apparatus and Reading Apparatus

#139
20090213203
2009-08-27

Image forming apparatus

#140
20090185828
2009-07-23

Lens Array, Exposure Head, and Image Forming Apparatus

#141
20090169228
2009-07-02

Image forming apparatus with a plurality of exposure units

#142
20090162091
2009-06-25

Image forming apparatus

#143
20090136264
2009-05-28

Method and apparatus for image forming, and computer program product

#144
20090116875
2009-05-07

Image forming apparatus

#145
20090115833
2009-05-07

Light emitting array for printing or copying

#146
20090087210
2009-04-02

Image forming device

#147
20090087209
2009-04-02

Image forming device having exposure unit provided to first device body rotataby joined to second device body

#148
20090080938
2009-03-26

Exposure device and image forming apparatus with supporting member for focusing lens and light emitting element array

#149
20090074464
2009-03-19

Exposing device and image forming apparatus including the same

#150
20090066779
2009-03-12

Line head and image forming device using the same

#151
20090060580
2009-03-05

Image forming apparatus, an image forming method and an image detecting method

#152
20090060579
2009-03-05

Exposure head and an image forming apparatus using the exposure head

#153
20090060545
2009-03-05

Exposing device and image forming apparatus

#154
20090060543
2009-03-05

Image forming apparatus and method for stably detecting an image

#155
20090060542
2009-03-05

Image Forming Apparatus and an Image Forming Method

#156
20090041503
2009-02-12

Image forming device, image forming method, and exposure head

#157
20090028592
2009-01-29

Exposure device, light emitting diode head, and image forming apparatus

#158
20090009798
2009-01-08

Optical writing device, image forming apparatus and light quantity correcting method

#159
20090009580
2009-01-08

Line head, and an image forming apparatus using the line head

#160
20080304860
2008-12-11

Image forming apparatus with exposure units

#161
20080303886
2008-12-11

Line head and image forming apparatus incorporating the same

#162
20080292344
2008-11-27

Drive circuit, light emitting diode head, and image forming apparatus

#163
20080291472
2008-11-27

Line head and image forming apparatus incorporating the same

#164
20080232856
2008-09-25

Exposure apparatus, image forming apparatus and heat adjustment method

#165
20080225108
2008-09-18

Line Head and an Image Forming Apparatus Using the Line Head

#166
20080199219
2008-08-21

Writing device

#167
20080175605
2008-07-24

Light-emitting device, image-printing device, and manufacturing method of sealing member

#168
20080166645
2008-07-10

PYRANTHRONE TYPE COMPOUND, ORGANIC PHOTORECEPTOR, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS

#169
20080166149
2008-07-10

Drive device, LED array, LED head, and image forming apparatus provided therewith

#170
20080150849
2008-06-26

Line head and image forming apparatus incorporating the same

#171
20080145103
2008-06-19

Image forming apparatus, exposure apparatus, image holder, image forming method, and exposing method

#172
20080136888
2008-06-12

Line head and image forming apparatus incorporating the same

#173
20080068439
2008-03-20

Focus adjustment method of LED print head and image forming apparatus

#174
20080063431
2008-03-13

Semiconductor device, light emitting diode head, and image forming apparatus

#175
20080055670
2008-03-06

Recording head, LED head, and image forming apparatus

#176
20080024587
2008-01-31

Line head and an image forming apparatus using the line head

#177
20080024393
2008-01-31

Line head and image forming apparatus incorporating the same

#178
20080019707
2008-01-24

Image forming apparatus and image forming method

#179
20080012932
2008-01-17

Image forming apparatus

#180
20080012803
2008-01-17

Image forming device

#181
20070258728
2007-11-08

Neutralization device and image forming unit for use in image forming apparatus, and the image forming apparatus

#182
20070196118
2007-08-23

Image formation apparatus with image correction capability

#183
20070126852
2007-06-07

Image forming apparatus and method for adjusting the interval between a write head and a photoreceptor

#184
20070120939
2007-05-31

Image formation device and method for correcting periodic variations

#185
20070115340
2007-05-24

Image forming device with LED array head

#186
20070109395
2007-05-17

Led array head and image recording device

#187
20070086808
2007-04-19

Full-color image forming apparatus having variable power light source

#188
20070085894
2007-04-19

Image forming device

#189
20070081068
2007-04-12

IMAGE FORMING APPARATUS

#190
20070070172
2007-03-29

Image forming device

#191
20070064082
2007-03-22

Image forming unit and image forming apparatus

#192
20070030327
2007-02-08

Light amount correcting method for light emitting apparatus, image forming apparatus, and display apparatus

#193
20070018559
2007-01-25

Printer light source device

#194
20060215009
2006-09-28

Device and method for registering multiple LED bar imagers in an image-on-image system

#195
20060197102
2006-09-07

Semiconductor composite apparatus, LED, LED printhead, and image forming apparatus

#196
20060192843
2006-08-31

LED array exposing apparatus and image forming apparatus using the same

#197
20060176538
2006-08-10

Image forming apparatus for forming a latent image on an image carrier

#198
20060165420
2006-07-27

Imaging device and methods

#199
20060114365
2006-06-01

Manufacturing method of electrooptical device and image forming apparatus

#200
20050146263
2005-07-07

Lighting elements, devices and methods

#201
20050128282
2005-06-16

Image forming device

#202
20050110859
2005-05-26

Image forming apparatus

#203
20050094691
2005-05-05

Line head and image forming apparatus incorporating the same

#204
20050093963
2005-05-05

Optical writing unit, image forming apparatus, process cartridge, and method of adjusting light intensity

#205
20050047831
2005-03-03

Apparatus for reducing warm-up time by auxiliary light source and method for the same

#206
17740406
2023-08-15

Hierarchical linear LED printhead design

#207
17024972
2021-12-14

Exposure head and image forming apparatus

#208
16822798
2020-12-29

Image forming apparatus

#209
15151727
2017-09-26

Printhead focus adjustment mechanism including an eccentric pin

#210
15151715
2017-07-18

In-situ printhead focus adjustment