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G03G2215/026

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GPHYSICS G03Photography G03GELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY G03G2215/00Apparatus for electrophotographic processes

Current Industry

G03G2215/026by coronas

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus with plural corona chargers
- Patent number 10,663,879
- Issue date May 26, 2020
- Canon Kabushiki Kaisha
- Kenichiro Kitajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 10,359,728
- Issue date Jul 23, 2019
- Canon Kabushiki Kaisha
- Kenichiro Kitajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,726,999
- Issue date Aug 8, 2017
- Canon Kabushiki Kaisha
- Kenichiro Kitajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,122,188
- Issue date Sep 1, 2015
- Canon Kabushiki Kaisha
- Kenji Fukushi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,781,350
- Issue date Jul 15, 2014
- Brother Kogyo Kabushiki Kaisha
- Kunihiko Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device having a shielding member
- Patent number 8,682,222
- Issue date Mar 25, 2014
- Canon Kabushiki Kaisha
- Hiroyuki Kidaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus having an electrophotgraphic photosen...
- Patent number 8,630,558
- Issue date Jan 14, 2014
- Canon Kabushiki Kaisha
- Yuu Nishimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device
- Patent number 8,521,054
- Issue date Aug 27, 2013
- Canon Kabushiki Kaisha
- Hiroyuki Kidaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device including a multi-portion sheet member for shieldin...
- Patent number 8,385,779
- Issue date Feb 26, 2013
- Canon Kabushiki Kaisha
- Shigeki Takishita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for automatic corotron cleaning in an image pr...
- Patent number 8,204,399
- Issue date Jun 19, 2012
- Xerox Corporation
- Robert Arnold Gross
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for corotron cleaning management in an image p...
- Patent number 8,170,440
- Issue date May 1, 2012
- Xerox Corporation
- David Sekovski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ion generating element, charging device, and image forming apparatus
- Patent number 8,068,768
- Issue date Nov 29, 2011
- Sharp Kabushiki Kaisha
- Katsumi Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for generating a spread spectrum signal in a p...
- Patent number 7,933,532
- Issue date Apr 26, 2011
- Xerox Corporation
- Jerry F. Adams
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for charging a photoconductor and cleaning a scorotron grid
- Patent number 7,912,399
- Issue date Mar 22, 2011
- Xerox Corporation
- Rasin Moser
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging brush unit, charging device, and image forming apparatus
- Patent number 7,907,869
- Issue date Mar 15, 2011
- Ricoh Company Limited
- Kohta Takenaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer unit and image forming apparatus using the unit
- Patent number 7,813,662
- Issue date Oct 12, 2010
- Ricoh Company Limited
- Tetsuya Muto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ion generating device with a discharge electrode on a dielectric bo...
- Patent number 7,801,464
- Issue date Sep 21, 2010
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Corona charger having two charging regions
- Patent number 7,738,813
- Issue date Jun 15, 2010
- Ricoh Company, Ltd.
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
System and methods for reducing ghosting
- Patent number 7,734,204
- Issue date Jun 8, 2010
- Xerox Corporation
- Joseph H. Rowe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and image forming apparatus with discharge electrode deta...
- Patent number 7,734,216
- Issue date Jun 8, 2010
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electron emission element, charging device, process cartridge, and...
- Patent number 7,728,503
- Issue date Jun 1, 2010
- Ricoh Company, Ltd.
- Eiichi Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming unit, process cartridge, and image forming apparatus
- Patent number 7,715,761
- Issue date May 11, 2010
- Ricoh Company, Limited
- Junroh Uda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device, and process cartridge and image forming apparatus...
- Patent number 7,715,760
- Issue date May 11, 2010
- Ricoh Company, Ltd.
- Naomi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device, photoconductive drum unit, and image forming device
- Patent number 7,570,902
- Issue date Aug 4, 2009
- Murata Machinery, Ltd.
- Naritoshi Takamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Modular snap-together electrical and air connector
- Patent number 7,549,879
- Issue date Jun 23, 2009
- Xerox Corporation
- James D Walsh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct charging device using nano-structures within a metal coated...
- Patent number 7,466,942
- Issue date Dec 16, 2008
- Xerox Corporation
- Michael F. Zona
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having charging unit with separate intake a...
- Patent number 7,415,218
- Issue date Aug 19, 2008
- Sharp Kabushiki Kaisha
- Takashi Hori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Nanostructure-based solid state charging device
- Patent number 7,398,035
- Issue date Jul 8, 2008
- Xerox Corporation
- Michael F. Zona
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic reproduction system with a multifaceted chargin...
- Patent number 7,295,793
- Issue date Nov 13, 2007
- Eastman Kodak Company
- Daniel R. Palmer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Corona device grid cleaner
- Patent number 7,272,337
- Issue date Sep 18, 2007
- Xerox Corporation
- Alvin J. Owens
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
RESIN PARTICLE, TONER, TONER ACCOMMODATING UNIT, IMAGE FORMING APPA...
- Publication number 20250013163
- Publication date Jan 9, 2025
- RICOH COMPANY, LTD.
- Suzuka Karato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240142889
- Publication date May 2, 2024
- Canon Kabushiki Kaisha
- TADASHI FUKUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20190187583
- Publication date Jun 20, 2019
- Canon Kabushiki Kaisha
- Kenichiro Kitajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING DEVICE
- Publication number 20130164036
- Publication date Jun 27, 2013
- Canon Kabushiki Kaisha
- Hiroyuki Kidaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging Device and Photosensitive Drum Component
- Publication number 20120269550
- Publication date Oct 25, 2012
- Print-Rite Unicorn Image Products Co., Ltd.
- Huajin Qin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120128382
- Publication date May 24, 2012
- BROTHER KOGYO KABUSHIKI KAISHA
- Kunihiko KONDO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110243586
- Publication date Oct 6, 2011
- Canon Kabushiki Kaisha
- Kenji Fukushi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME
- Publication number 20110236072
- Publication date Sep 29, 2011
- Yasuo Imura
- B82 - NANO-TECHNOLOGY
Information Patent Application
CHARGING DEVICE
- Publication number 20110222899
- Publication date Sep 15, 2011
- Canon Kabushiki Kaisha
- Hiroyuki Kidaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS UNIT FOR AN IMAGE-FORMING DEVICE
- Publication number 20110200350
- Publication date Aug 18, 2011
- BROTHER KOGYO KABUSHIKI KAISHA
- Kiyomitsu Kumazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC APPARATUS
- Publication number 20110123215
- Publication date May 26, 2011
- Canon Kabushiki Kaisha
- Yuu Nishimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20100322668
- Publication date Dec 23, 2010
- Canon Kabushiki Kaisha
- Shigeki TAKISHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SCREEN-CONTROLLED SCOROTRON CHARGING DEVICE
- Publication number 20100221043
- Publication date Sep 2, 2010
- Avision Inc.
- Katsuhiko Gotoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS FOR CHARGING A PHOTOCONDUCTOR AND CLEANING A SCOROTRON GRID
- Publication number 20100104315
- Publication date Apr 29, 2010
- Xerox Corporation
- Rasin MOSER
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD AND APPARATUS FOR COROTRON CLEANING MANAGEMENT IN AN IMAGE P...
- Publication number 20100086316
- Publication date Apr 8, 2010
- Xerox Corporation
- David SEKOVSKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD AND APPARATUS FOR AUTOMATIC COROTRON CLEANING IN AN IMAGE PR...
- Publication number 20100028040
- Publication date Feb 4, 2010
- Xerox Corporation
- Robert Arnold Gross
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ION GENERATING ELEMENT, CHARGING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20090311008
- Publication date Dec 17, 2009
- Katsumi ADACHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD AND APPARATUS FOR GENERATING A SPREAD SPECTRUM SIGNAL IN A P...
- Publication number 20090279915
- Publication date Nov 12, 2009
- Xerox Corporation
- Jerry F. ADAMS
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SYSTEM AND METHODS FOR REDUCING GHOSTING
- Publication number 20090196656
- Publication date Aug 6, 2009
- Xerox Corporation
- Joseph H. Rowe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging device, and process cartridge and image forming apparatus...
- Publication number 20090116872
- Publication date May 7, 2009
- Naomi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ION GENERATING DEVICE, METHOD FOR PRODUCING ION GENERATING DEVICE,...
- Publication number 20090039244
- Publication date Feb 12, 2009
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING BRUSH UNIT, CHARGING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20080304866
- Publication date Dec 11, 2008
- Kohta TAKENAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER UNIT AND IMAGE FORMING APPARATUS USING THE UNIT
- Publication number 20080279589
- Publication date Nov 13, 2008
- Tetsuya MUTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20080260438
- Publication date Oct 23, 2008
- Junroh Uda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CORONA CHARGER AND IMAGE FORMING APPARATUS USING THE SAME
- Publication number 20080118275
- Publication date May 22, 2008
- Kei YASUTOMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
- Publication number 20080112742
- Publication date May 15, 2008
- Hideo NAKAMORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Direct charging device using nano-structures within a metal coated...
- Publication number 20070237546
- Publication date Oct 11, 2007
- Xerox Corporation.
- Michael F. Zona
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Use of nano-structure coatings for improved solid state charger per...
- Publication number 20070237547
- Publication date Oct 11, 2007
- Xerox Corporation.
- Michael F. Zona
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTRON EMISSION ELEMENT, CHARGING DEVICE, PROCESS CARTRIDGE, AND...
- Publication number 20070231010
- Publication date Oct 4, 2007
- Eiichi Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING DEVICE, PHOTOCONDUCTIVE DRUM UNIT, AND IMAGE FORMING DEVICE
- Publication number 20070223961
- Publication date Sep 27, 2007
- MURATA KIKAI KABUSHIKI KAISHA
- Naritoshi TAKAMATSU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Image forming apparatus with plural corona chargers

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus

Charging device having a shielding member

Electrophotographic apparatus having an electrophotgraphic photosen...

Charging device

Charging device including a multi-portion sheet member for shieldin...

Method and apparatus for automatic corotron cleaning in an image pr...

Method and apparatus for corotron cleaning management in an image p...

Ion generating element, charging device, and image forming apparatus

Method and apparatus for generating a spread spectrum signal in a p...

Apparatus for charging a photoconductor and cleaning a scorotron grid

Charging brush unit, charging device, and image forming apparatus

Transfer unit and image forming apparatus using the unit

Ion generating device with a discharge electrode on a dielectric bo...

Corona charger having two charging regions

System and methods for reducing ghosting

Cartridge and image forming apparatus with discharge electrode deta...

Electron emission element, charging device, process cartridge, and...

Image forming unit, process cartridge, and image forming apparatus

Charging device, and process cartridge and image forming apparatus...

Charging device, photoconductive drum unit, and image forming device

Modular snap-together electrical and air connector

Direct charging device using nano-structures within a metal coated...

Image forming apparatus having charging unit with separate intake a...

Nanostructure-based solid state charging device

Electrophotographic reproduction system with a multifaceted chargin...

Corona device grid cleaner

Patents Applicationslast 30 patents

RESIN PARTICLE, TONER, TONER ACCOMMODATING UNIT, IMAGE FORMING APPA...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

CHARGING DEVICE

Charging Device and Photosensitive Drum Component

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME

CHARGING DEVICE

PROCESS UNIT FOR AN IMAGE-FORMING DEVICE

ELECTROPHOTOGRAPHIC APPARATUS

CHARGING DEVICE AND IMAGE FORMING APPARATUS

SCREEN-CONTROLLED SCOROTRON CHARGING DEVICE

APPARATUS FOR CHARGING A PHOTOCONDUCTOR AND CLEANING A SCOROTRON GRID

METHOD AND APPARATUS FOR COROTRON CLEANING MANAGEMENT IN AN IMAGE P...

METHOD AND APPARATUS FOR AUTOMATIC COROTRON CLEANING IN AN IMAGE PR...

ION GENERATING ELEMENT, CHARGING DEVICE, AND IMAGE FORMING APPARATUS

METHOD AND APPARATUS FOR GENERATING A SPREAD SPECTRUM SIGNAL IN A P...

SYSTEM AND METHODS FOR REDUCING GHOSTING

Charging device, and process cartridge and image forming apparatus...

ION GENERATING DEVICE, METHOD FOR PRODUCING ION GENERATING DEVICE,...

CHARGING BRUSH UNIT, CHARGING DEVICE, AND IMAGE FORMING APPARATUS

TRANSFER UNIT AND IMAGE FORMING APPARATUS USING THE UNIT

IMAGE FORMING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

CORONA CHARGER AND IMAGE FORMING APPARATUS USING THE SAME

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE

Direct charging device using nano-structures within a metal coated...

Use of nano-structure coatings for improved solid state charger per...

ELECTRON EMISSION ELEMENT, CHARGING DEVICE, PROCESS CARTRIDGE, AND...

CHARGING DEVICE, PHOTOCONDUCTIVE DRUM UNIT, AND IMAGE FORMING DEVICE