by contact, friction or induction

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CPC
G03G15/0208

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GPHYSICS G03Photography G03GELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY G03G15/00Apparatus for electrographic processes using a charge pattern

Current Industry

G03G15/0208by contact, friction or induction

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Solid fog development for digital offset printing applications
- Patent number 11,390,063
- Issue date Jul 19, 2022
- Palo Alto Research Center Incorporated
- David K. Biegelsen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet-conveying device, image-forming apparatus, and image-reading...
- Patent number 10,564,584
- Issue date Feb 18, 2020
- Canon Kabushiki Kaisha
- Atsushi Ogata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet conveying device, image forming apparatus incorporating the s...
- Patent number 10,530,950
- Issue date Jan 7, 2020
- Ricoh Company, Ltd.
- Takeshi Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Positively chargeable toner and two-component developer
- Patent number 10,345,727
- Issue date Jul 9, 2019
- Kyocera Document Solutions Inc.
- Ryotaro Komada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus that prevents toner charged with polarity o...
- Patent number 10,248,043
- Issue date Apr 2, 2019
- Canon Kabushiki Kaisha
- Shuichi Tetsuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a seal member which is disposed at a...
- Patent number 10,146,170
- Issue date Dec 4, 2018
- Kyocera Document Solutions Inc.
- Yasuhiro Tauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having deformed roller determination
- Patent number 10,036,988
- Issue date Jul 31, 2018
- CANON FINETECH NISCA INC.
- Ikuyo Kuroiwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Discharging method for latent image bearer and image forming apparatus
- Patent number 9,971,269
- Issue date May 15, 2018
- Ricoh Company, Ltd.
- Ryouhei Ohi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stabilizing polymers to control passive leaking of functional mater...
- Patent number 9,811,020
- Issue date Nov 7, 2017
- Xerox Corporation
- Sarah J. Vella
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a blower to perform an operation...
- Patent number 9,791,828
- Issue date Oct 17, 2017
- Ricoh Company, Ltd.
- Hiromitsu Fujiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member, process cartridge, and electrophotographic image f...
- Patent number 9,632,446
- Issue date Apr 25, 2017
- Canon Kabushiki Kaisha
- Hidekazu Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device, image forming unit and image forming apparatus
- Patent number 9,280,078
- Issue date Mar 8, 2016
- Oki Data Corporation
- Toshimasa Higaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member, process cartridge and electrophotographic apparatus
- Patent number 9,256,153
- Issue date Feb 9, 2016
- Canon Kabushiki Kaisha
- Takehiko Aoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conductive roller and image forming apparatus having the same
- Patent number 9,188,898
- Issue date Nov 17, 2015
- Kyocera Document Solutions Inc.
- Kiyotaka Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device and image forming apparatus
- Patent number 9,176,414
- Issue date Nov 3, 2015
- Canon Kabushiki Kaisha
- Shun Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mechanism for electrifying, method of electrifying, and conductive...
- Patent number 9,110,396
- Issue date Aug 18, 2015
- Ricoh Company, Limited
- Minoru Toyoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic charger and image forming apparatus
- Patent number 9,052,630
- Issue date Jun 9, 2015
- Sharp Kabushiki Kaisha
- Hideaki Kadowaki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Image forming apparatus
- Patent number 9,052,629
- Issue date Jun 9, 2015
- Ricoh Company Ltd.
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conductive member evaluator and conductive member evaluation method
- Patent number 8,912,784
- Issue date Dec 16, 2014
- Ricoh Company, Ltd.
- Tadayuki Ohshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and methods for delivery of a functional material to an i...
- Patent number 8,805,241
- Issue date Aug 12, 2014
- Xerox Corporation
- Nan-Xing Hu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mechanism for electrifying, method of electrifying, and conductive...
- Patent number 8,682,199
- Issue date Mar 25, 2014
- Ricoh Company, Limited
- Minoru Toyoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and methods for altering charge on a dielectric material
- Patent number 8,605,406
- Issue date Dec 10, 2013
- 3M Innovative Properties Company
- Richard M. Jendrejack
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ion generating element, charging device and image forming apparatus
- Patent number 8,055,157
- Issue date Nov 8, 2011
- Sharp Kabushiki Kaisha
- Katsumi Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and methods for suppressing photoreceptor image ghost
- Patent number 8,032,059
- Issue date Oct 4, 2011
- Xerox Corporation
- Richard Klenkler
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device and image forming device using same
- Patent number 7,970,318
- Issue date Jun 28, 2011
- Sharp Kabushiki Kaisha
- Tadashi Iwamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a pre-exposure light control feature
- Patent number 7,844,200
- Issue date Nov 30, 2010
- Canon Kabushiki Kaisha
- Ryosuke Kanai
- 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
Interference fit sleeved foam charge rolls and composite materials
- Patent number 7,680,439
- Issue date Mar 16, 2010
- Lexmark International, Inc.
- Donald Leo Elbert
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Image forming apparatus
- Patent number 7,620,335
- Issue date Nov 17, 2009
- Brother Kogyo Kabushiki Kaisha
- Katsumi Inukai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conductive member, and charging roller, process cartridge and image...
- Patent number 7,603,062
- Issue date Oct 13, 2009
- Ricoh Company, Ltd.
- Eiji Shimojo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
SOLID FOG DEVELOPMENT FOR DIGITAL OFFSET PRINTING APPLICATIONS
- Publication number 20220227118
- Publication date Jul 21, 2022
- Palo Alto Research Center Incorporated
- David K. BIEGELSEN
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOSENSITIVE IMAGING SURFACES
- Publication number 20210232057
- Publication date Jul 29, 2021
- Hewlett-Packard Development Company, L.P.
- Roy Kaner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POSITIVELY CHARGEABLE TONER AND TWO-COMPONENT DEVELOPER
- Publication number 20190086826
- Publication date Mar 21, 2019
- KYOCERA DOCUMENT SOLUTIONS INC.
- Ryotaro KOMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET-CONVEYING DEVICE, IMAGE-FORMING APPARATUS, AND IMAGE-READING...
- Publication number 20190064722
- Publication date Feb 28, 2019
- Canon Kabushiki Kaisha
- Atsushi Ogata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET CONVEYING DEVICE, IMAGE FORMING APPARATUS INCORPORATING THE S...
- Publication number 20180241896
- Publication date Aug 23, 2018
- RICOH COMPANY, LTD.
- Takeshi WATANABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20180149993
- Publication date May 31, 2018
- Canon Kabushiki Kaisha
- Shuichi Tetsuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20180136601
- Publication date May 17, 2018
- KYOCERA DOCUMENT SOLUTIONS INC.
- Yasuhiro Tauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DISCHARGING METHOD FOR LATENT IMAGE BEARER AND IMAGE FORMING APPARATUS
- Publication number 20170336729
- Publication date Nov 23, 2017
- RICOH COMPANY, LTD.
- Ryouhei Ohi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160342135
- Publication date Nov 24, 2016
- RICOH COMPANY, LTD.
- Hiromitsu Fujiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS
- Publication number 20150301469
- Publication date Oct 22, 2015
- Canon Kabushiki Kaisha
- Takehiko Aoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20150016843
- Publication date Jan 15, 2015
- Canon Kabushiki Kaisha
- Shuhei Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150003873
- Publication date Jan 1, 2015
- Canon Kabushiki Kaisha
- Shun Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE F...
- Publication number 20140274628
- Publication date Sep 18, 2014
- Canon Kabushiki Kaisha
- Hidekazu Matsuda
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Stabilizing Polymers to Control Passive Leaking of Functional Mater...
- Publication number 20140249005
- Publication date Sep 4, 2014
- Xerox Corporation
- Sara J. Vella
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MECHANISM FOR ELECTRIFYING, METHOD OF ELECTRIFYING, AND CONDUCTIVE...
- Publication number 20140133884
- Publication date May 15, 2014
- RICOH COMPANY, LIMITED
- Minoru Toyoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140064751
- Publication date Mar 6, 2014
- CANON FINETECH INC.
- IKUYO KUROIWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
- Publication number 20130251403
- Publication date Sep 26, 2013
- Canon Kabushiki Kaisha
- Hidekazu Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DISCHARGE WIRE ANCHORING MECHANISM, CHARGER USING SAME, AND IMAGE F...
- Publication number 20130243486
- Publication date Sep 19, 2013
- Toshiya SATOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130071163
- Publication date Mar 21, 2013
- RICOH COMPANY, LTD.
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROSTATIC CHARGER AND IMAGE FORMING APPARATUS
- Publication number 20130071142
- Publication date Mar 21, 2013
- Sharp Kabushiki Kaisha
- Hideaki Kadowaki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
APPARATUS AND METHODS FOR DELIVERY OF A FUNCTIONAL MATERIAL TO AN I...
- Publication number 20130028636
- Publication date Jan 31, 2013
- Xerox Corporation
- Nan-Xing Hu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CONDUCTIVE MEMBER EVALUATOR AND CONDUCTIVE MEMBER EVALUATION METHOD
- Publication number 20120062208
- Publication date Mar 15, 2012
- RICOH COMPANY, LTD.
- Tadayuki OHSHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS AND METHODS FOR ALTERING CHARGE ON A DIELECTRIC MATERIAL
- Publication number 20110192977
- Publication date Aug 11, 2011
- Richard M. Jendrejack
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Mechanism for electrifying, method of electrifying, and conductive...
- Publication number 20110103837
- Publication date May 5, 2011
- Ricoh Company, Limited
- Minoru Toyoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING DEVICE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS INC...
- Publication number 20110058852
- Publication date Mar 10, 2011
- Samsung Electronics Co., Ltd.
- Hee-moon Jeong
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS AND METHODS FOR SUPPRESSING PHOTORECEPTOR IMAGE GHOST
- Publication number 20100221044
- Publication date Sep 2, 2010
- Xerox Corporation
- Richard Klenkler
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ION GENERATING ELEMENT, CHARGING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20090220279
- Publication date Sep 3, 2009
- Katsumi ADACHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging Device and Image Forming Device Using Same
- Publication number 20090041501
- Publication date Feb 12, 2009
- SHARP KABUSHIKI KAISHA
- Tadashi Iwamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090022517
- Publication date Jan 22, 2009
- Canon Kabushiki Kaisha
- Ryosuke Kanai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Interference Fit Sleeved Foam Charge Rolls and Composite Materials
- Publication number 20080145591
- Publication date Jun 19, 2008
- Donald Leo Elbert
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

by contact, friction or induction

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Solid fog development for digital offset printing applications

Sheet-conveying device, image-forming apparatus, and image-reading...

Sheet conveying device, image forming apparatus incorporating the s...

Positively chargeable toner and two-component developer

Image forming apparatus that prevents toner charged with polarity o...

Image forming apparatus having a seal member which is disposed at a...

Image forming apparatus having deformed roller determination

Discharging method for latent image bearer and image forming apparatus

Stabilizing polymers to control passive leaking of functional mater...

Image forming apparatus including a blower to perform an operation...

Charging member, process cartridge, and electrophotographic image f...

Charging device, image forming unit and image forming apparatus

Charging member, process cartridge and electrophotographic apparatus

Conductive roller and image forming apparatus having the same

Charging device and image forming apparatus

Mechanism for electrifying, method of electrifying, and conductive...

Electrostatic charger and image forming apparatus

Image forming apparatus

Conductive member evaluator and conductive member evaluation method

Apparatus and methods for delivery of a functional material to an i...

Mechanism for electrifying, method of electrifying, and conductive...

Apparatus and methods for altering charge on a dielectric material

Ion generating element, charging device and image forming apparatus

Apparatus and methods for suppressing photoreceptor image ghost

Charging device and image forming device using same

Image forming apparatus with a pre-exposure light control feature

Corona charger having two charging regions

Interference fit sleeved foam charge rolls and composite materials

Image forming apparatus

Conductive member, and charging roller, process cartridge and image...

Patents Applicationslast 30 patents

SOLID FOG DEVELOPMENT FOR DIGITAL OFFSET PRINTING APPLICATIONS

PHOTOSENSITIVE IMAGING SURFACES

POSITIVELY CHARGEABLE TONER AND TWO-COMPONENT DEVELOPER

SHEET-CONVEYING DEVICE, IMAGE-FORMING APPARATUS, AND IMAGE-READING...

SHEET CONVEYING DEVICE, IMAGE FORMING APPARATUS INCORPORATING THE S...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DISCHARGING METHOD FOR LATENT IMAGE BEARER AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

CHARGING MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

CHARGING DEVICE AND IMAGE FORMING APPARATUS

CHARGING MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE F...

Stabilizing Polymers to Control Passive Leaking of Functional Mater...

MECHANISM FOR ELECTRIFYING, METHOD OF ELECTRIFYING, AND CONDUCTIVE...

IMAGE FORMING APPARATUS

CHARGING MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS

DISCHARGE WIRE ANCHORING MECHANISM, CHARGER USING SAME, AND IMAGE F...

IMAGE FORMING APPARATUS

ELECTROSTATIC CHARGER AND IMAGE FORMING APPARATUS

APPARATUS AND METHODS FOR DELIVERY OF A FUNCTIONAL MATERIAL TO AN I...

CONDUCTIVE MEMBER EVALUATOR AND CONDUCTIVE MEMBER EVALUATION METHOD

APPARATUS AND METHODS FOR ALTERING CHARGE ON A DIELECTRIC MATERIAL

Mechanism for electrifying, method of electrifying, and conductive...

CHARGING DEVICE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS INC...

APPARATUS AND METHODS FOR SUPPRESSING PHOTORECEPTOR IMAGE GHOST

ION GENERATING ELEMENT, CHARGING DEVICE AND IMAGE FORMING APPARATUS

Charging Device and Image Forming Device Using Same

IMAGE FORMING APPARATUS

Interference Fit Sleeved Foam Charge Rolls and Composite Materials