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PHYSICS
G03
Photography
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ELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY
G03G13/00
Electrographic processes using a charge pattern
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G03G13/02
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus in which wiring pattern for withstand volta...
Patent number
11,121,578
Issue date
Sep 14, 2021
Canon Kabushiki Kaisha
Hironobu Teramoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Image forming apparatus having a density detecting unit
Patent number
10,884,369
Issue date
Jan 5, 2021
Fuji Xerox Co., Ltd.
Yuma Motegi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Programmable charge storage arrays and associated manufacturing dev...
Patent number
10,689,754
Issue date
Jun 23, 2020
Peter C. Salmon
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Charging unit
Patent number
9,632,444
Issue date
Apr 25, 2017
Fuji Xerox Co., Ltd.
Mikio Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for bias member charging a photoreceptor
Patent number
8,873,997
Issue date
Oct 28, 2014
Xerox Corporation
Yu Liu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method to set the print quality in an electrophotographic printer
Patent number
8,849,136
Issue date
Sep 30, 2014
Océ Printing GmbH & Co. KG
Heiner Reihl
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,805,230
Issue date
Aug 12, 2014
Sharp Kabushiki Kaisha
Norihide Momose
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and apparatus
Patent number
6,667,141
Issue date
Dec 23, 2003
Ricoh Company, Ltd.
Yasuaki Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus including diamond-like or amorphous structu...
Patent number
6,654,579
Issue date
Nov 25, 2003
Ricoh Company, Ltd.
Masahiko Shakuto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having a diamond-like structure surface pro...
Patent number
6,625,409
Issue date
Sep 23, 2003
Ricoh Company, Ltd.
Masahiko Shakuto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, and process cartridge an...
Patent number
6,434,351
Issue date
Aug 13, 2002
Canon Kabushiki Kaisha
Yosuke Morikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus including preselected range between charge...
Patent number
6,366,751
Issue date
Apr 2, 2002
Ricoh Company, Ltd.
Masahiko Shakuto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, and process cartridge an...
Patent number
6,324,365
Issue date
Nov 27, 2001
Canon Kabushiki Kaisha
Yosuke Morikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging apparatus which stores electrically conductive particles i...
Patent number
6,298,205
Issue date
Oct 2, 2001
Canon Kabushiki Kaisha
Yasunori Chigono
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and image forming apparatus
Patent number
6,294,305
Issue date
Sep 25, 2001
Canon Kabushiki Kaisha
Yoshiaki Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic apparatus and process cartridge
Patent number
6,289,190
Issue date
Sep 11, 2001
Canon Kabushiki Kaisha
Shoji Amamiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus using magnetic brush charging method and tw...
Patent number
6,282,391
Issue date
Aug 28, 2001
Canon Kabushiki Kaisha
Atsushi Takeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for producing lithographic printing plate
Patent number
6,207,332
Issue date
Mar 27, 2001
Fuji Photo Film Co., Ltd.
Takao Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus which supplies image bearing member with el...
Patent number
6,173,144
Issue date
Jan 9, 2001
Canon Kabushiki Kaisha
Jun Hirabayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Contact charger having charging performance enhancing particles exi...
Patent number
6,163,671
Issue date
Dec 19, 2000
Canon Kabushiki Kaisha
Harumi Ishiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging device, charging method, process cartridge and image formi...
Patent number
6,081,681
Issue date
Jun 27, 2000
Canon Kabushiki Kaisha
Yukio Nagase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Production process of lithographic printing plate
Patent number
6,022,654
Issue date
Feb 8, 2000
Fuji Photo Film Co., Ltd.
Takao Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method
Patent number
5,994,019
Issue date
Nov 30, 1999
Canon Kabushiki Kaisha
Kenji Okado
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of producing lithographic printing plate
Patent number
5,950,541
Issue date
Sep 14, 1999
Fuji Photo Film Co., Ltd.
Takao Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Granular charging agent and charging method and image forming metho...
Patent number
5,952,101
Issue date
Sep 14, 1999
Kyocera Corporation
Yasuo Nishiguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic apparatus and process cartridge
Patent number
5,875,375
Issue date
Feb 23, 1999
Canon Kabushiki Kaisha
Hiroyuki Ohmori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Images forming apparatus and developer for developing electrostatic...
Patent number
5,802,428
Issue date
Sep 1, 1998
Canon Kabushiki Kaisha
Manabu Ohno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Ionographic charging apparatus and processes
Patent number
5,777,651
Issue date
Jul 7, 1998
Xerox Corporation
John S. Facci
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic apparatus and process cartridge
Patent number
5,729,801
Issue date
Mar 17, 1998
Canon Kabushiki Kaisha
Akio Maruyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS HAVING A DENSITY DETECTING UNIT
Publication number
20200096926
Publication date
Mar 26, 2020
FUJI XEROX CO., LTD
Yuma MOTEGI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING UNIT
Publication number
20170090326
Publication date
Mar 30, 2017
FUJI XEROX CO., LTD
Mikio YAMAGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD TO SET THE PRINT QUALITY IN AN ELECTROPHOTOGRAPHIC PRINTER
Publication number
20140226996
Publication date
Aug 14, 2014
Heiner Reihl
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD FOR BIAS MEMBER CHARGING A PHOTORECEPTOR
Publication number
20140147163
Publication date
May 29, 2014
Xerox Corporation
Yu Liu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING MEMBER, ELECTROPHOTOGRAPHIC PROCESS CARTRIDGE, AND ELECTR...
Publication number
20130223886
Publication date
Aug 29, 2013
Canon Kabushiki Kaisha
Noboru Miyagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20130129369
Publication date
May 23, 2013
Sharp Kabushiki Kaisha
Norihide MOMOSE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20030063923
Publication date
Apr 3, 2003
Kei Yasutomi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus having a diamond-like structure surface pro...
Publication number
20030049050
Publication date
Mar 13, 2003
Masahiko Shakuto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming method and apparatus
Publication number
20020155368
Publication date
Oct 24, 2002
Yasuaki Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image-forming apparatus and image-forming method
Publication number
20020141783
Publication date
Oct 3, 2002
Canon Kabushiki Kaishi
Harumi Ishiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20020090229
Publication date
Jul 11, 2002
Masahiko Shakuto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20020081128
Publication date
Jun 27, 2002
Masahiko Shakuto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photosensitive member, and process cartridge an...
Publication number
20010051060
Publication date
Dec 13, 2001
Yosuke Morikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY