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Hiroshi Mayuzumi
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Charging member, process cartridge and electrophotographic apparatus
Patent number
10,078,286
Issue date
Sep 18, 2018
Canon Kabushiki Kaisha
Kineo Takeno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging member, process cartridge, and electrophotographic image f...
Patent number
10,036,971
Issue date
Jul 31, 2018
Canon Kabushiki Kaisha
Noriyuki Doi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic member, process cartridge and electrophotograph...
Patent number
8,971,766
Issue date
Mar 3, 2015
Canon Kabushiki Kaisha
Tomohito Taniguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging member, process cartridge, and electrophotographic apparatus
Patent number
8,383,234
Issue date
Feb 26, 2013
Canon Kabushiki Kaisha
Hiroshi Mayuzumi
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Charging member, process cartridge, and electrophotographic apparatus
Patent number
8,277,947
Issue date
Oct 2, 2012
Canon Kabushiki Kaisha
Hiroshi Mayuzumi
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Charging member, process cartridge, and electrophotographic apparatus
Patent number
8,227,087
Issue date
Jul 24, 2012
Canon Kabushiki Kaisha
Hiroshi Mayuzumi
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Charging member including a conductive support and surface layer ha...
Patent number
7,869,741
Issue date
Jan 11, 2011
Canon Kabushiki Kaisha
Hiroshi Mayuzumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cellular conductive roller with conductive powder filling open cell...
Patent number
6,023,597
Issue date
Feb 8, 2000
Canon Kabushiki Kaisha
Hiroshi Mayuzumi
B08 - CLEANING
Information
Patent Grant
Charging member and electrophotographic apparatus using the same
Patent number
6,001,454
Issue date
Dec 14, 1999
Canon Kabushiki Kaisha
Jun Murata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
White electroconductive coating composition and transfer material-c...
Patent number
5,824,408
Issue date
Oct 20, 1998
Canon Kabushiki Kaisha
Akiya Kume
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging member and image-forming unit having the same
Patent number
5,819,142
Issue date
Oct 6, 1998
Canon Kaubshiki Kaisha
Jun Murata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
CHARGING MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20160299450
Publication date
Oct 13, 2016
Canon Kabushiki Kaisha
Kineo Takeno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE F...
Publication number
20150331348
Publication date
Nov 19, 2015
Canon Kabushiki Kaisha
Noriyuki Doi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ELECTROPHOTOGRAPHIC MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPH...
Publication number
20130266338
Publication date
Oct 10, 2013
Tomohito Taniguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20120141162
Publication date
Jun 7, 2012
Canon Kabushiki Kaisha
Hiroshi Mayuzumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20120076924
Publication date
Mar 29, 2012
Canon Kabushiki Kaisha
Hiroshi Mayuzumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20110044725
Publication date
Feb 24, 2011
Canon Kabushiki Kaisha
Hiroshi Mayuzumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20100226684
Publication date
Sep 9, 2010
Canon Kabushiki Kaisha
Hiroshi Mayuzumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20100135695
Publication date
Jun 3, 2010
Canon Kabushiki Kaisha
Hiroshi Mayuzumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY