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Kazumi Yamauchi
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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus controlling surface potential of image bear...
Patent number
10,520,859
Issue date
Dec 31, 2019
Canon Kabushiki Kaisha
Katsuichi Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developing apparatus, process cartridge, appar...
Patent number
10,228,635
Issue date
Mar 12, 2019
Canon Kabushiki Kaisha
Masahito Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
9,857,724
Issue date
Jan 2, 2018
Canon Kabushiki Kaisha
Kazumi Yamauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developing apparatus, process cartridge, appar...
Patent number
9,857,730
Issue date
Jan 2, 2018
Canon Kabushiki Kaisha
Masahito Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, cartridge, and storing device mounted to t...
Patent number
7,639,956
Issue date
Dec 29, 2009
Canon Kabushiki Kaisha
Norihito Naito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus to which a cartridge having a memory medium...
Patent number
7,274,884
Issue date
Sep 25, 2007
Canon Kabushiki Kaisha
Kazumi Yamauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing apparatus including agitating member
Patent number
7,003,249
Issue date
Feb 21, 2006
Canon Kabushiki Kaisha
Hideaki Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing blade and device and process cartridge
Patent number
6,963,714
Issue date
Nov 8, 2005
Canon Kabushiki Kaisha
Yasunao Otomo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and method of sensing amount of remaining d...
Patent number
6,944,410
Issue date
Sep 13, 2005
Canon Kabushiki Kaisha
Norihito Naito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, cartridge, image forming system and storag...
Patent number
6,850,714
Issue date
Feb 1, 2005
Canon Kabushiki Kaisha
Kazushige Sakurai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic image forming apparatus and process cartridge
Patent number
6,674,975
Issue date
Jan 6, 2004
Canon Kabushiki Kaisha
Kazumi Yamauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic apparatus, process cartridge, and electrophotog...
Patent number
6,549,223
Issue date
Apr 15, 2003
Canon Kabushiki Kaisha
Kazumi Yamauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic apparatus
Patent number
6,529,221
Issue date
Mar 4, 2003
Canon Kabushiki Kaisha
Kazumi Yamauchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus, and a cartridge having a developer contain...
Patent number
6,459,861
Issue date
Oct 1, 2002
Canon Kabushiki Kaisha
Kazushige Sakurai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with an amount of use control feature and c...
Patent number
6,229,970
Issue date
May 8, 2001
Canon Kabushiki Kaisha
Tadashi Onimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, and a cartridge having a developer contain...
Patent number
5,923,917
Issue date
Jul 13, 1999
Canon Kabushiki Kaisha
Kazushige Sakurai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and process cartridge for image forming app...
Patent number
5,802,419
Issue date
Sep 1, 1998
Canon Kabushiki Kaisha
Kazushige Sakurai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Contact charger having an oscillating voltage for charging a photos...
Patent number
5,715,499
Issue date
Feb 3, 1998
Canon Kabushiki Kaisha
Michihito Yamazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING APPARATUS, PROCESS CARTRIDGE, APPAR...
Publication number
20180081300
Publication date
Mar 22, 2018
Canon Kabushiki Kaisha
Masahito Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20180011427
Publication date
Jan 11, 2018
Canon Kabushiki Kaisha
Katsuichi Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20170060018
Publication date
Mar 2, 2017
CANON KABUSHIKI KAISHA
Kazumi Yamauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING APPARATUS, PROCESS CARTRIDGE, APPAR...
Publication number
20160223950
Publication date
Aug 4, 2016
Canon Kabushiki Kaisha
Masahito Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus, cartridge, and storing device mounted to t...
Publication number
20060109491
Publication date
May 25, 2006
Canon Kabushiki Kaisha
Norihito Naito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing blade and device and process cartridge
Publication number
20040131393
Publication date
Jul 8, 2004
Canon Kabushiki Kaisha
Yasunao Otomo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus, cartridge, image formation system, and sto...
Publication number
20040131370
Publication date
Jul 8, 2004
Canon Kabushiki Kaisha
Kazumi Yamauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and method of sensing amount of remaining d...
Publication number
20040105690
Publication date
Jun 3, 2004
Canon Kabushiki Kaisha
Norihito Naito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing apparatus including agitating member
Publication number
20040096241
Publication date
May 20, 2004
Canon Kabushiki Kaisha
Hideaki Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic apparatus, process cartridge, and electrophotog...
Publication number
20020126196
Publication date
Sep 12, 2002
Kazumi Yamauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic image forming apparatus and process cartridge
Publication number
20020057916
Publication date
May 16, 2002
Kazumi Yamauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic apparatus
Publication number
20020030726
Publication date
Mar 14, 2002
Kazumi Yamauchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image forming apparatus, cartridge, image forming system and storag...
Publication number
20020025176
Publication date
Feb 28, 2002
Kazushige Sakurai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY