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Keizo Takura
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Abiko-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus
Patent number
11,265,424
Issue date
Mar 1, 2022
Canon Kabushiki Kaisha
Keizo Takura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus that generates conversion condition of a me...
Patent number
9,910,394
Issue date
Mar 6, 2018
Canon Kabushiki Kaisha
Takahiro Nakase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus generating conversion condition of measurem...
Patent number
9,549,098
Issue date
Jan 17, 2017
Canon Kabushiki Kaisha
Hayato Negishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
9,239,537
Issue date
Jan 19, 2016
Canon Kabushiki Kaisha
Keizo Takura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,401,410
Issue date
Mar 19, 2013
Canon Kabushiki Kaisha
Keizo Takura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus supplying toner efficiently to cleaning mea...
Patent number
7,103,295
Issue date
Sep 5, 2006
Canon Kabushiki Kaisha
Keizo Takura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image processing device and image processing method
Patent number
6,947,170
Issue date
Sep 20, 2005
Canon Kabushiki Kaisha
Keizo Takura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image processing device and image processing method
Patent number
6,674,551
Issue date
Jan 6, 2004
Canon Kabushiki Kaisha
Keizo Takura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image forming apparatus having a charging member with plural chargi...
Patent number
5,991,557
Issue date
Nov 23, 1999
Canon Kabushiki Kaisha
Tsuyoshi Kunishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device having a residual toner amount discrimination fea...
Patent number
5,790,917
Issue date
Aug 4, 1998
Canon Kabushiki Kaisha
Keizo Takura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with AC current controlled contact charging
Patent number
5,717,979
Issue date
Feb 10, 1998
Canon Kabushiki Kaisha
Hisaaki Senba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20200329158
Publication date
Oct 15, 2020
Canon Kabushiki Kaisha
Keizo Takura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS GENERATING CONVERSION CONDITION OF MEASUREM...
Publication number
20160286091
Publication date
Sep 29, 2016
Canon Kabushiki Kaisha
Hayato Negishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE FORMING APPARATUS THAT GENERATES CONVERSION CONDITION OF A ME...
Publication number
20160282780
Publication date
Sep 29, 2016
Canon Kabushiki Kaisha
Takahiro Nakase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20150241812
Publication date
Aug 27, 2015
Canon Kabushiki Kaisha
Keizo TAKURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20090317149
Publication date
Dec 24, 2009
Canon Kabushiki Kaisha
Keizo Takura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus supplying toner efficiently to cleaning mea...
Publication number
20050089342
Publication date
Apr 28, 2005
Canon Kabushiki Kaisha
Keizo Takura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image processing device and image processing method
Publication number
20040046974
Publication date
Mar 11, 2004
Canon Kabushiki Kaisha
Keizo Takura
G06 - COMPUTING CALCULATING COUNTING