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TETSUYA ATSUMI
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TOKYO, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus and image forming method for reducing toner...
Patent number
9,488,945
Issue date
Nov 8, 2016
Canon Kabushiki Kaisha
Tomohito Ishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Measuring apparatus, measuring method and image forming apparatus
Patent number
8,472,829
Issue date
Jun 25, 2013
Canon Kabushiki Kaisha
Tetsuya Atsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Measuring apparatus, measuring method and image forming apparatus
Patent number
8,213,820
Issue date
Jul 3, 2012
Canon Kabushiki Kaisha
Tetsuya Atsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus including image bearing member surface abra...
Patent number
8,200,104
Issue date
Jun 12, 2012
Canon Kabushiki Kaisha
Shingo Ito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image heating apparatus with temperature control in relation to gla...
Patent number
7,792,447
Issue date
Sep 7, 2010
Canon Kabushiki Kaisha
Masatsugu Toyonori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus which corrects charge potential on an image...
Patent number
7,751,737
Issue date
Jul 6, 2010
Canon Kabushiki Kaisha
Tomohito Ishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Semiconductor laser drive control device
Patent number
7,643,174
Issue date
Jan 5, 2010
Canon Kabushiki Kaisha
Tomohito Ishida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image forming apparatus and method featuring correction for compens...
Patent number
7,512,349
Issue date
Mar 31, 2009
Canon Kabushiki Kaisha
Isami Itoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus using system for cleaning image bearing member
Patent number
6,996,356
Issue date
Feb 7, 2006
Canon Kabushiki Kaisha
Tetsuya Atsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image processing apparatus and method
Patent number
6,535,302
Issue date
Mar 18, 2003
Canon Kabushiki Kaisha
Yuichi Ikeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus and method
Patent number
6,519,054
Issue date
Feb 11, 2003
Canon Kabushiki Kaisha
Yuichi Ikeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus for forming images, method of controlling the apparatus,...
Patent number
6,384,857
Issue date
May 7, 2002
Canon Kabushiki Kaisha
Nobuatsu Sasanuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image information processing apparatus and method
Patent number
6,320,605
Issue date
Nov 20, 2001
Canon Kabushiki Kaisha
Yuichi Ikeda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image processing apparatus and method
Patent number
6,184,915
Issue date
Feb 6, 2001
Canon Kabushiki Kaisha
Tetsuya Atsumi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming system and calibration method for image forming condi...
Patent number
6,172,771
Issue date
Jan 9, 2001
Canon Kabushiki Kaisha
Yuichi Ikeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus and method for improving image reproduci...
Patent number
6,091,512
Issue date
Jul 18, 2000
Canon Kabushiki Kaisha
Nobuatsu Sasanuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Tonality correction system
Patent number
6,057,946
Issue date
May 2, 2000
Canon Kabushiki Kaisha
Yuichi Ikeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming method and apparatus for counterfeit protection contr...
Patent number
5,696,594
Issue date
Dec 9, 1997
Canon Kabushiki Kaisha
Rie Saito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Charging system for charging the surface of a photosensitive drum i...
Patent number
5,585,907
Issue date
Dec 17, 1996
Canon Kabushiki Kaisha
Tetsuya Atsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
System for correcting image density of an image forming system base...
Patent number
5,583,644
Issue date
Dec 10, 1996
Canon Kabushiki Kaisha
Nobuatsu Sasanuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and apparatus for counterfeit protection using...
Patent number
5,557,412
Issue date
Sep 17, 1996
Canon Kabushiki Kaisha
Rie Saito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus for automatically setting image formation c...
Patent number
5,517,227
Issue date
May 14, 1996
Canon Kabushiki Kaisha
Tetsuya Atsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus for changing pre-processing condition of im...
Patent number
5,515,140
Issue date
May 7, 1996
Canon Kabushiki Kaisha
Tetsuya Atsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus including means for setting image forming c...
Patent number
5,383,055
Issue date
Jan 17, 1995
Canon Kabushiki Kaisha
Nobuatsu Sasanuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color image forming apparatus
Patent number
5,327,209
Issue date
Jul 5, 1994
Canon Kabushiki Kaisha
Nobuatsu Sasanuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographing apparatus for forming color image
Patent number
5,319,433
Issue date
Jun 7, 1994
Canon Kabushiki Kaisha
Hisashi Fukushima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and apparatus that maintains uniform image glo...
Patent number
5,285,246
Issue date
Feb 8, 1994
Canon Kabushiki Kaisha
Toshimitsu Danzuka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD FOR REDUCING TONER...
Publication number
20160062290
Publication date
Mar 3, 2016
Canon Kabushiki Kaisha
Tomohito Ishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20160011539
Publication date
Jan 14, 2016
Canon Kabushiki Kaisha
Tomohito Ishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20140270826
Publication date
Sep 18, 2014
Canon Kabushiki Kaisha
Kenta Kubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
MEASURING APPARATUS, MEASURING METHOD AND IMAGE FORMING APPARATUS
Publication number
20120243897
Publication date
Sep 27, 2012
Canon Kabushiki Kaisha
Tetsuya Atsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20100226673
Publication date
Sep 9, 2010
Canon Kabushiki Kaisha
Shingo Ito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
MEASURING APPARATUS, MEASURING METHOD AND IMAGE FORMING APPARATUS
Publication number
20100021196
Publication date
Jan 28, 2010
Canon Kabushiki Kaisha
Tetsuya Atsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE HEATING APPARATUS
Publication number
20090067869
Publication date
Mar 12, 2009
Canon Kabushiki Kaisha
Masatsugu Toyonori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20070160376
Publication date
Jul 12, 2007
Canon Kabushiki Kaisha
Tomohito ISHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Semiconductor laser drive control device
Publication number
20070024881
Publication date
Feb 1, 2007
Canon Kabushiki Kaisha
Tomohito Ishida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image forming apparatus and method
Publication number
20070025747
Publication date
Feb 1, 2007
Canon Kabushiki Kaisha
Isami Itoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus using system for cleaning image bearing member
Publication number
20040141769
Publication date
Jul 22, 2004
Canon Kabushiki Kaisha
Tetsuya Atsumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
APPARATUS FOR FORMING IMAGES, METHOD OF CONTROLLING THE APPARATUS,...
Publication number
20010043263
Publication date
Nov 22, 2001
NOBUATSU SASANUMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE