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Masahiro Hayakawa
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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus and developer replenishment thereof
Patent number
11,874,612
Issue date
Jan 16, 2024
Canon Kabushiki Kaisha
Nobuyuki Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and developer replenishment thereof
Patent number
11,269,266
Issue date
Mar 8, 2022
Canon Kabushiki Kaisha
Nobuyuki Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus in which the light irradiated on a non-imag...
Patent number
9,041,757
Issue date
May 26, 2015
Canon Kabushiki Kaisha
Masahiro Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,934,798
Issue date
Jan 13, 2015
Canon Kabushiki Kaisha
Masahiro Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,635,474
Issue date
Jan 21, 2014
Canon Kabushiki Kaisha
Masahiro Hayakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus and control method of image forming apparatus
Patent number
7,817,948
Issue date
Oct 19, 2010
Canon Kabushiki Kaisha
Masahiro Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and control method of image forming apparatus
Patent number
7,609,987
Issue date
Oct 27, 2009
Canon Kabushiki Kaisha
Masahiro Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Humidity measuring apparatus and image forming apparatus
Patent number
7,597,001
Issue date
Oct 6, 2009
Canon Kabushiki Kaisha
Masahiro Hayakawa
G01 - MEASURING TESTING
Information
Patent Grant
Image forming apparatus having improved position aberration detection
Patent number
6,603,495
Issue date
Aug 5, 2003
Canon Kabushiki Kaisha
Masahiro Hayakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS AND DEVELOPER REPLENISHMENT THEREOF
Publication number
20240061359
Publication date
Feb 22, 2024
Canon Kabushiki Kaisha
NOBUYUKI KOBAYASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND DEVELOPER REPLENISHMENT THEREOF
Publication number
20220155705
Publication date
May 19, 2022
Canon Kabushiki Kaisha
Nobuyuki Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND DEVELOPER REPLENISHMENT CONTAINER
Publication number
20210041803
Publication date
Feb 11, 2021
Canon Kabushiki Kaisha
Nobuyuki Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20140072318
Publication date
Mar 13, 2014
Canon Kabushiki Kaisha
Masahiro Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20130328992
Publication date
Dec 12, 2013
Masahiro Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DC/DC CONVERTER AND IMAGE FORMING APPARATUS INCLUDING THE SAME
Publication number
20130272742
Publication date
Oct 17, 2013
Canon Kabushiki Kaisha
Shinichiro Matsumoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20110126036
Publication date
May 26, 2011
Canon Kabushiki Kaisha
Masahiro Hayakawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE FORMING APPARATUS AND CONTROL METHOD OF IMAGE FORMING APPARATUS
Publication number
20100074658
Publication date
Mar 25, 2010
Canon Kabushiki Kaisha
Masahiro Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
HUMIDITY MEASURING APPARATUS AND IMAGE FORMING APPARATUS
Publication number
20070186650
Publication date
Aug 16, 2007
Canon Kabushiki Kaisha
Masahiro Hayakawa
G01 - MEASURING TESTING
Information
Patent Application
Image forming apparatus and control method of image forming apparatus
Publication number
20060263120
Publication date
Nov 23, 2006
Canon Kabushiki Kaisha
Masahiro Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20020054200
Publication date
May 9, 2002
Masahiro Hayakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE