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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus having development apparatus including shee...
Patent number
11,662,671
Issue date
May 30, 2023
Canon Kabushiki Kaisha
Yoshiro Tsukada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing apparatus having multi-blade portion replenishment conve...
Patent number
11,599,043
Issue date
Mar 7, 2023
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device having magnetic flux density distribution
Patent number
10,705,452
Issue date
Jul 7, 2020
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
10,274,880
Issue date
Apr 30, 2019
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing apparatus and image forming apparatus
Patent number
10,261,442
Issue date
Apr 16, 2019
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing apparatus having developer guiding portions
Patent number
10,007,212
Issue date
Jun 26, 2018
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus
Patent number
9,213,259
Issue date
Dec 15, 2015
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus
Patent number
8,909,104
Issue date
Dec 9, 2014
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,688,014
Issue date
Apr 1, 2014
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device
Patent number
7,957,681
Issue date
Jun 7, 2011
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development device and image forming apparatus
Patent number
7,885,583
Issue date
Feb 8, 2011
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
7,593,669
Issue date
Sep 22, 2009
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
DEVELOPING APPARATUS
Publication number
20220155709
Publication date
May 19, 2022
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20220100122
Publication date
Mar 31, 2022
Canon Kabushiki Kaisha
Yoshiro Tsukada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE
Publication number
20190250531
Publication date
Aug 15, 2019
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS
Publication number
20180284650
Publication date
Oct 4, 2018
Canon Kabushiki Kaisha
Koji Shigehiro
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20180107143
Publication date
Apr 19, 2018
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20180017892
Publication date
Jan 18, 2018
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING APPARATUS
Publication number
20170146927
Publication date
May 25, 2017
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20150220017
Publication date
Aug 6, 2015
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20130177339
Publication date
Jul 11, 2013
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20120230707
Publication date
Sep 13, 2012
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE
Publication number
20100247164
Publication date
Sep 30, 2010
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS
Publication number
20090016778
Publication date
Jan 15, 2009
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20080069590
Publication date
Mar 20, 2008
Canon Kabushiki Kaisha
Koji Shigehiro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY