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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image formation apparatus
Patent number
11,556,077
Issue date
Jan 17, 2023
Canon Kabushiki Kaisha
Tomoyuki Sakamaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
10,599,095
Issue date
Mar 24, 2020
Canon Kabushiki Kaisha
Kyosuke Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Particle adhesion preventing member, electric field forming member,...
Patent number
9,316,949
Issue date
Apr 19, 2016
Canon Kabushiki Kaisha
Hideki Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with developing contrast control
Patent number
9,274,482
Issue date
Mar 1, 2016
Canon Kabushiki Kaisha
Takahiro Nakase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with potential difference control
Patent number
8,655,210
Issue date
Feb 18, 2014
Canon Kabushiki Kaisha
Hideki Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner usage control between differing image regions
Patent number
8,068,769
Issue date
Nov 29, 2011
Canon Kabushiki Kaisha
Hideki Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner usage control between differing image regions
Patent number
7,672,616
Issue date
Mar 2, 2010
Canon Kabushiki Kaisha
Hideki Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing-carrying member, and developing apparatus and image form...
Patent number
6,795,675
Issue date
Sep 21, 2004
Canon Kabushiki Kaisha
Hideki Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus
Patent number
6,493,522
Issue date
Dec 10, 2002
Canon Kabushiki Kaisha
Hideki Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing apparatus with alternating bias voltage
Patent number
6,282,393
Issue date
Aug 28, 2001
Canon Kabushiki Kaisha
Hideki Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having detection means to maintain image fo...
Patent number
5,697,010
Issue date
Dec 9, 1997
Canon Kabushiki Kaisha
Koji Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20250044734
Publication date
Feb 6, 2025
Canon Kabushiki Kaisha
HIDEKI FUJITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMATION APPARATUS
Publication number
20220260947
Publication date
Aug 18, 2022
Canon Kabushiki Kaisha
Tomoyuki Sakamaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20190011877
Publication date
Jan 10, 2019
Canon Kabushiki Kaisha
Kyosuke Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PARTICLE ADHESION PREVENTING MEMBER, ELECTRIC FIELD FORMING MEMBER,...
Publication number
20140140721
Publication date
May 22, 2014
Canon Kabushiki Kaisha
Hideki Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20130322901
Publication date
Dec 5, 2013
Canon Kabushiki Kaisha
Takahiro Nakase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20100183324
Publication date
Jul 22, 2010
Canon Kabushiki Kaisha
Hideki Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING SAME
Publication number
20100158552
Publication date
Jun 24, 2010
Canon Kabushiki Kaisha
Hideki Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING SAME
Publication number
20080050136
Publication date
Feb 28, 2008
Canon Kabushiki Kaisha
Hideki Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing-carrying member, and developing apparatus and image form...
Publication number
20020168201
Publication date
Nov 14, 2002
Canon Kabushiki Kaisha
Hideki Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing device and image forming apparatus
Publication number
20020037174
Publication date
Mar 28, 2002
Hideki Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY