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G03G15/0829
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ELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY
G03G15/00
Apparatus for electrographic processes using a charge pattern
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G03G15/0829
the concentration being measured by magnetic means
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus having removable developing units
Patent number
10,054,872
Issue date
Aug 21, 2018
Canon Kabushiki Kaisha
Osamu Ariizumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sensor, method of detecting magnetic substance, and image forming a...
Patent number
9,709,920
Issue date
Jul 18, 2017
Kyocera Document Solutions Inc.
Yukihiro Aikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Differential transformer magnetic permeability sensor
Patent number
9,632,453
Issue date
Apr 25, 2017
Kyocera Document Solutions Inc.
Yukihiro Aikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with forced supply mode for forcedly supply...
Patent number
9,557,683
Issue date
Jan 31, 2017
Canon Kabushiki Kaisha
Fumiyoshi Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus that performs developer replenishment
Patent number
9,523,954
Issue date
Dec 20, 2016
Canon Kabushiki Kaisha
Kana Oshima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic permeability detector, developing device, image forming ap...
Patent number
9,507,291
Issue date
Nov 29, 2016
Ricoh Company, Ltd.
Tetsuro Hirota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic permeability detector, developing device, image forming ap...
Patent number
9,507,290
Issue date
Nov 29, 2016
Ricoh Company, Ltd.
Tetsuro Hirota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sensor device, toner concentration detection method and image formi...
Patent number
9,500,982
Issue date
Nov 22, 2016
Kyocera Document Solutions Inc.
Masami Mashiki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
9,500,983
Issue date
Nov 22, 2016
Ricoh Company, Ltd.
Kayoko Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Differential transformer type magnetic sensor and image forming app...
Patent number
9,453,816
Issue date
Sep 27, 2016
Kyocera Document Solutions Inc.
Masashi Morimoto
G01 - MEASURING TESTING
Information
Patent Grant
Image forming apparatus supplying toner based on toner density of d...
Patent number
9,377,740
Issue date
Jun 28, 2016
Canon Kabushiki Kaisha
Fumiyoshi Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner level sensing using rotatable magnets having varying angular...
Patent number
9,335,656
Issue date
May 10, 2016
Lexmark International, Inc.
Brian Scott Carpenter
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus to which toner container capable of contain...
Patent number
9,329,528
Issue date
May 3, 2016
Kyocera Document Solutions Inc.
Tatsuo Noda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus that performs gradation correction
Patent number
9,223,278
Issue date
Dec 29, 2015
Canon Kabushiki Kaisha
Motohiro Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus for deciding a magnetic toner amount on the...
Patent number
9,014,583
Issue date
Apr 21, 2015
Kyocera Document Solutions Inc.
Yukihiro Aikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming device and method of adjusting density of formed image
Patent number
8,837,959
Issue date
Sep 16, 2014
Samsung Electronics Co., Ltd.
Tatsuhiro Otsuka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS AND DEVELOPING DEVICE
Publication number
20190004465
Publication date
Jan 3, 2019
FUJI XEROX CO., LTD
Yoshitaka NAKAJIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20180253033
Publication date
Sep 6, 2018
KYOCERA DOCUMENT SOLUTIONS INC.
Masashi FUJISHIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING APPARATUS
Publication number
20180059606
Publication date
Mar 1, 2018
Canon Kabushiki Kaisha
Naoki Mugita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE
Publication number
20170343926
Publication date
Nov 30, 2017
Canon Kabushiki Kaisha
Toshihisa Yago
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20170255125
Publication date
Sep 7, 2017
Canon Kabushiki Kaisha
Osamu Ariizumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SENSOR, METHOD OF DETECTING MAGNETIC SUBSTANCE, AND IMAGE FORMING A...
Publication number
20160282306
Publication date
Sep 29, 2016
KYOCERA DOCUMENT SOLUTIONS INC.
Yukihiro AIKAWA
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC PERMEABILITY DETECTOR, DEVELOPING DEVICE, IMAGE FORMING AP...
Publication number
20160041495
Publication date
Feb 11, 2016
Tetsuro HIROTA
G01 - MEASURING TESTING
Information
Patent Application
Toner Level Sensing Using Rotatable Magnets Having Varying Angular...
Publication number
20150346632
Publication date
Dec 3, 2015
Brian Scott Carpenter
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DIFFERENTIAL TRANSFORMER MAGNETIC PERMEABILITY SENSOR
Publication number
20150277280
Publication date
Oct 1, 2015
KYOCERA DOCUMENT SOLUTIONS INC.
Yukihiro AIKAWA
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC PERMEABILITY DETECTOR, DEVELOPING DEVICE, IMAGE FORMING AP...
Publication number
20140312886
Publication date
Oct 23, 2014
Tetsuro HIROTA
G01 - MEASURING TESTING
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20140270818
Publication date
Sep 18, 2014
Kayoko TANAKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20140255052
Publication date
Sep 11, 2014
Canon Kabushiki Kaisha
Motohiro Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DIFFERENTIAL TRANSFORMER TYPE MAGNETIC SENSOR AND IMAGE FORMING APP...
Publication number
20140103910
Publication date
Apr 17, 2014
KYOCERA DOCUMENT SOLUTIONS INC.
Masashi Morimoto
G01 - MEASURING TESTING
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20140099134
Publication date
Apr 10, 2014
KYOCERA DOCUMENT SOLUTIONS INC.
Yukihiro AIKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING DEVICE AND METHOD OF ADJUSTING DENSITY OF FORMED IMAGE
Publication number
20110182605
Publication date
Jul 28, 2011
Samsung Electronics Co., Ltd.
Tatsuhiro OTSUKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY