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PHYSICS
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Photography
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ELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY
G03G13/00
Electrographic processes using a charge pattern
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G03G13/06
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus
Patent number
12,032,319
Issue date
Jul 9, 2024
Canon Kabushiki Kaisha
Yoji Misao
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus
Patent number
11,353,804
Issue date
Jun 7, 2022
Canon Kabushiki Kaisha
Yoji Misao
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electrophotographic photoreceptor, manufacturing method of electrop...
Patent number
11,175,599
Issue date
Nov 16, 2021
Canon Kabushiki Kaisha
Masaki Nonaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Carrier core material and electrophotographic development carrier u...
Patent number
10,698,330
Issue date
Jun 30, 2020
Dowa Electronics Materials Co., Ltd.
Yuki Kitahara
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Image forming device and control method for generating a plurality...
Patent number
10,289,035
Issue date
May 14, 2019
S. Printing Solution Co., Ltd.
Jongchoon Kim
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, and image forming method, process cartridge, and image formi...
Patent number
9,709,912
Issue date
Jul 18, 2017
Ricoh Company, Ltd.
Kazuoki Fuwa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic latent image developing toner, production method of t...
Patent number
9,213,249
Issue date
Dec 15, 2015
Konica Minolta, Inc.
Futoshi Kadonome
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus and method for thermally processing an imaging material e...
Patent number
9,195,185
Issue date
Nov 24, 2015
Carestream Health, Inc.
Kent R. Struble
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
9,146,498
Issue date
Sep 29, 2015
Ricoh Company, Ltd.
Makoto Komatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus that adjusts density of toner image based o...
Patent number
9,104,160
Issue date
Aug 11, 2015
Kyocera Document Solutions Inc.
Takefumi Yotsutsuji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, developer using the carrier, and developing device, image...
Patent number
9,029,061
Issue date
May 12, 2015
Ricoh Company, Limited
Koichi Sakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
9,008,525
Issue date
Apr 14, 2015
Kabushiki Kaisha Toshiba
Ryota Kashiwagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method with renewal of toner residual amount
Patent number
8,027,598
Issue date
Sep 27, 2011
Kabushiki Kaisha Toshiba
Masaaki Wakamatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and apparatus with renewal of toner residual a...
Patent number
7,693,434
Issue date
Apr 6, 2010
Kabushiki Kaisha Toshiba
Masaaki Wakamatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method with renewal of toner residual amount
Patent number
7,466,932
Issue date
Dec 16, 2008
Kabushiki Kaisha Toshiba
Masaaki Wakamatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development processes
Patent number
6,261,732
Issue date
Jul 17, 2001
Xerox Corporation
Ian D. Morrison
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development processes
Patent number
5,998,081
Issue date
Dec 7, 1999
Xerox Corporation
Ian D. Morrison
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic process using melted developer
Patent number
5,229,235
Issue date
Jul 20, 1993
Sony Corporation
Haruo Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming material with developer and photosensitive base on wh...
Patent number
5,116,714
Issue date
May 26, 1992
Sony Corporation
Haruo Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image recording apparatus using coloring photosensitive toner in th...
Patent number
5,060,020
Issue date
Oct 22, 1991
Brother Kogyo Kabushiki Kaisha
Jun Sakai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrographic development apparatus and method for use with partia...
Patent number
4,347,298
Issue date
Aug 31, 1982
Eastman Kodak Company
Arthur S. Kroll
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrographic development apparatus
Patent number
4,292,921
Issue date
Oct 6, 1981
Eastman Kodak Company
Arthur S. Kroll
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrographic liquid developers containing azo dye marking particl...
Patent number
4,145,299
Issue date
Mar 20, 1979
Eastman Kodak Company
John A. Ford
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Migration imaging system using shaped electrode
Patent number
3,975,739
Issue date
Aug 17, 1976
Xerox Corporation
William L. Goffe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Migration imaging system
Patent number
3,975,195
Issue date
Aug 17, 1976
Xerox Corporation
William L. Goffe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic charging and imaging process
Patent number
3,960,555
Issue date
Jun 1, 1976
Xerox Corporation
William L. Goffe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic process having developed hydrophilic image areas
Patent number
3,935,008
Issue date
Jan 27, 1976
Hoechst Aktiengesellschaft
Erwin Lind
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
3918966
Patent number
3,918,966
Issue date
Nov 11, 1975
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
3901698
Patent number
3,901,698
Issue date
Aug 26, 1975
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
3876445
Patent number
3,876,445
Issue date
Apr 8, 1975
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20220260936
Publication date
Aug 18, 2022
Canon Kabushiki Kaisha
Yoji Misao
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, MANUFACTURING METHOD OF ELECTROP...
Publication number
20200096883
Publication date
Mar 26, 2020
Canon Kabushiki Kaisha
Masaki Nonaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...
Publication number
20190064688
Publication date
Feb 28, 2019
DOWA ELECTRONICS MATERIALS CO., LTD.
Yuki KITAHARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR
Publication number
20150030974
Publication date
Jan 29, 2015
Xerox Corporation
Gregory M. McGuire
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC LATENT IMAGE DEVELOPING TONER, PRODUCTION METHOD OF T...
Publication number
20140349228
Publication date
Nov 27, 2014
Konica Minolta, Inc.
Futoshi KADONOME
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, AND IMAGE FORMING METHOD, PROCESS CARTRIDGE, AND IMAGE FORMI...
Publication number
20140147779
Publication date
May 29, 2014
Kazuoki FUWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20140064759
Publication date
Mar 6, 2014
Makoto KOMATSU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20140056602
Publication date
Feb 27, 2014
KYOCERA DOCUMENT SOLUTIONS INC.
Takefumi YOTSUTSUJI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE I...
Publication number
20140051021
Publication date
Feb 20, 2014
Shinya SAKAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20130273464
Publication date
Oct 17, 2013
Toshiba Tec Kabushiki Kaisha
Ryota KASHIWAGI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER, DEVELOPER USING THE CARRIER, AND DEVELOPING DEVICE, IMAGE...
Publication number
20110171573
Publication date
Jul 14, 2011
Koichi SAKATA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image Forming Method with Renewal of Toner Residual Amount
Publication number
20100172660
Publication date
Jul 8, 2010
KABUSHIKI KAISHA TOSHIBA
Masaaki Wakamatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image Forming Method
Publication number
20090080912
Publication date
Mar 26, 2009
KABUSHIKI KAISHA TOSHIBA
Masaaki Wakamatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image Forming Method
Publication number
20070223943
Publication date
Sep 27, 2007
KABUSHIKI KAISHA TOSHIBA
Masaaki Wakamatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY