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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus having toner charging
Patent number
12,147,170
Issue date
Nov 19, 2024
Canon Kabushiki Kaisha
Yuta Isobe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process cartridge and electrophotographic apparatus using the same
Patent number
11,366,402
Issue date
Jun 21, 2022
Canon Kabushiki Kaisha
Yuka Ishiduka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
10,642,206
Issue date
May 5, 2020
Canon Kabushiki Kaisha
Seiichi Shinohara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
10,073,362
Issue date
Sep 11, 2018
Canon Kabushiki Kaisha
Atsushi Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developing device, process cartridge, and imag...
Patent number
10,025,265
Issue date
Jul 17, 2018
Canon Kabushiki Kaisha
Kazuhisa Shida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developing device, process cartridge, and imag...
Patent number
10,001,726
Issue date
Jun 19, 2018
Canon Kabushiki Kaisha
Takayuki Kanazawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, development apparatus, process cartridge, and...
Patent number
9,996,032
Issue date
Jun 12, 2018
Canon Kabushiki Kaisha
Shunsuke Mizukoshi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, cartridge and image forming apparatus
Patent number
9,933,726
Issue date
Apr 3, 2018
Canon Kabushiki Kaisha
Yuta Isobe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
9,618,861
Issue date
Apr 11, 2017
Canon Kabushiki Kaisha
Atsushi Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
9,599,915
Issue date
Mar 21, 2017
Canon Kabushiki Kaisha
Takashi Anezaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
9,470,989
Issue date
Oct 18, 2016
Canon Kabushiki Kaisha
Hiroyuki Tomono
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for producing electrophotographic photosensitive member
Patent number
9,372,417
Issue date
Jun 21, 2016
Canon Kabushiki Kaisha
Atsushi Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
9,372,418
Issue date
Jun 21, 2016
Canon Kabushiki Kaisha
Kazuhisa Shida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
9,372,419
Issue date
Jun 21, 2016
Canon Kabushiki Kaisha
Haruyuki Tsuji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
9,256,145
Issue date
Feb 9, 2016
Canon Kabushiki Kaisha
Atsushi Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
9,229,342
Issue date
Jan 5, 2016
Canon Kabushiki Kaisha
Takashi Anezaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, elect...
Patent number
9,188,888
Issue date
Nov 17, 2015
Canon Kabushiki Kaisha
Atsushi Okuda
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge and el...
Patent number
9,164,406
Issue date
Oct 20, 2015
Canon Kabushiki Kaisha
Masashi Nishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for producing electrophotographic photosensitive member
Patent number
9,046,797
Issue date
Jun 2, 2015
Canon Kabushiki Kaisha
Atsushi Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge and el...
Patent number
9,040,214
Issue date
May 26, 2015
Canon Kabushiki Kaisha
Atsushi Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, elect...
Patent number
8,980,508
Issue date
Mar 17, 2015
Canon Kabushiki Kaisha
Atsushi Okuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, elect...
Patent number
8,980,509
Issue date
Mar 17, 2015
Canon Kabushiki Kaisha
Kazunori Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, elect...
Patent number
8,956,792
Issue date
Feb 17, 2015
Canon Kabushiki Kaisha
Atsushi Okuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
8,921,020
Issue date
Dec 30, 2014
Canon Kabushiki Kaisha
Shio Murai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, elect...
Patent number
8,815,479
Issue date
Aug 26, 2014
Canon Kabushiki Kaisha
Kazuhisa Shida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, elect...
Patent number
8,753,789
Issue date
Jun 17, 2014
Canon Kabushiki Kaisha
Harunobu Ogaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, elect...
Patent number
8,669,027
Issue date
Mar 11, 2014
Canon Kabushiki Kaisha
Takashi Anezaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for producing electrophotographic photosensitive member
Patent number
8,455,170
Issue date
Jun 4, 2013
Canon Kabushiki Kaisha
Nobuhiro Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
DEVELOPING APPARATUS, PROCESS CARTRIDGE, AND IMAGE-FORMING APPARATUS
Publication number
20240288793
Publication date
Aug 29, 2024
Canon Kabushiki Kaisha
RIEKO TAKABE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20220187734
Publication date
Jun 16, 2022
Canon Kabushiki Kaisha
Yuta Isobe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS USING THE SAME
Publication number
20210116833
Publication date
Apr 22, 2021
Canon Kabushiki Kaisha
Yuka Ishiduka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20190179245
Publication date
Jun 13, 2019
Canon Kabushiki Kaisha
Seiichi Shinohara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPMENT APPARATUS, PROCESS CARTRIDGE, AND...
Publication number
20170293243
Publication date
Oct 12, 2017
Canon Kabushiki Kaisha
Shunsuke Mizukoshi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAG...
Publication number
20170293256
Publication date
Oct 12, 2017
Canon Kabushiki Kaisha
Kazuhisa Shida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, CARTRIDGE AND IMAGE FORMING APPARATUS
Publication number
20170261886
Publication date
Sep 14, 2017
Canon Kabushiki Kaisha
Yuta Isobe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAG...
Publication number
20170219963
Publication date
Aug 3, 2017
Canon Kabushiki Kaisha
Takayuki Kanazawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20150241800
Publication date
Aug 27, 2015
Canon Kabushiki Kaisha
Hiroyuki Tomono
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20150241801
Publication date
Aug 27, 2015
Canon Kabushiki Kaisha
Takashi Anezaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20150241802
Publication date
Aug 27, 2015
Canon Kabushiki Kaisha
Atsushi Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20150212437
Publication date
Jul 30, 2015
Canon Kabushiki Kaisha
Kazuhisa Shida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20150205218
Publication date
Jul 23, 2015
Haruyuki Tsuji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20150086921
Publication date
Mar 26, 2015
Canon Kabushiki Kaisha
Atsushi Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND EL...
Publication number
20140205941
Publication date
Jul 24, 2014
Canon Kabushiki Kaisha
Masashi Nishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20140134525
Publication date
May 15, 2014
Canon Kabushiki Kaisha
Takashi Anezaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20140093277
Publication date
Apr 3, 2014
Canon Kabushiki Kaisha
Atsushi Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER,PROCESS CARTRIDGE, ELECTR...
Publication number
20140023961
Publication date
Jan 23, 2014
Canon Kabushiki Kaisha
Atsushi Okuda
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECT...
Publication number
20140023962
Publication date
Jan 23, 2014
Canon Kabushiki Kaisha
Atsushi Okuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND EL...
Publication number
20130323632
Publication date
Dec 5, 2013
Atsushi Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20130316283
Publication date
Nov 28, 2013
Canon Kabushiki Kaisha
Atsushi Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECT...
Publication number
20130236823
Publication date
Sep 12, 2013
Canon Kabushiki Kaisha
Kazunori Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECT...
Publication number
20130202326
Publication date
Aug 8, 2013
Canon Kabushiki Kaisha
Kazuhisa Shida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20130202327
Publication date
Aug 8, 2013
Canon Kabushiki Kaisha
Shio Murai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECT...
Publication number
20120301182
Publication date
Nov 29, 2012
Canon Kabushiki Kaisha
Takashi Anezaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECT...
Publication number
20120301181
Publication date
Nov 29, 2012
Canon Kabushiki Kaisha
Harunobu Ogaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECT...
Publication number
20120263494
Publication date
Oct 18, 2012
Canon Kabushiki Kaisha
Atsushi Okuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20120225381
Publication date
Sep 6, 2012
Canon Kabushiki Kaisha
Nobuhiro Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20120114375
Publication date
May 10, 2012
Canon Kabushiki Kaisha
Atsushi Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY