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Polyvinylalcohol, polyallylalcohol; Derivatives thereof
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G03G5/1473
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ELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY
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G03G5/1473
Polyvinylalcohol, polyallylalcohol; Derivatives thereof
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Patents Grants
last 30 patents
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Patent Grant
Electrophotographic member, process cartridge, and electrophotograp...
Patent number
12,158,724
Issue date
Dec 3, 2024
Canon Kabushiki Kaisha
Akio Nishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
11,500,301
Issue date
Nov 15, 2022
Canon Kabushiki Kaisha
Hideharu Shimozawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electrophotographic photoreceptor, process cartridge, and image for...
Patent number
11,435,674
Issue date
Sep 6, 2022
FUJIFILM Business Innovation Corp.
Yuto Okazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and image forming system
Patent number
11,415,904
Issue date
Aug 16, 2022
Konica Minolta, Inc.
Seisuke Maeda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process cartridge and electrophotographic apparatus
Patent number
11,320,754
Issue date
May 3, 2022
Canon Kabushiki Kaisha
Kazunori Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge and el...
Patent number
11,256,186
Issue date
Feb 22, 2022
Canon Kabushiki Kaisha
Hideharu Shimozawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and process cartridge
Patent number
11,249,409
Issue date
Feb 15, 2022
FUJIFILM Business Innovation Corp.
Tatsuhiro Igarashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, process cartridge, and image-for...
Patent number
11,048,181
Issue date
Jun 29, 2021
FUJIFILM Business Innovation Corp.
Masahiro Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
11,029,616
Issue date
Jun 8, 2021
Canon Kabushiki Kaisha
Shubun Kujirai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic image forming apparatus and process cartridge
Patent number
11,003,102
Issue date
May 11, 2021
Canon Kabushiki Kaisha
Yuka Ishiduka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge and el...
Patent number
10,838,315
Issue date
Nov 17, 2020
Canon Kabushiki Kaisha
Hideharu Shimozawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, production method theref...
Patent number
10,768,539
Issue date
Sep 8, 2020
Canon Kabushiki Kaisha
Haruki Mori
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Charge transport molecule having hydrogen for an overcoat of a phot...
Patent number
10,761,443
Issue date
Sep 1, 2020
Lexmark International, Inc.
Weimei Luo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrophotographic photosensitive member, electrophotographic appa...
Patent number
10,761,442
Issue date
Sep 1, 2020
Canon Kabushiki Kaisha
Koichi Nakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Overcoat for a photoconductor with tetrafunctional radical polymeri...
Patent number
10,732,528
Issue date
Aug 4, 2020
Lexmark International, Inc.
Weimei Luo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
10,691,033
Issue date
Jun 23, 2020
Canon Kabushiki Kaisha
Tsutomu Nishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Organic photoconductor drum having an overcoat containing nano meta...
Patent number
10,691,032
Issue date
Jun 23, 2020
Lexmark International, Inc.
Weimei Luo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductor overcoat having a charge transport molecule with fou...
Patent number
10,684,565
Issue date
Jun 16, 2020
Lexmark International, Inc.
David Glenn Black
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Organic photoconductor drum having an overcoat containing nano meta...
Patent number
10,678,153
Issue date
Jun 9, 2020
Lexmark International, Inc.
Weimei Luo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, and electrophotographic image fo...
Patent number
10,663,875
Issue date
May 26, 2020
Konica Minolta, Inc.
Tomoko Sakimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process cartridge and image-forming apparatus
Patent number
10,642,177
Issue date
May 5, 2020
Canon Kabushiki Kaisha
Nobuhiro Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photosensitive body including protective layer formed on photosensi...
Patent number
10,642,176
Issue date
May 5, 2020
Hewlett-Packard Development Company, L.P.
Young-soo Ha
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and image forming device
Patent number
10,627,730
Issue date
Apr 21, 2020
Konica Minolta, Inc.
Kazuhiro Kuramochi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
10,585,366
Issue date
Mar 10, 2020
Ricoh Company, Ltd.
Hidetoshi Kami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image bearing member for electrophotography
Patent number
10,585,365
Issue date
Mar 10, 2020
Konica Minolta, Inc.
Tomoko Sakimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge and el...
Patent number
10,558,133
Issue date
Feb 11, 2020
Canon Kabushiki Kaisha
Nobuhiro Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductor having protective overcoat layer with a charge trans...
Patent number
10,495,991
Issue date
Dec 3, 2019
Lexmark International, Inc.
David Glenn Black
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, method for producing the...
Patent number
10,488,771
Issue date
Nov 26, 2019
Canon Kabushiki Kaisha
Haruki Mori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
10,459,375
Issue date
Oct 29, 2019
Canon Kabushiki Kaisha
Yasutaka Yagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
10,429,754
Issue date
Oct 1, 2019
Canon Kabushiki Kaisha
Koji Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20240361709
Publication date
Oct 31, 2024
Canon Kabushiki Kaisha
CHIHARU AKIYAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC PHOTORECEPTO...
Publication number
20240329550
Publication date
Oct 3, 2024
MITSUBISHI CHEMICAL CORPORATION
Akira ANDO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FOR...
Publication number
20240280919
Publication date
Aug 22, 2024
FUJIFILM Business Innovation Corp.
Masahiro IWASAKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic Photoreceptor, Electrophotographic Photorecepto...
Publication number
20240134296
Publication date
Apr 25, 2024
MITSUBISHI CHEMICAL CORPORATION
Takahiro Choda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC PHOTORECEPTO...
Publication number
20240027928
Publication date
Jan 25, 2024
MITSUBISHI CHEMICAL CORPORATION
Akira Ando
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20230333494
Publication date
Oct 19, 2023
Canon Kabushiki Kaisha
KANAME WATARIGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20230288826
Publication date
Sep 14, 2023
Canon Kabushiki Kaisha
CHIHARU NAKAZONO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, CARTRIDGE USING SAME, AND IMAGE...
Publication number
20230259046
Publication date
Aug 17, 2023
MITSUBISHI CHEMICAL CORPORATION
Takahiro Choda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC MEMBER AND METHOD OF PRODUCING THE MEMBER, PROC...
Publication number
20230161275
Publication date
May 25, 2023
Canon Kabushiki Kaisha
Masashi Uno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ORGANIC PHOTOCONDUCTOR DRUM HAVING AN OVERCOAT CONTAINING NANO META...
Publication number
20230152721
Publication date
May 18, 2023
Lexmark International, Inc.
WEIMEI LUO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20230090596
Publication date
Mar 23, 2023
Canon Kabushiki Kaisha
Kunihiko Sekido
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic Photoreceptor, Electrophotographic Photorecepto...
Publication number
20230068130
Publication date
Mar 2, 2023
MITSUBISHI CHEMICAL CORPORATION
Akira Ando
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES, U...
Publication number
20230060882
Publication date
Mar 2, 2023
Lexmark International, Inc.
MATTHEW RUSSELL SMITHER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES, U...
Publication number
20230055807
Publication date
Feb 23, 2023
Lexmark International, Inc.
MATTHEW RUSSELL SMITHER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES, U...
Publication number
20230058033
Publication date
Feb 23, 2023
Lexmark International, Inc.
MATTHEW RUSSELL SMITHER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES, U...
Publication number
20230060102
Publication date
Feb 23, 2023
Lexmark International, Inc.
MATTHEW RUSSELL SMITHER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic Photoreceptor, Electrophotographic Photorecepto...
Publication number
20230056801
Publication date
Feb 23, 2023
MITSUBISHI CHEMICAL CORPORATION
Takahiro Choda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES, U...
Publication number
20230055873
Publication date
Feb 23, 2023
Lexmark International, Inc.
MATTHEW RUSSELL SMITHER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR OVERCOAT CONSISTING OF NANO METAL OXIDE PARTICLES, U...
Publication number
20230051626
Publication date
Feb 16, 2023
Lexmark International, Inc.
MATTHEW RUSSELL SMITHER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAP...
Publication number
20220276579
Publication date
Sep 1, 2022
Canon Kabushiki Kaisha
Akio Nishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FOR...
Publication number
20210302850
Publication date
Sep 30, 2021
FUJI XEROX CO., LTD
Yuto OKAZAKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20210240094
Publication date
Aug 5, 2021
Canon Kabushiki Kaisha
Hideharu Shimozawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
Publication number
20210080844
Publication date
Mar 18, 2021
FUJI XEROX CO., LTD
Tatsuhiro IGARASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20210026260
Publication date
Jan 28, 2021
Canon Kabushiki Kaisha
Kazunori Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20200393775
Publication date
Dec 17, 2020
Canon Kabushiki Kaisha
Shubun Kujirai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20200341394
Publication date
Oct 29, 2020
Canon Kabushiki Kaisha
Kenichi Ikari
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
Publication number
20200292949
Publication date
Sep 17, 2020
Canon Kabushiki Kaisha
Yuka Ishiduka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND EL...
Publication number
20200264526
Publication date
Aug 20, 2020
Canon Kabushiki Kaisha
Hideharu Shimozawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE-FOR...
Publication number
20200257212
Publication date
Aug 13, 2020
FUJI XEROX CO., LTD
Masahiro Iwasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND EL...
Publication number
20200201200
Publication date
Jun 25, 2020
Canon Kabushiki Kaisha
Ryoichi Tokimitsu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...