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G03G21/1871
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Patents Grants
last 30 patents
Information
Patent Grant
Toner supply contaner and mounting unit
Patent number
12,130,568
Issue date
Oct 29, 2024
Canon Kabushiki Kaisha
Yukio Kubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development device, process cartridge, and image forming apparatus
Patent number
12,117,763
Issue date
Oct 15, 2024
Canon Kabushiki Kaisha
Hiroaki Nosho
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Replaceable unit for an electrophotographic image forming device ha...
Patent number
12,078,954
Issue date
Sep 3, 2024
Lexmark International, Inc.
Jeremy Keith Payne
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
11,966,194
Issue date
Apr 23, 2024
Brother Kogyo Kabushiki Kaisha
Kentaro Mori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having photoconductor unit and removable de...
Patent number
11,874,629
Issue date
Jan 16, 2024
Canon Kabushiki Kaisha
Hirotaka Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Drum unit having electrical contact surface positioned at outer sur...
Patent number
11,853,002
Issue date
Dec 26, 2023
Brother Kogyo Kabushiki Kaisha
Isao Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Power receiving unit, rotating component, process cartridge, and as...
Patent number
11,853,003
Issue date
Dec 26, 2023
NINESTAR CORPORATION
Likun Zeng
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Drum unit having electrical contact surface positioned at outer sur...
Patent number
11,774,902
Issue date
Oct 3, 2023
Brother Kogyo Kabushiki Kaisha
Isao Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development device, process cartridge, and image forming apparatus
Patent number
11,703,795
Issue date
Jul 18, 2023
Canon Kabushiki Kaisha
Hiroaki Nosho
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Replaceable unit for an electrophotographic image forming device ha...
Patent number
11,669,040
Issue date
Jun 6, 2023
Lexmark International, Inc.
Jeremy Keith Payne
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process cartridge configured of developing cartridge including elec...
Patent number
11,567,446
Issue date
Jan 31, 2023
Brother Kogyo Kabushiki Kaisha
Yasuo Fukamachi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having displaceable electrical contact when...
Patent number
11,513,468
Issue date
Nov 29, 2022
Canon Kabushiki Kaisha
Hirotaka Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Power receiving unit and process cartridge
Patent number
11,513,469
Issue date
Nov 29, 2022
NINESTAR CORPORATION
Likun Zeng
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus containing regulated...
Patent number
11,454,897
Issue date
Sep 27, 2022
Ricoh Company, Ltd.
Kei Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cartridge and image forming apparatus
Patent number
11,449,001
Issue date
Sep 20, 2022
Canon Kabushiki Kaisha
Akihiro Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Drum unit having electrical contact surface positioned at outer sur...
Patent number
11,429,060
Issue date
Aug 30, 2022
Brother Kogyo Kabushiki Kaisha
Isao Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing cartridge including holder movably supporting electrical...
Patent number
11,385,591
Issue date
Jul 12, 2022
Brother Kogyo Kabushiki Kaisha
Junichi Yokoi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Replaceable unit for an electrophotographic image forming device ha...
Patent number
11,300,921
Issue date
Apr 12, 2022
Lexmark International, Inc.
Jeremy Keith Payne
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development device, process cartridge, and image forming apparatus
Patent number
11,287,772
Issue date
Mar 29, 2022
Canon Kabushiki Kaisha
Hiroaki Nosho
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Drum unit having electrical contact surface positioned at outer sur...
Patent number
11,262,695
Issue date
Mar 1, 2022
Brother Kogyo Kabushiki Kaisha
Isao Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing cartridge having pivotable developing electrode
Patent number
11,137,697
Issue date
Oct 5, 2021
Brother Kogyo Kabushiki Kaisha
Nao Itabashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Asymmetric key features
Patent number
11,067,920
Issue date
Jul 20, 2021
Hewlett-Packard Development Company, L.P.
Sean Daniel Fitzgerald
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing cartridge including holder movably supporting electrical...
Patent number
11,067,944
Issue date
Jul 20, 2021
Brother Kogyo Kabushiki Kaisha
Junichi Yokoi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with side frames
Patent number
11,036,180
Issue date
Jun 15, 2021
Brother Kogyo Kabushiki Kaisha
Shougo Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Power receiving unit, rotating component, process cartridge, and as...
Patent number
11,022,937
Issue date
Jun 1, 2021
NINESTAR CORPORATION
Likun Zeng
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cartridge reproduction method and cartridge
Patent number
11,016,440
Issue date
May 25, 2021
Canon Kabushiki Kaisha
Tomofumi Kawamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cartridge and imaging forming apparatus
Patent number
10,962,927
Issue date
Mar 30, 2021
Canon Kabushiki Kaisha
Akihiro Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Drum unit having electrical contact surface positioned at outer sur...
Patent number
10,955,793
Issue date
Mar 23, 2021
Brother Kogyo Kabushiki Kaisha
Isao Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cartridge and imaging forming apparatus
Patent number
10,928,771
Issue date
Feb 23, 2021
Canon Kabushiki Kaisha
Akihiro Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic image forming device having a replaceable unit...
Patent number
10,871,742
Issue date
Dec 22, 2020
Lexmark International, Inc.
Jeremy Keith Payne
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
TONER SUPPLY CONTANER AND MOUNTING UNIT
Publication number
20250013168
Publication date
Jan 9, 2025
Canon Kabushiki Kaisha
YUKIO KUBO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
Publication number
20250004417
Publication date
Jan 2, 2025
Canon Kabushiki Kaisha
Hiroaki Nosho
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20240393742
Publication date
Nov 28, 2024
Canon Kabushiki Kaisha
TETSUO FURUKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS CARTRIDGE, PROCESS CARTRIDGE ASSEMBLY, AND IMAGE-FORMING AP...
Publication number
20240353794
Publication date
Oct 24, 2024
ZHUHAI PANTUM ELECTRONICS CO., LTD.
Zhe SHAO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
INSTALLATION BRACKET, PROCESS CARTRIDGE ASSEMBLY, AND IMAGE-FORMING...
Publication number
20240160147
Publication date
May 16, 2024
ZHUHAI PANTUM ELECTRONICS CO., LTD.
Feng CHEN
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20240111246
Publication date
Apr 4, 2024
Canon Kabushiki Kaisha
Hirotaka Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DRUM UNIT HAVING ELECTRICAL CONTACT SURFACE POSITIONED AT OUTER SUR...
Publication number
20240061372
Publication date
Feb 22, 2024
BROTHER KOGYO KABUSHIKI KAISHA
Isao KISHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
Publication number
20230315002
Publication date
Oct 5, 2023
Canon Kabushiki Kaisha
Hiroaki Nosho
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
REPLACEABLE UNIT FOR AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE HA...
Publication number
20230259066
Publication date
Aug 17, 2023
Lexmark International, Inc.
JEREMY KEITH PAYNE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20230244183
Publication date
Aug 3, 2023
BROTHER KOGYO KABUSHIKI KAISHA
Kentaro MORI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20230185235
Publication date
Jun 15, 2023
Canon Kabushiki Kaisha
Hirotaka Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POWER RECEIVING UNIT, ROTATING COMPONENT, PROCESS CARTRIDGE, AND AS...
Publication number
20230068392
Publication date
Mar 2, 2023
NINESTAR CORPORATION
Likun ZENG
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DRUM UNIT HAVING ELECTRICAL CONTACT SURFACE POSITIONED AT OUTER SUR...
Publication number
20220397857
Publication date
Dec 15, 2022
BROTHER KOGYO KABUSHIKI KAISHA
Isao KISHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
Publication number
20220236687
Publication date
Jul 28, 2022
Canon Kabushiki Kaisha
Hiroaki Nosho
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
REPLACEABLE UNIT FOR AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE HA...
Publication number
20220197210
Publication date
Jun 23, 2022
Lexmark International, Inc.
JEREMY KEITH PAYNE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DRUM UNIT HAVING ELECTRICAL CONTACT SURFACE POSITIONED AT OUTER SUR...
Publication number
20220171331
Publication date
Jun 2, 2022
BROTHER KOGYO KABUSHIKI KAISHA
Isao KISHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING CARTRIDGE INCLUDING HOLDER MOVABLY SUPPORTING ELECTRICAL...
Publication number
20210325822
Publication date
Oct 21, 2021
BROTHER KOGYO KABUSHIKI KAISHA
Junichi Yokoi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20210278801
Publication date
Sep 9, 2021
Canon Kabushiki Kaisha
Hirotaka Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POWER RECEIVING UNIT AND PROCESS CARTRIDGE
Publication number
20210247718
Publication date
Aug 12, 2021
NINESTAR CORPORATION
Likun ZENG
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DRUM UNIT HAVING ELECTRICAL CONTACT SURFACE POSITIONED AT OUTER SUR...
Publication number
20210208534
Publication date
Jul 8, 2021
BROTHER KOGYO KABUSHIKI KAISHA
Isao Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ASYMMETRIC KEY FEATURES
Publication number
20210165340
Publication date
Jun 3, 2021
Hewlett-Packard Development Company, L.P.
Sean Daniel FITZGERALD
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
Publication number
20210149335
Publication date
May 20, 2021
Canon Kabushiki Kaisha
Akihiro Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DRUM UNIT HAVING ELECTRICAL CONTACT SURFACE POSITIONED AT OUTER SUR...
Publication number
20210072698
Publication date
Mar 11, 2021
BROTHER KOGYO KABUSHIKI KAISHA
Isao KISHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
REPLACEABLE UNIT FOR AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE HA...
Publication number
20210063953
Publication date
Mar 4, 2021
Lexmark International, Inc.
JEREMY KEITH PAYNE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING CARTRIDGE INCLUDING HOLDER MOVABLY SUPPORTING ELECTRICAL...
Publication number
20210003960
Publication date
Jan 7, 2021
BROTHER KOGYO KABUSHIKI KAISHA
Junichi Yokoi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARTRIDGE REPRODUCTION METHOD AND CARTRIDGE
Publication number
20200285192
Publication date
Sep 10, 2020
Canon Kabushiki Kaisha
Tomofumi Kawamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
Publication number
20200183322
Publication date
Jun 11, 2020
Canon Kabushiki Kaisha
Hiroaki Nosho
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING CARTRIDGE INCLUDING HOLDER MOVABLY SUPPORTING ELECTRICAL...
Publication number
20200142352
Publication date
May 7, 2020
BROTHER KOGYO KABUSHIKI KAISHA
Junichi Yokoi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE HAVING A REPLACEABLE UNIT...
Publication number
20200081394
Publication date
Mar 12, 2020
Lexmark International, Inc.
JEREMY KEITH PAYNE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
Publication number
20200081396
Publication date
Mar 12, 2020
Canon Kabushiki Kaisha
Akihiro Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY