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G03G21/186
Axial couplings
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus
Patent number
12,189,322
Issue date
Jan 7, 2025
Canon Kabushiki Kaisha
Ryosuke Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing cartridge with housing having a driving side and an oppo...
Patent number
12,181,828
Issue date
Dec 31, 2024
JIANGXI YIBO E-TECH CO.LTD.
Xiaobing Liu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process cartridge and image forming apparatus
Patent number
12,174,582
Issue date
Dec 24, 2024
Canon Kabushiki Kaisha
Hideki Maeshima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing cartridge including movable shaft, and cam provided on s...
Patent number
12,169,385
Issue date
Dec 17, 2024
Brother Kogyo Kabushiki Kaisha
Yuwen Wang
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Drum cartridge including drum contact movable in accordance with at...
Patent number
12,164,261
Issue date
Dec 10, 2024
Brother Kogyo Kabushiki Kaisha
Yuwen Wang
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus including particularly arranged driving mec...
Patent number
12,164,262
Issue date
Dec 10, 2024
Canon Kabushiki Kaisha
Yuichi Tanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cartridge and image forming apparatus
Patent number
12,158,722
Issue date
Dec 3, 2024
Canon Kabushiki Kaisha
Noriyuki Komatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic image forming apparatus, developing apparatus,...
Patent number
12,153,374
Issue date
Nov 26, 2024
Canon Kabushiki Kaisha
Masanari Morioka
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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
Drum unit, cartridge, process cartridge and electrophotographic ima...
Patent number
12,130,582
Issue date
Oct 29, 2024
Canon Kabushiki Kaisha
Daisuke Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Circuit board unit, attachment unit, and image forming apparatus
Patent number
12,130,565
Issue date
Oct 29, 2024
Ricoh Company, Ltd.
Yuki Oshikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process cartridge and image forming apparatus
Patent number
12,130,581
Issue date
Oct 29, 2024
Canon Kabushiki Kaisha
Hideki Maeshima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Drum unit, cartridge and coupling member
Patent number
12,124,211
Issue date
Oct 22, 2024
Canon Kabushiki Kaisha
Tetsuo Uesugi
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Developing cartridge having coupling and developing roller
Patent number
12,117,745
Issue date
Oct 15, 2024
Brother Kogyo Kabushiki Kaisha
Nao Itabashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process unit
Patent number
12,117,766
Issue date
Oct 15, 2024
Brother Kogyo Kabushiki Kaisha
Masatoshi Shiraki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photosensitive member unit and development unit
Patent number
12,111,608
Issue date
Oct 8, 2024
Canon Kabushiki Kaisha
Masao Uyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
12,105,468
Issue date
Oct 1, 2024
Canon Kabushiki Kaisha
Yasumasa Kido
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing cartridge including developing roller and coupling
Patent number
12,092,992
Issue date
Sep 17, 2024
Brother Kogyo Kabushiki Kaisha
Nao Itabashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Connection structure for coupling with toner cartridge
Patent number
12,085,886
Issue date
Sep 10, 2024
Hewlett-Packard Development Company, L.P.
Changwoo Lee
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process cartridge having drum cartridge and developing cartridge in...
Patent number
12,085,891
Issue date
Sep 10, 2024
Brother Kogyo Kabushiki Kaisha
Koji Abe
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
Drum unit, cartridge and coupling member
Patent number
12,072,668
Issue date
Aug 27, 2024
Canon Kabushiki Kaisha
Tetsuo Uesugi
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Cartridge and image forming apparatus
Patent number
12,072,664
Issue date
Aug 27, 2024
Canon Kabushiki Kaisha
Naoki Matsumaru
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cartridge having a member for transmitting a driving force for rota...
Patent number
12,072,669
Issue date
Aug 27, 2024
Canon Kabushiki Kaisha
Shinichi Nishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cartridge and image forming apparatus
Patent number
12,066,785
Issue date
Aug 20, 2024
Canon Kabushiki Kaisha
Sohta Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
12,066,784
Issue date
Aug 20, 2024
Brother Kogyo Kabushiki Kaisha
Nao Itabashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Drum unit capable of suppressing complication of wiring
Patent number
12,061,438
Issue date
Aug 13, 2024
Brother Kogyo Kabushiki Kaisha
Yuwen Wang
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process cartridge including frame having photosensitive drum, drum...
Patent number
12,061,425
Issue date
Aug 13, 2024
Brother Kogyo Kabushiki Kaisha
Naoya Kamimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
Patent number
12,050,432
Issue date
Jul 30, 2024
Canon Kabushiki Kaisha
Masaaki Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cartridge, drum unit and image forming apparatus
Patent number
12,038,716
Issue date
Jul 16, 2024
Canon Kabushiki Kaisha
Toshiki Fujino
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
PHOTOSENSITIVE MEMBER UNIT AND DEVELOPMENT UNIT
Publication number
20250004418
Publication date
Jan 2, 2025
Canon Kabushiki Kaisha
Masao Uyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DRUM UNIT CAPABLE OF SUPPRESSING COMPLICATION OF WIRING
Publication number
20240427284
Publication date
Dec 26, 2024
BROTHER KOGYO KABUSHIKI KAISHA
Yuwen Wang
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, AND...
Publication number
20240419122
Publication date
Dec 19, 2024
Canon Kabushiki Kaisha
Takahito Ueno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND CARTRIDGE
Publication number
20240419124
Publication date
Dec 19, 2024
Canon Kabushiki Kaisha
SOICHI ISHII
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING CARTRIDGE INCLUDING DEVELOPING ROLLER AND COUPLING
Publication number
20240419123
Publication date
Dec 19, 2024
BROTHER KOGYO KABUSHIKI KAISHA
Nao Itabashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING CARTRIDGE AND ELECTRONIC IMAGING APPARATUS
Publication number
20240402644
Publication date
Dec 5, 2024
Zhuhai Ninestar Information Technology Co., Ltd
Geming DING
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING CARTRIDGE
Publication number
20240393740
Publication date
Nov 28, 2024
Zhuhai Ninestar Information Technology Co., Ltd
Hao YANG
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING CARTRIDGE
Publication number
20240393741
Publication date
Nov 28, 2024
Zhuhai Ninestar Information Technology Co., Ltd
Wenjie ZHAO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20240385572
Publication date
Nov 21, 2024
Canon Kabushiki Kaisha
YASUMASA KIDO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
Publication number
20240385570
Publication date
Nov 21, 2024
Canon Kabushiki Kaisha
NORIYUKI KOMATSU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
Publication number
20240369968
Publication date
Nov 7, 2024
Canon Kabushiki Kaisha
Hideki Maeshima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
Publication number
20240369967
Publication date
Nov 7, 2024
Canon Kabushiki Kaisha
Hideki Maeshima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
Publication number
20240361723
Publication date
Oct 31, 2024
Canon Kabushiki Kaisha
SOHTA SUGIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
Publication number
20240353789
Publication date
Oct 24, 2024
Canon Kabushiki Kaisha
Noriyuki Komatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CONDUCTIVE PART, PROCESS CARTRIDGE, AND PROCESS CARTRIDGE SET
Publication number
20240353793
Publication date
Oct 24, 2024
ZHUHAI PANTUM ELECTRONICS CO., LTD.
Zhe SHAO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING CARTRIDGE INCLUDING HOUSING AND GEAR
Publication number
20240353775
Publication date
Oct 24, 2024
BROTHER KOGYO KABUSHIKI KAISHA
Nao Itabashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS INCLUDING COUPLING MEMBER SELECTIVELY COUPL...
Publication number
20240345537
Publication date
Oct 17, 2024
BROTHER KOGYO KABUSHIKI KAISHA
Yasushi OKABE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE POSITIONED AT O...
Publication number
20240345538
Publication date
Oct 17, 2024
BROTHER KOGYO KABUSHIKI KAISHA
Koji ABE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING CARTRIDGE HAVING ELECTRODE
Publication number
20240345503
Publication date
Oct 17, 2024
BROTHER KOGYO KABUSHIKI KAISHA
Yasumasa Fujii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DRUM UNIT, CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMA...
Publication number
20240329595
Publication date
Oct 3, 2024
Canon Kabushiki Kaisha
Daisuke Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING CARTRIDGE HAVING COUPLING AND DEVELOPING ROLLER
Publication number
20240329563
Publication date
Oct 3, 2024
BROTHER KOGYO KABUSHIKI KAISHA
Nao ITABASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
Publication number
20240319663
Publication date
Sep 26, 2024
Canon Kabushiki Kaisha
Masaaki Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE MOVABLE RELATIV...
Publication number
20240319664
Publication date
Sep 26, 2024
BROTHER KOGYO KABUSHIKI KAISHA
Nao ITABASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS UNIT INCLUDING FIRST AND SECOND RESIN MATERIALS AND IMAGE F...
Publication number
20240319665
Publication date
Sep 26, 2024
Canon Kabushiki Kaisha
Yuichi Sakakibara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE-FORMING APPARATUS INCLUDING MECHANISM FOR OPENING AND CLOSING...
Publication number
20240319660
Publication date
Sep 26, 2024
BROTHER KOGYO KABUSHIKI KAISHA
Aya ADACHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DRUM UNIT, CARTRIDGE AND COUPLING MEMBER
Publication number
20240310779
Publication date
Sep 19, 2024
Canon Kabushiki Kaisha
Tetsuo Uesugi
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
IMAGE FORMING APPARATUS INCLUDING PROCESS CARTRIDGE, AND TONER CART...
Publication number
20240310754
Publication date
Sep 19, 2024
BROTHER KOGYO KABUSHIKI KAISHA
Nao Itabashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
Publication number
20240295851
Publication date
Sep 5, 2024
Canon Kabushiki Kaisha
Ryuta Murakami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DRIVING FORCE RECEIVING MEMBER AND PROCESS CARTRIDGE
Publication number
20240295852
Publication date
Sep 5, 2024
E-Z INK TECHNOLOGY CO., LTD
Shengkui ZHAO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY