Details of parts of process cartridge

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CPC
G03G21/1814

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Parent Industries

GPHYSICS G03Photography G03GELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY G03G21/00Arrangements not provided for by groups G03G13/00 - G03G19/00

Current Industry

G03G21/1814Details of parts of process cartridge

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic member, process cartridge, and electrophotograp...
- Patent number 12,366,816
- Issue date Jul 22, 2025
- Canon Kabushiki Kaisha
- Ayumi Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus incorporating the same
- Patent number 12,360,471
- Issue date Jul 15, 2025
- Ricoh Company, Ltd.
- Hiroshi Nakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum cartridge and developing cartridge capable of suppressing vari...
- Patent number 12,360,491
- Issue date Jul 15, 2025
- Brother Kogyo Kabushiki Kaisha
- Takashi Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus
- Patent number 12,353,164
- Issue date Jul 8, 2025
- Canon Kabushiki Kaisha
- Akihiro Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum cartridge having separation shaft for moving developing frame...
- Patent number 12,353,162
- Issue date Jul 8, 2025
- Brother Kogyo Kabushiki Kaisha
- Koji Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus
- Patent number 12,346,060
- Issue date Jul 1, 2025
- Ricoh Company, Ltd.
- Taira Otsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge
- Patent number 12,346,057
- Issue date Jul 1, 2025
- JIANGXI YIBO E-TECH CO, LTD.
- Xiaomin Gong
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and electrophotographic image forming apparatus
- Patent number 12,346,059
- Issue date Jul 1, 2025
- Canon Kabushiki Kaisha
- Yosuke Kashiide
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including detachable process cartridge havi...
- Patent number 12,339,616
- Issue date Jun 24, 2025
- Brother Kogyo Kabushiki Kaisha
- Yasuo Fukamachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member cartridge and process cartridge
- Patent number 12,321,129
- Issue date Jun 3, 2025
- Canon Kabushiki Kaisha
- Jun Miyamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,321,127
- Issue date Jun 3, 2025
- Canon Kabushiki Kaisha
- Satoshi Koga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus and cartridge
- Patent number 12,321,128
- Issue date Jun 3, 2025
- Canon Kabushiki Kaisha
- Yuichi Fukui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge
- Patent number 12,314,000
- Issue date May 27, 2025
- JIANGXI YIBO E-TECH CO.LTD.
- Xiaomin Gong
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge
- Patent number 12,306,572
- Issue date May 20, 2025
- Canon Kabushiki Kaisha
- Shintaro Kawaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with detectable cartridge
- Patent number 12,298,706
- Issue date May 13, 2025
- Canon Kabushiki Kaisha
- Daisuke Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge including development...
- Patent number 12,292,704
- Issue date May 6, 2025
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge
- Patent number 12,287,602
- Issue date Apr 29, 2025
- Zhuhai Ninestar Information Technology Co., Ltd
- Hao Yang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge including drum cartridge having first holder, dev...
- Patent number 12,282,290
- Issue date Apr 22, 2025
- Brother Kogyo Kabushiki Kaisha
- Yasuo Fukamachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,282,288
- Issue date Apr 22, 2025
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device
- Patent number 12,276,935
- Issue date Apr 15, 2025
- Canon Kabushiki Kaisha
- Tomohiro Shiomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including pressed portion to be pressed by a pressing por...
- Patent number 12,271,147
- Issue date Apr 8, 2025
- Canon Kabushiki Kaisha
- Yuko Harada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge
- Patent number 12,271,146
- Issue date Apr 8, 2025
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge with a bent blade holder of a doctor blade ele...
- Patent number 12,265,341
- Issue date Apr 1, 2025
- ZHUHAI YUANCHENG DIGITAL TECHNOLOGY CO., LTD.
- Liangchun Tang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Roller cleaning mechanism and image formation apparatus therewith
- Patent number 12,263,691
- Issue date Apr 1, 2025
- Kyocera Document Solutions Inc.
- Koji Tsujioka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 12,259,680
- Issue date Mar 25, 2025
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
- Patent number 12,248,274
- Issue date Mar 11, 2025
- Canon Kabushiki Kaisha
- Motoya Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus, cartridge and drum unit
- Patent number 12,242,222
- Issue date Mar 4, 2025
- Canon Kabushiki Kaisha
- Masanari Morioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum cartridge including movable electrical contact surface, and im...
- Patent number 12,242,223
- Issue date Mar 4, 2025
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge
- Patent number 12,235,606
- Issue date Feb 25, 2025
- Canon Kabushiki Kaisha
- Masatake Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,228,879
- Issue date Feb 18, 2025
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DRUM UNIT AND PROCESSING CARTRIDGE
- Publication number 20250237991
- Publication date Jul 24, 2025
- Zhuhai Ninestar Information Technology Co., Ltd
- Qin LUO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET-SHAPED SEALING MEMBER, REMOVABLE UNIT, AND IMAGE FORMING APPA...
- Publication number 20250231505
- Publication date Jul 17, 2025
- Hiroshi FUJIWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC APPARATUS AND PROCESS CARTRIDGE
- Publication number 20250231520
- Publication date Jul 17, 2025
- Canon Kabushiki Kaisha
- HARUHIKO MITSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC MEMBER, ELECTROPHOTOGRAPHIC PROCESS CARTRIDGE A...
- Publication number 20250231522
- Publication date Jul 17, 2025
- Canon Kabushiki Kaisha
- TAKASHI KOYANAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE WITH DRIVING SIDE HINGE WITH HINGE SPACING
- Publication number 20250231524
- Publication date Jul 17, 2025
- Hewlett-Packard Development Company, L.P.
- JinHong KIM
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC APPARATUS
- Publication number 20250231521
- Publication date Jul 17, 2025
- Canon Kabushiki Kaisha
- KENICHI IKARI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CONTAINER AND METHOD FOR MANUFACTURING CONTAINER
- Publication number 20250231523
- Publication date Jul 17, 2025
- Canon Kabushiki Kaisha
- RYOJI KUSUDO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE
- Publication number 20250224695
- Publication date Jul 10, 2025
- Zhuhai Ninestar Information Technology Co., Ltd
- Tiansheng PENG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE
- Publication number 20250224696
- Publication date Jul 10, 2025
- ZHUHAI DINGHUI TECHNOLOGY CO., LTD.
- Shengkui ZHAO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND CARTRIDGE
- Publication number 20250224694
- Publication date Jul 10, 2025
- Canon Kabushiki Kaisha
- Yuichi Fukui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE
- Publication number 20250216812
- Publication date Jul 3, 2025
- JIANGXI YIBO E-TECH CO, LTD.
- Xiaomin GONG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE
- Publication number 20250208563
- Publication date Jun 26, 2025
- Canon Kabushiki Kaisha
- KOJI KATAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20250208553
- Publication date Jun 26, 2025
- Canon Kabushiki Kaisha
- HIROSHI KITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20250199439
- Publication date Jun 19, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER, CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORM...
- Publication number 20250199435
- Publication date Jun 19, 2025
- FUJIFILM Business Innovation Corp.
- Yukimi KAWABATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESSING CARTRIDGE
- Publication number 20250199469
- Publication date Jun 19, 2025
- Zhuhai Ninestar Information Technology Co., Ltd
- Qin LUO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS
- Publication number 20250199463
- Publication date Jun 19, 2025
- Canon Kabushiki Kaisha
- KANAME WATARIGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE
- Publication number 20250199464
- Publication date Jun 19, 2025
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20250199465
- Publication date Jun 19, 2025
- Canon Kabushiki Kaisha
- YUKO HARADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FOR...
- Publication number 20250199423
- Publication date Jun 19, 2025
- FUJIFILM Business Innovation Corp.
- Fuyuki KANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20250189927
- Publication date Jun 12, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Shougo SATO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20250189906
- Publication date Jun 12, 2025
- Canon Kabushiki Kaisha
- MASAHIRO SUETSUGU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE
- Publication number 20250189926
- Publication date Jun 12, 2025
- Zhuhai Ninestar Information Technology Co., Ltd
- Qijie LIANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE
- Publication number 20250181010
- Publication date Jun 5, 2025
- Canon Kabushiki Kaisha
- MASASHI UNO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20250181009
- Publication date Jun 5, 2025
- Canon Kabushiki Kaisha
- Katsuhiro Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND PROCESS CARTRIDGE SET
- Publication number 20250181004
- Publication date Jun 5, 2025
- Canon Kabushiki Kaisha
- SHOHEI KOTOTANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE
- Publication number 20250172902
- Publication date May 29, 2025
- JIANGXI YIBO E-TECH CO. LTD.
- Xiaomin GONG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE
- Publication number 20250172901
- Publication date May 29, 2025
- Canon Kabushiki Kaisha
- TAKASHI HIRAMATSU
- G01 - MEASURING TESTING
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20250164924
- Publication date May 22, 2025
- Canon Kabushiki Kaisha
- Akira Yoshimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
- Publication number 20250164901
- Publication date May 22, 2025
- Canon Kabushiki Kaisha
- MASASHI NISHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Details of parts of process cartridge

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Electrophotographic member, process cartridge, and electrophotograp...

Process cartridge and image forming apparatus incorporating the same

Drum cartridge and developing cartridge capable of suppressing vari...

Electrophotographic apparatus

Drum cartridge having separation shaft for moving developing frame...

Developing device, process cartridge, and image forming apparatus

Process cartridge

Cartridge and electrophotographic image forming apparatus

Image forming apparatus including detachable process cartridge havi...

Photosensitive member cartridge and process cartridge

Image forming apparatus

Electrophotographic image forming apparatus and cartridge

Process cartridge

Process cartridge

Image forming apparatus with detectable cartridge

Image forming apparatus and process cartridge including development...

Developing cartridge

Process cartridge including drum cartridge having first holder, dev...

Image forming apparatus

Developing device

Cartridge including pressed portion to be pressed by a pressing por...

Process cartridge

Developing cartridge with a bent blade holder of a doctor blade ele...

Roller cleaning mechanism and image formation apparatus therewith

Image forming apparatus

Electrophotographic photosensitive member, process cartridge, and e...

Electrophotographic image forming apparatus, cartridge and drum unit

Drum cartridge including movable electrical contact surface, and im...

Process cartridge

Image forming apparatus

Patents Applicationslast 30 patents

DRUM UNIT AND PROCESSING CARTRIDGE

SHEET-SHAPED SEALING MEMBER, REMOVABLE UNIT, AND IMAGE FORMING APPA...

ELECTROPHOTOGRAPHIC APPARATUS AND PROCESS CARTRIDGE

ELECTROPHOTOGRAPHIC MEMBER, ELECTROPHOTOGRAPHIC PROCESS CARTRIDGE A...

PROCESS CARTRIDGE WITH DRIVING SIDE HINGE WITH HINGE SPACING

ELECTROPHOTOGRAPHIC APPARATUS

CONTAINER AND METHOD FOR MANUFACTURING CONTAINER

DEVELOPING CARTRIDGE

PROCESS CARTRIDGE

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND CARTRIDGE

PROCESS CARTRIDGE

CARTRIDGE

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

CHARGING MEMBER, CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORM...

PROCESSING CARTRIDGE

PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

PROCESS CARTRIDGE

CARTRIDGE AND IMAGE FORMING APPARATUS

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FOR...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM

PROCESS CARTRIDGE

PROCESS CARTRIDGE

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND PROCESS CARTRIDGE SET

PROCESS CARTRIDGE

CARTRIDGE

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...