Prevention of damage or soiling

Industry

CPC
G03G21/1828

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Parent Industries

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

Current Industry

G03G21/1828Prevention of damage or soiling

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Cartridge including photosensitive drum and developing roller that...
- Patent number 12,298,703
- Issue date May 13, 2025
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including photosensitive drum and developing roller that...
- Patent number 12,045,004
- Issue date Jul 23, 2024
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and developing cartridge including a frame and sheet memb...
- Patent number 11,841,647
- Issue date Dec 12, 2023
- Canon Kabushiki Kaisha
- Takuya Kawakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including photosensitive drum and developing roller that...
- Patent number 11,789,401
- Issue date Oct 17, 2023
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant replacement case
- Patent number 11,740,574
- Issue date Aug 29, 2023
- Hewlett-Packard Development Company, L.P.
- Katsushi Higashida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Print powder reservoir sealed from atmosphere at lower pressure tha...
- Patent number 11,733,620
- Issue date Aug 22, 2023
- Hewlett-Packard Development Company, L.P.
- Jeffrey Harold Luke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including photosensitive drum and developing roller that...
- Patent number 11,493,878
- Issue date Nov 8, 2022
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,474,466
- Issue date Oct 18, 2022
- Canon Kabushiki Kaisha
- Yuya Nagatomo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including an image bearing member and developer bearing m...
- Patent number 11,188,021
- Issue date Nov 30, 2021
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and method for manufacturing cartridge
- Patent number 10,386,744
- Issue date Aug 20, 2019
- Canon Kabushiki Kaisha
- Toshiteru Yamasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus and image forming apparatus
- Patent number 10,365,585
- Issue date Jul 30, 2019
- Konica Minolta, Inc.
- Takumi Sakurada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge and drum cartridge configuration for mounting...
- Patent number 10,324,415
- Issue date Jun 18, 2019
- Brother Kogyo Kabushiki Kaisha
- Junichi Yokoi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a lubricant and developer of opposit...
- Patent number 10,216,143
- Issue date Feb 26, 2019
- Canon Kabushiki Kaisha
- Yuji Kawaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge mountable to image forming apparatus
- Patent number 10,114,336
- Issue date Oct 30, 2018
- Canon Kabushiki Kaisha
- Hiroki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaner assembly for removing waste toner in an electrophotographic...
- Patent number 10,025,267
- Issue date Jul 17, 2018
- Lexmark International, Inc.
- Brian Lester Boettcher
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus performing toner purge processing
- Patent number 9,891,552
- Issue date Feb 13, 2018
- Canon Kabushiki Kaisha
- Masahiko Suzumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a lubricant and developer of opposit...
- Patent number 9,874,848
- Issue date Jan 23, 2018
- Canon Kabushiki Kaisha
- Yuji Kawaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and image forming apparatus
- Patent number 9,864,332
- Issue date Jan 9, 2018
- Canon Kabushiki Kaisha
- Nobuharu Hoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 9,778,615
- Issue date Oct 3, 2017
- Brother Kogyo Kabushiki Kaisha
- Koji Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge provided with protection cover capable of protecting deve...
- Patent number 9,529,320
- Issue date Dec 27, 2016
- Brother Kogyo Kabushiki Kaisha
- Hiroki Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge and method for manufacturing the same
- Patent number 9,494,893
- Issue date Nov 15, 2016
- Brother Kogyo Kabushiki Kaisha
- Hiroki Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge and method for manufacturing the same
- Patent number 9,459,561
- Issue date Oct 4, 2016
- Brother Kogyo Kabushiki Kaisha
- Hiroki Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,459,584
- Issue date Oct 4, 2016
- Canon Kabushiki Kaisha
- Shinsuke Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge and method for manufacturing the same
- Patent number 9,459,560
- Issue date Oct 4, 2016
- Brother Kogyo Kabushiki Kaisha
- Hiroki Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge and method for manufacturing the same
- Patent number 9,454,102
- Issue date Sep 27, 2016
- Brother Kogyo Kabushiki Kaisha
- Hiroki Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge and method for manufacturing the same
- Patent number 9,454,101
- Issue date Sep 27, 2016
- Brother Kogyo Kabushiki Kaisha
- Hiroki Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image carrier unit and image forming apparatus
- Patent number 9,429,904
- Issue date Aug 30, 2016
- Canon Kabushiki Kaisha
- Takeshi Yasumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and image forming apparatus
- Patent number 9,383,719
- Issue date Jul 5, 2016
- Canon Kabushiki Kaisha
- Nobuharu Hoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge
- Patent number 9,372,442
- Issue date Jun 21, 2016
- Brother Kogyo Kabushiki Kaisha
- Fan Xu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with removably attached toner leakage preve...
- Patent number 9,360,801
- Issue date Jun 7, 2016
- Kyocera Document Solutions Inc.
- Satoru Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...
- Publication number 20250237994
- Publication date Jul 24, 2025
- Canon Kabushiki Kaisha
- Toshiaki TAKEUCHI
- 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
CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20250208532
- Publication date Jun 26, 2025
- Hiroshi NAKAI
- 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 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
PROCESSING CARTRIDGE
- Publication number 20250147463
- Publication date May 8, 2025
- Zhuhai Ninestar Information Technology Co., Ltd
- Qin DAI
- 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
CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...
- Publication number 20240345536
- Publication date Oct 17, 2024
- Canon Kabushiki Kaisha
- Toshiaki TAKEUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240255893
- Publication date Aug 1, 2024
- Canon Kabushiki Kaisha
- AKITOSHI TOYOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20240241476
- Publication date Jul 18, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND DEVELOPING CARTRIDGE
- Publication number 20240061362
- Publication date Feb 22, 2024
- Canon Kabushiki Kaisha
- Takuya Kawakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...
- Publication number 20230418212
- Publication date Dec 28, 2023
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...
- Publication number 20230025390
- Publication date Jan 26, 2023
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING AN IMAGE BEARING MEMBER AND DEVELOPER BEARING M...
- Publication number 20210341875
- Publication date Nov 4, 2021
- Canon Kabushiki Kaisha
- Toshiaki Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image Forming Apparatus to Which Developing Cartridge is Mountable
- Publication number 20180314202
- Publication date Nov 1, 2018
- BROTHER KOGYO KABUSHIKI KAISHA
- Junichi Yokoi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20180107147
- Publication date Apr 19, 2018
- Canon Kabushiki Kaisha
- Yuji Kawaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150063834
- Publication date Mar 5, 2015
- Canon Kabushiki Kaisha
- Shinsuke Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE CARRIER UNIT AND IMAGE FORMING APPARATUS
- Publication number 20150063867
- Publication date Mar 5, 2015
- Canon Kabushiki Kaisha
- Takeshi Yasumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing Cartridge and Method for Manufacturing the Same
- Publication number 20140363201
- Publication date Dec 11, 2014
- BROTHER KOGYO KABUSHIKI KAISHA
- Hiroki Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing Cartridge and Method for Manufacturing the Same
- Publication number 20140363199
- Publication date Dec 11, 2014
- BROTHER KOGYO KABUSHIKI KAISHA
- Hiroki Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing Cartridge and Method for Manufacturing the Same
- Publication number 20140363200
- Publication date Dec 11, 2014
- BROTHER KOGYO KABUSHIKI KAISHA
- Hiroki Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing Cartridge and Method for Manufacturing the Same
- Publication number 20140363202
- Publication date Dec 11, 2014
- BROTHER KOGYO KABUSHIKI KAISHA
- Hiroki Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing Cartridge and Method for Manufacturing the Same
- Publication number 20140363203
- Publication date Dec 11, 2014
- BROTHER KOGYO KABUSHIKI KAISHA
- Hiroki Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cartridge Detachably Mounted on Main Casing
- Publication number 20140105638
- Publication date Apr 17, 2014
- BROTHER KOGYO KABUSHIKI KAISHA
- Masatoshi SHIRAKI
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20140093271
- Publication date Apr 3, 2014
- Canon Kabushiki Kaisha
- Nobuharu Hoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Process Cartridge and Image Forming Apparatus
- Publication number 20140093276
- Publication date Apr 3, 2014
- BROTHER KOGYO KABUSHIKI KAISHA
- Koji Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140064782
- Publication date Mar 6, 2014
- Canon Kabushiki Kaisha
- Tetsuo Furukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS HAVING THE SAME
- Publication number 20130259523
- Publication date Oct 3, 2013
- Samsung Electronics Co., Ltd.
- Jong-in Kim
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC COLOR IMAGE FORMING APPARATUS
- Publication number 20130209118
- Publication date Aug 15, 2013
- Canon Kabushiki Kaisha
- Kazuhiro Hosohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image Forming Apparatus
- Publication number 20130195505
- Publication date Aug 1, 2013
- BROTHER KOGYO KABUSHIKI KAISHA
- Junichi Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Prevention of damage or soiling

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Cartridge including photosensitive drum and developing roller that...

Cartridge including photosensitive drum and developing roller that...

Cartridge and developing cartridge including a frame and sheet memb...

Cartridge including photosensitive drum and developing roller that...

Lubricant replacement case

Print powder reservoir sealed from atmosphere at lower pressure tha...

Cartridge including photosensitive drum and developing roller that...

Image forming apparatus

Cartridge including an image bearing member and developer bearing m...

Cartridge and method for manufacturing cartridge

Developing apparatus and image forming apparatus

Developing cartridge and drum cartridge configuration for mounting...

Image forming apparatus having a lubricant and developer of opposit...

Cartridge mountable to image forming apparatus

Cleaner assembly for removing waste toner in an electrophotographic...

Image forming apparatus performing toner purge processing

Image forming apparatus having a lubricant and developer of opposit...

Cartridge and image forming apparatus

Process cartridge and image forming apparatus

Cartridge provided with protection cover capable of protecting deve...

Developing cartridge and method for manufacturing the same

Developing cartridge and method for manufacturing the same

Image forming apparatus

Developing cartridge and method for manufacturing the same

Developing cartridge and method for manufacturing the same

Developing cartridge and method for manufacturing the same

Image carrier unit and image forming apparatus

Cartridge and image forming apparatus

Developing cartridge

Image forming apparatus with removably attached toner leakage preve...

Patents Applicationslast 30 patents

CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...

DEVELOPING CARTRIDGE

CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

PROCESS CARTRIDGE AND PROCESS CARTRIDGE SET

PROCESSING CARTRIDGE

CONDUCTIVE PART, PROCESS CARTRIDGE, AND PROCESS CARTRIDGE SET

CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

PROCESS CARTRIDGE AND DEVELOPING CARTRIDGE

CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...

CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...

CARTRIDGE INCLUDING AN IMAGE BEARING MEMBER AND DEVELOPER BEARING M...

Image Forming Apparatus to Which Developing Cartridge is Mountable

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE CARRIER UNIT AND IMAGE FORMING APPARATUS

Developing Cartridge and Method for Manufacturing the Same

Developing Cartridge and Method for Manufacturing the Same

Developing Cartridge and Method for Manufacturing the Same

Developing Cartridge and Method for Manufacturing the Same

Developing Cartridge and Method for Manufacturing the Same

Cartridge Detachably Mounted on Main Casing

CARTRIDGE AND IMAGE FORMING APPARATUS

Process Cartridge and Image Forming Apparatus

IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS HAVING THE SAME

ELECTROPHOTOGRAPHIC COLOR IMAGE FORMING APPARATUS

Image Forming Apparatus