using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit

Industry

CPC
G03G21/18

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

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

Current Industry

G03G21/18using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit

Industries

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus
- Patent number 12,228,865
- Issue date Feb 18, 2025
- Canon Kabushiki Kaisha
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 12,228,879
- Issue date Feb 18, 2025
- Brother Kogyo Kabushiki Kaisha
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 12,228,877
- Issue date Feb 18, 2025
- Canon Kabushiki Kaisha
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum cartridge and developing cartridge capable of suppressing vari...
- Patent number 12,228,878
- Issue date Feb 18, 2025
- Brother Kogyo Kabushiki Kaisha
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, process cartridge, image forming apparatus, and i...
- Patent number 12,228,881
- Issue date Feb 18, 2025
- Ricoh Company, Ltd.
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge including protrusion...
- Patent number 12,222,673
- Issue date Feb 11, 2025
- Canon Kabushiki Kaisha
- Akira Yoshimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Component movement mechanism for an image forming apparatus
- Patent number 12,222,662
- Issue date Feb 11, 2025
- Brother Kogyo Kabushiki Kaisha
- Yoh Nishimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, toner cartridge, and image forming apparatus
- Patent number 12,222,674
- Issue date Feb 11, 2025
- Canon Kabushiki Kaisha
- Yosuke Kashiide
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus having regulating blade with specific surface...
- Patent number 12,222,661
- Issue date Feb 11, 2025
- Canon Kabushiki Kaisha
- Yosuke Kishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge
- Patent number 12,216,430
- Issue date Feb 4, 2025
- Brother Kogyo Kabushiki Kaisha
- Yasutada Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including plurality of stations providing i...
- Patent number 12,210,309
- Issue date Jan 28, 2025
- Canon Kabushiki Kaisha
- Shigeharu Kurita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Process cartridge, image forming apparatus and toner storage unit
- Patent number 12,210,313
- Issue date Jan 28, 2025
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including movable plate for moving holder hold...
- Patent number 12,210,300
- Issue date Jan 28, 2025
- Brother Kogyo Kabushiki Kaisha
- Naoya Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including movable drawer having guide surfa...
- Patent number 12,210,314
- Issue date Jan 28, 2025
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, attachment and mounting kit
- Patent number 12,210,311
- Issue date Jan 28, 2025
- Canon Kabushiki Kaisha
- Goshi Ozaki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Developing cartridge providing layout of electrodes and detection gear
- Patent number 12,204,275
- Issue date Jan 21, 2025
- Brother Kogyo Kabushiki Kaisha
- Keita Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including supply roller, layer thickness regul...
- Patent number 12,204,274
- Issue date Jan 21, 2025
- Brother Kogyo Kabushiki Kaisha
- Atsushi Fukaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and image forming apparatus including a recessed backgrou...
- Patent number 12,204,271
- Issue date Jan 21, 2025
- Canon Kabushiki Kaisha
- Yusaku Makino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge having a lever movable relative to a casing
- Patent number 12,204,273
- Issue date Jan 21, 2025
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including shaft and cam having cam surface
- Patent number 12,197,168
- Issue date Jan 14, 2025
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a drawer
- Patent number 12,189,332
- Issue date Jan 7, 2025
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Positioning member, holding device, process cartridge, and image fo...
- Patent number 12,189,331
- Issue date Jan 7, 2025
- Ricoh Company, Ltd.
- Kazuki Yogosawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for error handling in the toner refill process
- Patent number 12,181,805
- Issue date Dec 31, 2024
- Hewlett-Packard Development Company, L.P.
- Mok-Hwa Lim
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image-forming apparatus provided with urging member for urging proc...
- Patent number 12,181,829
- Issue date Dec 31, 2024
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
- Patent number 12,181,832
- Issue date Dec 31, 2024
- Canon Kabushiki Kaisha
- Koji Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Printer
- Patent number 12,181,825
- Issue date Dec 31, 2024
- Brother Kogyo Kabushiki Kaisha
- Hiroyuki Shingai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Image forming apparatus
- Patent number 12,181,830
- Issue date Dec 31, 2024
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Logic circuitry packages for replaceable print apparatus components
- Patent number 12,182,281
- Issue date Dec 31, 2024
- Hewlett-Packard Development Company, L.P.
- Jefferson P. Ward
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS INCLUDING FIRST PROCESS CARTRIDGE AND SECON...
- Publication number 20250053134
- Publication date Feb 13, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
STORAGE ASSEMBLY AND MOUNTABLE UNIT
- Publication number 20250053116
- Publication date Feb 13, 2025
- JIANGXI YIBO E-TECH CO. LTD.
- Shiping AO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE-FORMING APPARATUS INCLUDING MECHANISM FOR MAINTAINING OPENING...
- Publication number 20250044735
- Publication date Feb 6, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Saya MINOSHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, DEVELOPING APPARATUS,...
- Publication number 20250044736
- Publication date Feb 6, 2025
- Canon Kabushiki Kaisha
- Masanari Morioka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
IMAGE FORMING APPARATUS PROVIDED WITH DETACHABLE PROCESSING UNIT
- Publication number 20250036069
- Publication date Jan 30, 2025
- Canon Kabushiki Kaisha
- Kazuaki Nogami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
- Publication number 20250036073
- Publication date Jan 30, 2025
- KYOCERA DOCUMENT SOLUTIONS INC.
- Ryohei YAMASAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC PHOTOCONDUC...
- Publication number 20250036035
- Publication date Jan 30, 2025
- MITSUBISHI CHEMICAL CORPORATION
- Tsukasa HASEGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Process Unit
- Publication number 20250036074
- Publication date Jan 30, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Masatoshi SHIRAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING DRUM CARTRIDGE AND TONER CARTRIDG...
- Publication number 20250036075
- Publication date Jan 30, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE POSITIONE...
- Publication number 20250036043
- Publication date Jan 30, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Saya MINOSHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, METHOD FOR CONTROLLING THE SAME, AND STORA...
- Publication number 20250036060
- Publication date Jan 30, 2025
- Canon Kabushiki Kaisha
- JUN MIYAJIMA
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
CHIP AND SUPPLY ITEM FOR IMAGING DEVICE, INCLUDING COMMUNICATION
- Publication number 20250030809
- Publication date Jan 23, 2025
- Lexmark International, Inc.
- STEPHEN PORTER BUSH
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PRESSING MECHANISM, A PROCESS CARTRIDGE, AND AN IMAGE FORMING APPAR...
- Publication number 20250021045
- Publication date Jan 16, 2025
- Hiroshi FUJIWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ADAPTER, CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20250021046
- Publication date Jan 16, 2025
- ZHUHAI PANTUM ELECTRONICS CO., LTD.
- Shujia HOU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20250021040
- Publication date Jan 16, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Mikio Inuzuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POSITIONING ADAPTER, ADAPTER, AND CARTRIDGE
- Publication number 20250021047
- Publication date Jan 16, 2025
- ZHUHAI PANTUM ELECTRONICS CO., LTD.
- Feng CHEN
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHIP AND SUPPLY ITEM FOR IMAGING DEVICE, INCLUDING COMMUNICATION
- Publication number 20250023999
- Publication date Jan 16, 2025
- Lexmark International, Inc.
- STEPHEN PORTER BUSH
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ADAPTER, CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20250021048
- Publication date Jan 16, 2025
- ZHUHAI PANTUM ELECTRONICS CO., LTD.
- Feng CHEN
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
FOREIGN SUBSTANCE COLLECTION APPARATUS, PROCESS CARTRIDGE, AND IMAG...
- Publication number 20250013184
- Publication date Jan 9, 2025
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE
- Publication number 20250013189
- Publication date Jan 9, 2025
- E-Z INK TECHNOLOGY CO., LTD
- Yu ZHU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING PROCESS CARTRIDGE PROVIDED WITH T...
- Publication number 20250013190
- Publication date Jan 9, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Shougo SATO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND DRUM UNIT FOR ELECTROPHOTOGRAPHIC IMAGE FORMING APPAR...
- Publication number 20250013188
- Publication date Jan 9, 2025
- Canon Kabushiki Kaisha
- Shigemi Kamoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE HAVING ELECTRODE CONTACTABLE WITH ANOTHER ELEC...
- Publication number 20250013165
- Publication date Jan 9, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE
- Publication number 20250013194
- Publication date Jan 9, 2025
- Zhuhai Ninestar Information Technology Co., Ltd
- Baosheng ZHONG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING DEVICE
- Publication number 20250013193
- Publication date Jan 9, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuna TAGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING HOLDER THAT FACILITATES RECYCLING OF STORAGE ME...
- Publication number 20250013187
- Publication date Jan 9, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Kenta TOSUJI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING CASING, AND FIRST LEVER PIVOTALLY MO...
- Publication number 20250013191
- Publication date Jan 9, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Shuhei HATANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20250013192
- Publication date Jan 9, 2025
- Canon Kabushiki Kaisha
- ISAO KOISHI
- 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

using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Image forming apparatus

Image forming apparatus

Process cartridge and image forming apparatus

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

Toner, developer, process cartridge, image forming apparatus, and i...

Image forming apparatus and process cartridge including protrusion...

Component movement mechanism for an image forming apparatus

Cartridge, toner cartridge, and image forming apparatus

Developing apparatus having regulating blade with specific surface...

Image forming apparatus and process cartridge

Image forming apparatus including plurality of stations providing i...

Process cartridge, image forming apparatus and toner storage unit

Developing cartridge including movable plate for moving holder hold...

Image forming apparatus including movable drawer having guide surfa...

Cartridge, attachment and mounting kit

Developing cartridge providing layout of electrodes and detection gear

Developing cartridge including supply roller, layer thickness regul...

Cartridge and image forming apparatus including a recessed backgrou...

Developing cartridge having a lever movable relative to a casing

Developing cartridge including shaft and cam having cam surface

Image forming apparatus having a drawer

Image forming apparatus

Positioning member, holding device, process cartridge, and image fo...

Method for error handling in the toner refill process

Image-forming apparatus provided with urging member for urging proc...

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

Printer

Developing cartridge with housing having a driving side and an oppo...

Image forming apparatus

Logic circuitry packages for replaceable print apparatus components

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS INCLUDING FIRST PROCESS CARTRIDGE AND SECON...

STORAGE ASSEMBLY AND MOUNTABLE UNIT

IMAGE-FORMING APPARATUS INCLUDING MECHANISM FOR MAINTAINING OPENING...

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, DEVELOPING APPARATUS,...

IMAGE FORMING APPARATUS PROVIDED WITH DETACHABLE PROCESSING UNIT

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

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC PHOTOCONDUC...

Process Unit

IMAGE FORMING APPARATUS INCLUDING DRUM CARTRIDGE AND TONER CARTRIDG...

DEVELOPING CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE POSITIONE...

IMAGE FORMING APPARATUS, METHOD FOR CONTROLLING THE SAME, AND STORA...

CHIP AND SUPPLY ITEM FOR IMAGING DEVICE, INCLUDING COMMUNICATION

PRESSING MECHANISM, A PROCESS CARTRIDGE, AND AN IMAGE FORMING APPAR...

ADAPTER, CARTRIDGE, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

POSITIONING ADAPTER, ADAPTER, AND CARTRIDGE

CHIP AND SUPPLY ITEM FOR IMAGING DEVICE, INCLUDING COMMUNICATION

ADAPTER, CARTRIDGE, AND IMAGE FORMING APPARATUS

TONER SUPPLY CONTANER AND MOUNTING UNIT

FOREIGN SUBSTANCE COLLECTION APPARATUS, PROCESS CARTRIDGE, AND IMAG...

DEVELOPING CARTRIDGE

IMAGE FORMING APPARATUS INCLUDING PROCESS CARTRIDGE PROVIDED WITH T...

CARTRIDGE AND DRUM UNIT FOR ELECTROPHOTOGRAPHIC IMAGE FORMING APPAR...

DEVELOPING CARTRIDGE HAVING ELECTRODE CONTACTABLE WITH ANOTHER ELEC...

PROCESS CARTRIDGE

IMAGE FORMING DEVICE

CARTRIDGE INCLUDING HOLDER THAT FACILITATES RECYCLING OF STORAGE ME...

DEVELOPING CARTRIDGE INCLUDING CASING, AND FIRST LEVER PIVOTALLY MO...

CARTRIDGE AND IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS