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

Industry

CPC
G03G21/18

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Parent Industries

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

Current Industry

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

Industries

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Patents Grantslast 30 patents

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
Information Patent Grant
Toner cartridge latching
- Patent number 12,181,827
- Issue date Dec 31, 2024
- Lexmark International, Inc.
- Randal Scott Williamson
- 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
Image forming apparatus with repositionable shutter assembly
- Patent number 12,174,554
- Issue date Dec 24, 2024
- Toshiba Tec Kabushiki Kaisha
- Takuya Otsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer cartridge
- Patent number 12,174,557
- Issue date Dec 24, 2024
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- 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
Image forming apparatus including first process cartridge and secon...
- Patent number 12,169,386
- Issue date Dec 17, 2024
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic charge image developer, process cartridge, image form...
- Patent number 12,169,390
- Issue date Dec 17, 2024
- FUJIFILM Business Innovation Corp.
- Yasuo Kadokura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus provided with detachable processing unit
- Patent number 12,169,384
- Issue date Dec 17, 2024
- Canon Kabushiki Kaisha
- Kazuaki Nogami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge including memory holder cover having pawl engaged w...
- Patent number 12,164,263
- Issue date Dec 10, 2024
- Brother Kogyo Kabushiki Kaisha
- Ryuji Noda
- 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
Toner cartridge, toner supplying mechanism and shutter
- Patent number 12,164,259
- Issue date Dec 10, 2024
- Canon Kabushiki Kaisha
- Yosuke Kashiide
- 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
Process cartridge having a receptacle for developer replenishment
- Patent number 12,164,260
- Issue date Dec 10, 2024
- Canon Kabushiki Kaisha
- Takayuki Yada
- 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
Cleaning blade, lubricant leveling blade, process cartridge, and im...
- Patent number 12,153,372
- Issue date Nov 26, 2024
- Ricoh Company, Ltd.
- Masahiro Ohmori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

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
Information Patent Application
IMAGE FORMING APPARATUS MAIN ASSEMBLY AND IMAGE FORMING APPARATUS
- Publication number 20250004419
- Publication date Jan 2, 2025
- Canon Kabushiki Kaisha
- AKITOSHI TOYOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20250004416
- Publication date Jan 2, 2025
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hiroki Morishita
- 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
IMAGE FORMING APPARATUS
- Publication number 20250004420
- Publication date Jan 2, 2025
- KYOCERA DOCUMENT SOLUTIONS INC.
- Satoshi ANDO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240427285
- Publication date Dec 26, 2024
- Canon Kabushiki Kaisha
- Ryuji Hamasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20240427282
- Publication date Dec 26, 2024
- Canon Kabushiki Kaisha
- Akira Yoshimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE WITH TONER RECEIVING UNIT AT PIVOT AXIS OF DEVELO...
- Publication number 20240427283
- Publication date Dec 26, 2024
- Hewlett-Packard Development Company, L.P.
- Sanghoon LEE
- 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
IMAGE FORMING APPARATUS
- Publication number 20240419111
- Publication date Dec 19, 2024
- Canon Kabushiki Kaisha
- YUICHIRO HIRATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240419113
- Publication date Dec 19, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Fan XU
- 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

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

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

Toner cartridge latching

Process cartridge and image forming apparatus

Image forming apparatus with repositionable shutter assembly

Developer cartridge

Developing cartridge including movable shaft, and cam provided on s...

Image forming apparatus including first process cartridge and secon...

Electrostatic charge image developer, process cartridge, image form...

Image forming apparatus provided with detachable processing unit

Toner cartridge including memory holder cover having pawl engaged w...

Drum cartridge including drum contact movable in accordance with at...

Toner cartridge, toner supplying mechanism and shutter

Image forming apparatus including particularly arranged driving mec...

Process cartridge having a receptacle for developer replenishment

Cartridge and image forming apparatus

Cleaning blade, lubricant leveling blade, process cartridge, and im...

Patents Applicationslast 30 patents

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

IMAGE FORMING APPARATUS MAIN ASSEMBLY AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

PHOTOSENSITIVE MEMBER UNIT AND DEVELOPMENT UNIT

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE WITH TONER RECEIVING UNIT AT PIVOT AXIS OF DEVELO...

DRUM UNIT CAPABLE OF SUPPRESSING COMPLICATION OF WIRING

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, AND...