Cartridge systems

Industry

CPC
G03G2221/18

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Parent Industries

GPHYSICS G03Photography G03GELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY G03G2221/00Processes not provided for by group G03G2215/00

Current Industry

G03G2221/18Cartridge systems

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Drum cartridge including electrical contact surface movable relativ...
- Patent number 12,366,821
- Issue date Jul 22, 2025
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, process cartridge, and image for...
- Patent number 12,360,492
- Issue date Jul 15, 2025
- FUJIFILM Business Innovation Corp.
- Yuki Yonetoku
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge having support frame with passage opening, develo...
- Patent number 12,353,163
- Issue date Jul 8, 2025
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- 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
Process cartridge with toner receiving unit along pivot axis of dev...
- Patent number 12,346,058
- Issue date Jul 1, 2025
- Hewlett-Packard Development Company, L.P.
- Sanghoon Lee
- 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
Image forming apparatus
- Patent number 12,339,615
- Issue date Jun 24, 2025
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- 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
Drum cartridge including electrical contact surface positioned at o...
- Patent number 12,314,002
- Issue date May 27, 2025
- Brother Kogyo Kabushiki Kaisha
- Koji Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Image-forming apparatus provided with mechanism for opening and clo...
- Patent number 12,298,691
- Issue date May 13, 2025
- Brother Kogyo Kabushiki Kaisha
- Saya Minoshima
- 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 having photoconductor unit with removable d...
- Patent number 12,292,712
- Issue date May 6, 2025
- Canon Kabushiki Kaisha
- Hirotaka Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including photoconductive drum, developing roller, memory...
- Patent number 12,282,283
- Issue date Apr 22, 2025
- Brother Kogyo Kabushiki Kaisha
- Masahiro Ishii
- 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
Method of continuing use of a contract cartridge at an image formin...
- Patent number 12,242,211
- Issue date Mar 4, 2025
- Brother Kogyo Kabushiki Kaisha
- Takashi Suzuki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Cartridge including holder that holds electrical contact surface an...
- Patent number 12,242,213
- Issue date Mar 4, 2025
- Brother Kogyo Kabushiki Kaisha
- Shinya Kusuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including a memory mounting portion and image forming app...
- Patent number 12,242,224
- Issue date Mar 4, 2025
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Replacing photoconductor drums associated with image forming appara...
- Patent number 12,235,603
- Issue date Feb 25, 2025
- Toshiba Tec Kabushiki Kaisha
- Yasunari Miyazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus with a transfer device
- Patent number 12,222,672
- Issue date Feb 11, 2025
- Canon Kabushiki Kaisha
- Chikara Imaizumi
- 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
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
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
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
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
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
Image-forming device having guide to guide drawer supporting develo...
- Patent number 12,174,581
- Issue date Dec 24, 2024
- Brother Kogyo Kabushiki Kaisha
- Motoaki Mushika
- 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
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

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
HOLD DOWN ASSEMBLY FOR A DEVELOPER UNIT OF AN IMAGE FORMING DEVICE
- Publication number 20250231518
- Publication date Jul 17, 2025
- Lexmark International, Inc.
- BRIAN LESTER BOETTCHER
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND NON-TRANSITORY COMPUTER READABLE STORAG...
- Publication number 20250208564
- Publication date Jun 26, 2025
- FUJIFILM Business Innovation Corp.
- Muneyuki NISHIMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
- Publication number 20250208527
- Publication date Jun 26, 2025
- Canon Kabushiki Kaisha
- NAO HIGUCHI
- 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
IMAGE FORMING APPARATUS PERFORMING REWRITING PROCESS TO REWRITE IDE...
- Publication number 20250189907
- Publication date Jun 12, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Takashi SUZUKI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
CARTRIDGE INCLUDING HOLDER THAT HOLDS ELECTRICAL CONTACT SURFACE AN...
- Publication number 20250181012
- Publication date Jun 5, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Shinya KUSUDA
- 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
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
PROCESS CARTRIDGE
- Publication number 20250164925
- Publication date May 22, 2025
- Canon Kabushiki Kaisha
- SOICHI ISHII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING A MEMORY MOUNTING PORTION AND IMAGE FORMING APP...
- Publication number 20250164928
- Publication date May 22, 2025
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
- Publication number 20250155831
- Publication date May 15, 2025
- Canon Kabushiki Kaisha
- MASAYUKI SHINOZUKA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
GREEN TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT, ELECTROSTAT...
- Publication number 20250155832
- Publication date May 15, 2025
- FUJIFILM Business Innovation Corp.
- Kotaro Yoshihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
- Publication number 20250138443
- Publication date May 1, 2025
- Canon Kabushiki Kaisha
- KOJI TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20250138475
- Publication date May 1, 2025
- Canon Kabushiki Kaisha
- YOSUKE KASHIIDE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20250138473
- Publication date May 1, 2025
- Canon Kabushiki Kaisha
- KENJI MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20250138474
- Publication date May 1, 2025
- Canon Kabushiki Kaisha
- Akira Yoshimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CARTRIDGE INCLUDING MEMORY HOLDER COVER HAVING PAWL ENGAGED W...
- Publication number 20250130528
- Publication date Apr 24, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Ryuji NODA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CARTRIDGE
- Publication number 20250130517
- Publication date Apr 24, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS HAVING A DRAWER
- Publication number 20250110446
- Publication date Apr 3, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FOR...
- Publication number 20250102932
- Publication date Mar 27, 2025
- FUJIFILM Business Innovation Corp.
- Yoshio TOBATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20250102994
- Publication date Mar 27, 2025
- Canon Kabushiki Kaisha
- HIDETO CHINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20250103000
- Publication date Mar 27, 2025
- Canon Kabushiki Kaisha
- Toshiki Fujino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FOR...
- Publication number 20250102931
- Publication date Mar 27, 2025
- FUJIFILM Business Innovation Corp.
- Masahiro IWASAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FOR...
- Publication number 20250102933
- Publication date Mar 27, 2025
- FUJIFILM Business Innovation Corp.
- Yuki OYAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FOR...
- Publication number 20250102930
- Publication date Mar 27, 2025
- FUJIFILM Business Innovation Corp.
- Keisuke KUSANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD OF PRODUCING ELECTROPHOTO...
- Publication number 20250102934
- Publication date Mar 27, 2025
- FUJIFILM Business Innovation Corp.
- Yohei SAITO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROSTATIC IMAGE DEVELOPING TONER SET, ELECTROSTATIC IMAGE DEVEL...
- Publication number 20250102942
- Publication date Mar 27, 2025
- FUJIFILM Business Innovation Corp.
- Yukiaki NAKAMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FOR...
- Publication number 20250093790
- Publication date Mar 20, 2025
- FUJIFILM Business Innovation Corp.
- Masahiro IWASAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE
- Publication number 20250085663
- Publication date Mar 13, 2025
- ZHUHAI UN-TERN IMAGING PRODUCTS CO., LTD
- WUGANG TAN
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Cartridge systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Drum cartridge including electrical contact surface movable relativ...

Electrophotographic photoreceptor, process cartridge, and image for...

Process cartridge having support frame with passage opening, develo...

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

Process cartridge with toner receiving unit along pivot axis of dev...

Image forming apparatus including detachable process cartridge havi...

Image forming apparatus

Process cartridge

Drum cartridge including electrical contact surface positioned at o...

Cartridge including photosensitive drum and developing roller that...

Image-forming apparatus provided with mechanism for opening and clo...

Image forming apparatus with detectable cartridge

Image forming apparatus having photoconductor unit with removable d...

Cartridge including photoconductive drum, developing roller, memory...

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

Method of continuing use of a contract cartridge at an image formin...

Cartridge including holder that holds electrical contact surface an...

Cartridge including a memory mounting portion and image forming app...

Replacing photoconductor drums associated with image forming appara...

Image forming apparatus with a transfer device

Image forming apparatus and process cartridge including protrusion...

Cartridge, toner cartridge, and image forming apparatus

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

Image forming apparatus having a drawer

Method for error handling in the toner refill process

Printer

Image-forming device having guide to guide drawer supporting develo...

Developer cartridge

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

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

Patents Applicationslast 30 patents

CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...

HOLD DOWN ASSEMBLY FOR A DEVELOPER UNIT OF AN IMAGE FORMING DEVICE

IMAGE FORMING APPARATUS AND NON-TRANSITORY COMPUTER READABLE STORAG...

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

CARTRIDGE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS PERFORMING REWRITING PROCESS TO REWRITE IDE...

CARTRIDGE INCLUDING HOLDER THAT HOLDS ELECTRICAL CONTACT SURFACE AN...

PROCESS CARTRIDGE

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE

CARTRIDGE INCLUDING A MEMORY MOUNTING PORTION AND IMAGE FORMING APP...

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

GREEN TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT, ELECTROSTAT...

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

CARTRIDGE, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS

CARTRIDGE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

TONER CARTRIDGE INCLUDING MEMORY HOLDER COVER HAVING PAWL ENGAGED W...

DEVELOPER CARTRIDGE

IMAGE FORMING APPARATUS HAVING A DRAWER

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

IMAGE FORMING APPARATUS

CARTRIDGE AND IMAGE FORMING APPARATUS

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

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

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

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD OF PRODUCING ELECTROPHOTO...

ELECTROSTATIC IMAGE DEVELOPING TONER SET, ELECTROSTATIC IMAGE DEVEL...

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

DEVELOPING CARTRIDGE