for electrically connecting the process cartridge to the apparatus, electrical connectors, power supply

Industry

CPC
G03G21/1867

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

G03G21/1867for electrically connecting the process cartridge to the apparatus, electrical connectors, power supply

Industries

Please log in for detailed analytics

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
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
- 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
Drum cartridge in which first storage medium of toner cartridge and...
- Patent number 12,339,617
- Issue date Jun 24, 2025
- Brother Kogyo Kabushiki Kaisha
- Masahito Saeki
- 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
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
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
Developing cartridge including electrically non-conductive collar c...
- Patent number 12,271,142
- Issue date Apr 8, 2025
- Brother Kogyo Kabushiki Kaisha
- Shuhei Hatano
- 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
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 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
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
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
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
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 supply contaner and mounting unit
- Patent number 12,130,568
- Issue date Oct 29, 2024
- Canon Kabushiki Kaisha
- Yukio Kubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Circuit board unit, attachment unit, and image forming apparatus
- Patent number 12,130,565
- Issue date Oct 29, 2024
- Ricoh Company, Ltd.
- Yuki Oshikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Developing cartridge including developing roller and coupling
- Patent number 12,092,992
- Issue date Sep 17, 2024
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge having drum cartridge and developing cartridge in...
- Patent number 12,085,891
- Issue date Sep 10, 2024
- Brother Kogyo Kabushiki Kaisha
- Koji Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Replaceable unit for an electrophotographic image forming device ha...
- Patent number 12,078,954
- Issue date Sep 3, 2024
- Lexmark International, Inc.
- Jeremy Keith Payne
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,066,784
- Issue date Aug 20, 2024
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum unit capable of suppressing complication of wiring
- Patent number 12,061,438
- Issue date Aug 13, 2024
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process unit including first and second resin materials and image f...
- Patent number 12,038,717
- Issue date Jul 16, 2024
- Canon Kabushiki Kaisha
- Yuichi Sakakibara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge having electrode
- Patent number 12,032,306
- Issue date Jul 9, 2024
- Brother Kogyo Kabushiki Kaisha
- Yasumasa Fujii
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Drum cartridge including electrical contact surface movable relativ...
- Patent number 12,025,948
- Issue date Jul 2, 2024
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including housing and gear
- Patent number 12,007,707
- Issue date Jun 11, 2024
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

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
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
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, 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
DEVELOPING CARTRIDGE PROVIDING LAYOUT OF ELECTRODES AND DETECTION GEAR
- Publication number 20250123591
- Publication date Apr 17, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Keita SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20250116964
- Publication date Apr 10, 2025
- Canon Kabushiki Kaisha
- TAKASHI TANEDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE
- Publication number 20250110444
- Publication date Apr 3, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CARTRIDGE
- Publication number 20250103001
- Publication date Mar 27, 2025
- Canon Kabushiki Kaisha
- KENJI MATSUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING SUPPLY ROLLER, LAYER THICKNESS REGUL...
- Publication number 20250102997
- Publication date Mar 27, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Atsushi FUKAYA
- 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
Information Patent Application
ELECTROPHOTOGRAPHIC ROLLER, DEVELOPING APPARATUS, ELECTROPHOTOGRAPH...
- Publication number 20250068122
- Publication date Feb 27, 2025
- Canon Kabushiki Kaisha
- Ryosuke TAKAYAMA
- 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
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
DEVELOPING CARTRIDGE INCLUDING DEVELOPING ROLLER AND COUPLING
- Publication number 20240419123
- Publication date Dec 19, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE
- Publication number 20240393740
- Publication date Nov 28, 2024
- Zhuhai Ninestar Information Technology Co., Ltd
- Hao YANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE
- Publication number 20240393741
- Publication date Nov 28, 2024
- Zhuhai Ninestar Information Technology Co., Ltd
- Wenjie ZHAO
- 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
DEVELOPING CARTRIDGE INCLUDING HOUSING AND GEAR
- Publication number 20240353775
- Publication date Oct 24, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING COUPLING MEMBER SELECTIVELY COUPL...
- Publication number 20240345537
- Publication date Oct 17, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Yasushi OKABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE POSITIONED AT O...
- Publication number 20240345538
- Publication date Oct 17, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Koji ABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE HAVING ELECTRODE
- Publication number 20240345503
- Publication date Oct 17, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Yasumasa Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE MOVABLE RELATIV...
- Publication number 20240319664
- Publication date Sep 26, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao ITABASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS UNIT INCLUDING FIRST AND SECOND RESIN MATERIALS AND IMAGE F...
- Publication number 20240319665
- Publication date Sep 26, 2024
- Canon Kabushiki Kaisha
- Yuichi Sakakibara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING PROCESS CARTRIDGE, AND TONER CART...
- Publication number 20240310754
- Publication date Sep 19, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240272575
- Publication date Aug 15, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE
- Publication number 20240272582
- Publication date Aug 15, 2024
- JIANGXI YIBO E-TECH CO. LTD.
- Xiaomin GONG
- 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
DEVELOPING CARTRIDGE INCLUDING ELECTRICALLY NON-CONDUCTIVE COLLAR C...
- Publication number 20240176280
- Publication date May 30, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Shuhei HATANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM CARTRIDGE INCLUDING MOVABLE ELECTRICAL CONTACT SURFACE, AND IM...
- Publication number 20240176286
- Publication date May 30, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

for electrically connecting the process cartridge to the apparatus, electrical connectors, power supply

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Drum cartridge including electrical contact surface movable relativ...

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

Process cartridge

Drum cartridge in which first storage medium of toner cartridge and...

Process cartridge

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

Image forming apparatus with detectable cartridge

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

Developing cartridge

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

Developing cartridge including electrically non-conductive collar c...

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

Cartridge, toner cartridge, and image forming apparatus

Developing cartridge providing layout of electrodes and detection gear

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

Developing cartridge having a lever movable relative to a casing

Image forming apparatus

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

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

Toner supply contaner and mounting unit

Circuit board unit, attachment unit, and image forming apparatus

Developing cartridge including developing roller and coupling

Process cartridge having drum cartridge and developing cartridge in...

Replaceable unit for an electrophotographic image forming device ha...

Image forming apparatus

Drum unit capable of suppressing complication of wiring

Process unit including first and second resin materials and image f...

Developing cartridge having electrode

Drum cartridge including electrical contact surface movable relativ...

Developing cartridge including housing and gear

Patents Applicationslast 30 patents

PROCESS CARTRIDGE

PROCESS CARTRIDGE

CARTRIDGE

PROCESS CARTRIDGE

CARTRIDGE, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPING CARTRIDGE PROVIDING LAYOUT OF ELECTRODES AND DETECTION GEAR

CARTRIDGE AND IMAGE FORMING APPARATUS

DEVELOPING CARTRIDGE

IMAGE FORMING APPARATUS AND CARTRIDGE

DEVELOPING CARTRIDGE INCLUDING SUPPLY ROLLER, LAYER THICKNESS REGUL...

DEVELOPING CARTRIDGE

ELECTROPHOTOGRAPHIC ROLLER, DEVELOPING APPARATUS, ELECTROPHOTOGRAPH...

TONER SUPPLY CONTANER AND MOUNTING UNIT

DRUM UNIT CAPABLE OF SUPPRESSING COMPLICATION OF WIRING

DEVELOPING CARTRIDGE INCLUDING DEVELOPING ROLLER AND COUPLING

DEVELOPING CARTRIDGE

DEVELOPING CARTRIDGE

CONDUCTIVE PART, PROCESS CARTRIDGE, AND PROCESS CARTRIDGE SET

DEVELOPING CARTRIDGE INCLUDING HOUSING AND GEAR

IMAGE FORMING APPARATUS INCLUDING COUPLING MEMBER SELECTIVELY COUPL...

DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE POSITIONED AT O...

DEVELOPING CARTRIDGE HAVING ELECTRODE

DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE MOVABLE RELATIV...

PROCESS UNIT INCLUDING FIRST AND SECOND RESIN MATERIALS AND IMAGE F...

IMAGE FORMING APPARATUS INCLUDING PROCESS CARTRIDGE, AND TONER CART...

IMAGE FORMING APPARATUS

PROCESS CARTRIDGE

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

DEVELOPING CARTRIDGE INCLUDING ELECTRICALLY NON-CONDUCTIVE COLLAR C...

DRUM CARTRIDGE INCLUDING MOVABLE ELECTRICAL CONTACT SURFACE, AND IM...