for the developer unit

Industry

CPC
G03G21/1676

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Parent Industries

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

Current Industry

G03G21/1676for the developer unit

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Developing cartridge including first frame supporting developing ro...
- Patent number 12,216,429
- Issue date Feb 4, 2025
- Brother Kogyo Kabushiki Kaisha
- Koji Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Developer accommodating device, developing device, cartridge and im...
- Patent number 12,204,263
- Issue date Jan 21, 2025
- Canon Kabushiki Kaisha
- Naoya Asanuma
- 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
Developer supply container and developer supplying system
- Patent number 12,204,272
- Issue date Jan 21, 2025
- Canon Kabushiki Kaisha
- Yohei Gamo
- 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 including adjusting member that adjusts cle...
- Patent number 12,197,164
- Issue date Jan 14, 2025
- Kyocera Document Solutions Inc.
- Hayato Mori
- 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
Powder container coupling mechanism
- Patent number 12,197,146
- Issue date Jan 14, 2025
- General Plastics Industrial Co., Ltd.
- Chuang Chin His
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,197,166
- Issue date Jan 14, 2025
- Brother Kogyo Kabushiki Kaisha
- Kazutoshi Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,197,165
- Issue date Jan 14, 2025
- Kyocera Document Solutions Inc.
- Hirotaka Ishida
- 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
Developing cartridge
- Patent number 12,181,806
- Issue date Dec 31, 2024
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- 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
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
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
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 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
Image forming apparatus including retractable exposure portion
- Patent number 12,164,240
- Issue date Dec 10, 2024
- Canon Kabushiki Kaisha
- Ryoichi Kawasumi
- G06 - COMPUTING CALCULATING COUNTING
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
Electrophotographic image forming apparatus, developing apparatus,...
- Patent number 12,153,374
- Issue date Nov 26, 2024
- Canon Kabushiki Kaisha
- Masanari Morioka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Developing cartridge including casing and first and second agitator...
- Patent number 12,147,171
- Issue date Nov 19, 2024
- Brother Kogyo Kabushiki Kaisha
- Kazuaki Ooka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device
- Patent number 12,147,189
- Issue date Nov 19, 2024
- Brother Kogyo Kabushiki Kaisha
- Kazuna Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having development cartridge movable by cam
- Patent number 12,147,186
- Issue date Nov 19, 2024
- Brother Kogyo Kabushiki Kaisha
- Yusuke Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus provided with contacting-separating member...
- Patent number 12,147,187
- Issue date Nov 19, 2024
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus provided with detachable processing unit
- Patent number 12,140,901
- Issue date Nov 12, 2024
- Canon Kabushiki Kaisha
- Kazuaki Nogami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge having front cover
- Patent number 12,135,521
- Issue date Nov 5, 2024
- Hewlett-Packard Development Company, L.P.
- Jeonghyun Lee
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,130,578
- Issue date Oct 29, 2024
- Kyocera Document Solutions Inc.
- Masahiko Mizuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge and drum unit for electrophotographic image forming appar...
- Patent number 12,130,579
- Issue date Oct 29, 2024
- Canon Kabushiki Kaisha
- Shigemi Kamoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
TONER CONTAINER HAVING A SHUTTER LOCK MECHANISM
- Publication number 20250044722
- Publication date Feb 6, 2025
- Lexmark International, Inc.
- EMILY STEFANO ADAMS
- 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
IMAGE FORMING APPARATUS
- Publication number 20250036071
- Publication date Jan 30, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Yusuke Ikegami
- 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
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 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
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
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
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
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
TONER ACCOMMODATING CONTAINER
- Publication number 20240411244
- Publication date Dec 12, 2024
- Canon Kabushiki Kaisha
- MASATAKE TANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS INCLUDING A RECESSED BACKGROU...
- Publication number 20240411263
- Publication date Dec 12, 2024
- Canon Kabushiki Kaisha
- Yusaku MAKINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER HAVING ELECTRICAL CONNECTORS OF DIFFERENT POSITIONS
- Publication number 20240402645
- Publication date Dec 5, 2024
- Lexmark International, Inc.
- EMILY STEFANO ADAMS
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING DEVICE AND PROCESS CARTRIDGE THEREFOR
- Publication number 20240361726
- Publication date Oct 31, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Shougo SATO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20240361723
- Publication date Oct 31, 2024
- Canon Kabushiki Kaisha
- SOHTA SUGIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS THAT COOLS AN EXPOSURE DEVICE
- Publication number 20240353773
- Publication date Oct 24, 2024
- Canon Kabushiki Kaisha
- Ryoichi KAWASUMI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20240353790
- Publication date Oct 24, 2024
- Canon Kabushiki Kaisha
- Ken Kikuchi
- 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
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
DEVELOPING CARTRIDGE
- Publication number 20240345535
- Publication date Oct 17, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Takeyuki TAKAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING DUCT STRUCTURE THAT SUPPORTS LIGH...
- Publication number 20240345502
- Publication date Oct 17, 2024
- Canon Kabushiki Kaisha
- RYOICHI KAWASUMI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
DEVELOPING CARTRIDGE
- Publication number 20240329561
- Publication date Oct 3, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM
- Publication number 20240329593
- Publication date Oct 3, 2024
- Canon Kabushiki Kaisha
- Ayatomo Okino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20240329594
- Publication date Oct 3, 2024
- FUJIFILM Business Innovation Corp.
- Yasuhisa Gonda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE HAVING COUPLING AND DEVELOPING ROLLER
- Publication number 20240329563
- Publication date Oct 3, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao ITABASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE
- Publication number 20240319633
- Publication date Sep 26, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER LATCHING
- Publication number 20240310778
- Publication date Sep 19, 2024
- Lexmark International, Inc.
- EMILY STEFANO ADAMS
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CARTRIDGE
- Publication number 20240288795
- Publication date Aug 29, 2024
- NINESTAR CORPORATION
- Qin LUO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

for the developer unit

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Developing cartridge including first frame supporting developing ro...

Process cartridge, image forming apparatus and toner storage unit

Developer accommodating device, developing device, cartridge and im...

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

Developer supply container and developer supplying system

Developing cartridge having a lever movable relative to a casing

Image forming apparatus including adjusting member that adjusts cle...

Developing cartridge including shaft and cam having cam surface

Powder container coupling mechanism

Image forming apparatus

Image forming apparatus

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

Developing cartridge

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

Toner cartridge latching

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

Developer cartridge

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

Image forming apparatus provided with detachable processing unit

Image forming apparatus including retractable exposure portion

Toner cartridge, toner supplying mechanism and shutter

Electrophotographic image forming apparatus, developing apparatus,...

Developing cartridge including casing and first and second agitator...

Image forming device

Image forming apparatus having development cartridge movable by cam

Image forming apparatus provided with contacting-separating member...

Image forming apparatus provided with detachable processing unit

Toner cartridge having front cover

Image forming apparatus

Cartridge and drum unit for electrophotographic image forming appar...

Patents Applicationslast 30 patents

TONER CONTAINER HAVING A SHUTTER LOCK MECHANISM

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, DEVELOPING APPARATUS,...

IMAGE FORMING APPARATUS PROVIDED WITH DETACHABLE PROCESSING UNIT

IMAGE FORMING APPARATUS

DEVELOPING CARTRIDGE

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

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

IMAGE FORMING DEVICE

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

DEVELOPING CARTRIDGE INCLUDING DEVELOPING ROLLER AND COUPLING

TONER ACCOMMODATING CONTAINER

CARTRIDGE AND IMAGE FORMING APPARATUS INCLUDING A RECESSED BACKGROU...

TONER CONTAINER HAVING ELECTRICAL CONNECTORS OF DIFFERENT POSITIONS

IMAGE FORMING DEVICE AND PROCESS CARTRIDGE THEREFOR

CARTRIDGE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS THAT COOLS AN EXPOSURE DEVICE

DEVELOPING CARTRIDGE INCLUDING HOUSING AND GEAR

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...

DEVELOPING CARTRIDGE HAVING ELECTRODE

DEVELOPING CARTRIDGE

IMAGE FORMING APPARATUS INCLUDING DUCT STRUCTURE THAT SUPPORTS LIGH...

DEVELOPING CARTRIDGE

DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING CARTRIDGE HAVING COUPLING AND DEVELOPING ROLLER

DEVELOPING CARTRIDGE

TONER CONTAINER LATCHING

TONER CARTRIDGE