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
Developer supply container and developer supplying system
- Patent number 12,360,490
- Issue date Jul 15, 2025
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge
- Patent number 12,360,477
- Issue date Jul 15, 2025
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming system
- Patent number 12,346,041
- Issue date Jul 1, 2025
- Canon Kabushiki Kaisha
- Shinjiro Toba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,339,603
- Issue date Jun 24, 2025
- Ricoh Company, Ltd.
- Yuki Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device
- Patent number 12,332,597
- Issue date Jun 17, 2025
- Canon Kabushiki Kaisha
- Go Katsumata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and method of agitating initial developer inside...
- Patent number 12,326,674
- Issue date Jun 10, 2025
- Canon Kabushiki Kaisha
- Koshin Sekiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge having coupling and developing roller
- Patent number 12,321,110
- Issue date Jun 3, 2025
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Latching assembly for a toner container
- Patent number 12,321,126
- Issue date Jun 3, 2025
- Lexmark International, Inc.
- Emily Stefano Adams
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 12,313,988
- Issue date May 27, 2025
- FUJIFILM Business Innovation Corp.
- Arichika Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge having electrode
- Patent number 12,313,983
- Issue date May 27, 2025
- Brother Kogyo Kabushiki Kaisha
- Yasumasa Fujii
- 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
Electrophotographic image forming apparatus, developing apparatus,...
- Patent number 12,298,704
- Issue date May 13, 2025
- Canon Kabushiki Kaisha
- Masanari Morioka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Image forming apparatus
- Patent number 12,292,701
- Issue date May 6, 2025
- Brother Kogyo Kabushiki Kaisha
- Hideshi Nishiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Information processing apparatus and image forming apparatus with a...
- Patent number 12,282,280
- Issue date Apr 22, 2025
- Canon Kabushiki Kaisha
- Takeshi Matsumura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supply container and developer supplying system
- Patent number 12,282,287
- Issue date Apr 22, 2025
- Canon Kabushiki Kaisha
- Manabu Jimba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container latching
- Patent number 12,276,934
- Issue date Apr 15, 2025
- Lexmark International, Inc.
- Emily Stefano Adams
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device
- Patent number 12,276,935
- Issue date Apr 15, 2025
- Canon Kabushiki Kaisha
- Tomohiro Shiomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Waste toner container, manufacturing method, and image forming appa...
- Patent number 12,271,122
- Issue date Apr 8, 2025
- Konica Minolta, Inc.
- Madoka Okabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,271,141
- Issue date Apr 8, 2025
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- 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
Image forming apparatus
- Patent number 12,271,145
- Issue date Apr 8, 2025
- Brother Kogyo Kabushiki Kaisha
- Masao Ichiyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,259,677
- Issue date Mar 25, 2025
- Canon Kabushiki Kaisha
- Shingo Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a memory positioned on a drum frame
- Patent number 12,242,220
- Issue date Mar 4, 2025
- Brother Kogyo Kabushiki Kaisha
- Junichi Yokoi
- 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
Image forming apparatus including developing device supporting stru...
- Patent number 12,235,605
- Issue date Feb 25, 2025
- Brother Kogyo Kabushiki Kaisha
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge including conveyer member rotatable about axis insi...
- Patent number 12,228,867
- Issue date Feb 18, 2025
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- 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
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

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
IMAGE FORMING APPARATUS
- Publication number 20250231504
- Publication date Jul 17, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Hideshi NISHIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
INFORMATION PROCESSING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20250216808
- Publication date Jul 3, 2025
- Canon Kabushiki Kaisha
- Takeshi Matsumura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20250199437
- Publication date Jun 19, 2025
- Canon Kabushiki Kaisha
- SHUMA HIASA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING FIRST FRAME SUPPORTING DEVELOPING RO...
- Publication number 20250199459
- Publication date Jun 19, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Koji ABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING DEVELOPING DEVICE SUPPORTING STRU...
- Publication number 20250181024
- Publication date Jun 5, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Shougo Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE
- Publication number 20250181026
- Publication date Jun 5, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, IMAGE FORMING APPARATUS, AND METHOD FOR MANUFACTU...
- Publication number 20250172888
- Publication date May 29, 2025
- Shuntaro TAMAKI
- 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
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20250164922
- Publication date May 22, 2025
- Sharp Kabushiki Kaisha
- HIDEAKI KURIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20250147461
- Publication date May 8, 2025
- Canon Kabushiki Kaisha
- Naoki Matsumaru
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Component Movement Mechanism for an Image Forming Apparatus
- Publication number 20250130516
- Publication date Apr 24, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Yoh NISHIMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND TONER STORAGE UNIT
- Publication number 20250130526
- Publication date Apr 24, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Shougo SATO
- 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
DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM
- Publication number 20250116962
- Publication date Apr 10, 2025
- Canon Kabushiki Kaisha
- Manabu Jimba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM
- Publication number 20250116959
- Publication date Apr 10, 2025
- Canon Kabushiki Kaisha
- Yohei Gamo
- 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
DEVELOPING CARTRIDGE INCLUDING CASING AND FIRST AND SECOND AGITATOR...
- Publication number 20250110422
- Publication date Apr 3, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Kazuaki Ooka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20250102996
- Publication date Mar 27, 2025
- Canon Kabushiki Kaisha
- Hiroaki Nosho
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20250102959
- Publication date Mar 27, 2025
- FUJIFILM Business Innovation Corp.
- Arichika TANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING MOVABLE SHAFT, AND CAM PROVIDED ON S...
- Publication number 20250093812
- Publication date Mar 20, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CARTRIDGE LATCHING
- Publication number 20250085657
- Publication date Mar 13, 2025
- Lexmark International, Inc.
- RANDAL SCOTT WILLIAMSON
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING AGENT CONTAINER AND IMAGING DEVICE
- Publication number 20250076809
- Publication date Mar 6, 2025
- Guangzhou Zhono Microelectronics Co., Ltd.
- Famiao CHEN
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING RETRACTABLE EXPOSURE PORTION
- Publication number 20250060688
- Publication date Feb 20, 2025
- Canon Kabushiki Kaisha
- RYOICHI KAWASUMI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DEVELOPER ACCOMMODATING DEVICE, DEVELOPING DEVICE, CARTRIDGE AND IM...
- Publication number 20250053119
- Publication date Feb 13, 2025
- Canon Kabushiki Kaisha
- Naoya Asanuma
- 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
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

for the developer unit

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Developer supply container and developer supplying system

Developing cartridge

Image forming apparatus and image forming system

Image forming apparatus

Developing device

Developing device and method of agitating initial developer inside...

Developing cartridge having coupling and developing roller

Latching assembly for a toner container

Developing device and image forming apparatus

Developing cartridge having electrode

Cartridge including photosensitive drum and developing roller that...

Electrophotographic image forming apparatus, developing apparatus,...

Image forming apparatus

Information processing apparatus and image forming apparatus with a...

Developer supply container and developer supplying system

Toner container latching

Developing device

Waste toner container, manufacturing method, and image forming appa...

Image forming apparatus

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

Image forming apparatus

Image forming apparatus

Image forming apparatus with a memory positioned on a drum frame

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

Image forming apparatus including developing device supporting stru...

Toner cartridge including conveyer member rotatable about axis insi...

Component movement mechanism for an image forming apparatus

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...

Patents Applicationslast 30 patents

CARTRIDGE INCLUDING PHOTOSENSITIVE DRUM AND DEVELOPING ROLLER THAT...

IMAGE FORMING APPARATUS

INFORMATION PROCESSING APPARATUS AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DEVELOPING CARTRIDGE INCLUDING FIRST FRAME SUPPORTING DEVELOPING RO...

IMAGE FORMING APPARATUS INCLUDING DEVELOPING DEVICE SUPPORTING STRU...

DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE

POWDER CONTAINER, IMAGE FORMING APPARATUS, AND METHOD FOR MANUFACTU...

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

CARTRIDGE AND IMAGE FORMING APPARATUS

Component Movement Mechanism for an Image Forming Apparatus

PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND TONER STORAGE UNIT

DEVELOPER CARTRIDGE

DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM

DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM

DEVELOPING CARTRIDGE

DEVELOPING CARTRIDGE INCLUDING CASING AND FIRST AND SECOND AGITATOR...

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING CARTRIDGE INCLUDING MOVABLE SHAFT, AND CAM PROVIDED ON S...

TONER CARTRIDGE LATCHING

DEVELOPING AGENT CONTAINER AND IMAGING DEVICE

IMAGE FORMING APPARATUS INCLUDING RETRACTABLE EXPOSURE PORTION

DEVELOPER ACCOMMODATING DEVICE, DEVELOPING DEVICE, CARTRIDGE AND IM...

STORAGE ASSEMBLY AND MOUNTABLE UNIT

TONER CONTAINER HAVING A SHUTTER LOCK MECHANISM

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, DEVELOPING APPARATUS,...

IMAGE FORMING APPARATUS PROVIDED WITH DETACHABLE PROCESSING UNIT

IMAGE FORMING APPARATUS