Arrangements for preparing, mixing, supplying or dispensing developer

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CPC
G03G15/0822

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GPHYSICS G03Photography G03GELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY G03G15/00Apparatus for electrographic processes using a charge pattern

Current Industry

G03G15/0822Arrangements for preparing, mixing, supplying or dispensing developer

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Accommodating container and image forming system
- Patent number 12,169,374
- Issue date Dec 17, 2024
- Canon Kabushiki Kaisha
- Hiroyuki Munetsugu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Toner container and image forming system
- Patent number 12,105,441
- Issue date Oct 1, 2024
- Canon Kabushiki Kaisha
- Hiroyuki Munetsugu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge including frame having photosensitive drum, drum...
- Patent number 12,061,425
- Issue date Aug 13, 2024
- Brother Kogyo Kabushiki Kaisha
- Naoya Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge including ventilation port plug removable through a...
- Patent number 12,001,163
- Issue date Jun 4, 2024
- Toshiba Tec Kabushiki Kaisha
- Nobuaki Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge and image forming apparatus including a screw to co...
- Patent number 11,841,644
- Issue date Dec 12, 2023
- Canon Kabushiki Kaisha
- Tomofumi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Printed matter, infrared-absorbing-pigment-containing toner, tonner...
- Patent number 11,733,619
- Issue date Aug 22, 2023
- Ricoh Company, Ltd.
- Kazumi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Component movement mechanism for an image forming apparatus
- Patent number 11,726,417
- Issue date Aug 15, 2023
- Brother Kogyo Kabushiki Kaisha
- Yoh Nishimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,726,426
- Issue date Aug 15, 2023
- Canon Kabushiki Kaisha
- Koji Fujinaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder storage device and image-forming apparatus equipped with the...
- Patent number 11,609,507
- Issue date Mar 21, 2023
- SHARP KABUSHIKI KAISHA
- Syohji Tomita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,599,037
- Issue date Mar 7, 2023
- Konica Minolta, Inc.
- Atsuto Hirai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrophotographic developer set including toner and powder adhesi...
- Patent number 11,592,757
- Issue date Feb 28, 2023
- Canon Kabushiki Kaisha
- Shohei Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with change roller and flywheel
- Patent number 11,592,762
- Issue date Feb 28, 2023
- FUJIFILM Business Innovation Corp.
- Ko Umenai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge including frame having photosensitive drum, drum...
- Patent number 11,586,123
- Issue date Feb 21, 2023
- Brother Kogyo Kabushiki Kaisha
- Naoya Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier core material and electrophotographic development carrier u...
- Patent number 11,556,070
- Issue date Jan 17, 2023
- Dowa Electronics Materials Co., Ltd.
- Takeshi Kawauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, toner accommodating unit, image forming apparatus, and image...
- Patent number 11,537,057
- Issue date Dec 27, 2022
- Ricoh Company, Ltd.
- Toyoshi Sawada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recovery container and powder coating device
- Patent number 11,487,236
- Issue date Nov 1, 2022
- FUJIFILM Business Innovation Corp.
- Yusuke Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,480,891
- Issue date Oct 25, 2022
- FUJIFILM Business Innovation Corp.
- Kaori Iwaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge for an image forming apparatus including a pump to...
- Patent number 11,442,379
- Issue date Sep 13, 2022
- Canon Kabushiki Kaisha
- Tomofumi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder leveler, powder container device, powder transporter, and po...
- Patent number 11,385,570
- Issue date Jul 12, 2022
- FUJIFILM Business Innovation Corp.
- Shota Matsumae
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with detachable drum unit and developing unit
- Patent number 11,385,589
- Issue date Jul 12, 2022
- Kyocera Document Solutions Inc.
- Yuki Uohashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge
- Patent number 11,385,565
- Issue date Jul 12, 2022
- Brother Kogyo Kabushiki Kaisha
- Naoya Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container configured to be attachable to and detachable from...
- Patent number 11,366,421
- Issue date Jun 21, 2022
- Kyocera Document Solutions Inc.
- Hiroaki Ohashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Brilliant developer, developer container, developing device, image...
- Patent number 11,320,755
- Issue date May 3, 2022
- Oki Electric Industry Co., Ltd.
- Karin Nakahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Component movement mechanism for an image forming apparatus
- Patent number 11,209,745
- Issue date Dec 28, 2021
- Brother Kogyo Kabushiki Kaisha
- Yoh Nishimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image-forming apparatus with reduced number of motors for moving de...
- Patent number 11,106,155
- Issue date Aug 31, 2021
- Brother Kogyo Kabushiki Kaisha
- Shintaro Sakaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer filling method and developer filling apparatus
- Patent number 11,077,971
- Issue date Aug 3, 2021
- Konica Minolta, Inc.
- Kentaro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder transport apparatus
- Patent number 11,036,162
- Issue date Jun 15, 2021
- FUJIFILM Business Innovation Corp.
- Norihiro Tamazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus that discharges developer
- Patent number 11,036,163
- Issue date Jun 15, 2021
- Canon Kabushiki Kaisha
- Toshiyuki Miyake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge
- Patent number 11,016,410
- Issue date May 25, 2021
- Brother Kogyo Kabushiki Kaisha
- Naoya Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Additive manufacturing material management station
- Patent number 10,981,332
- Issue date Apr 20, 2021
- Hewlett-Packard Development Company, L.P.
- Ismael Chanclon
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
TONER CONTAINER AND IMAGE FORMING SYSTEM
- Publication number 20240427262
- Publication date Dec 26, 2024
- Canon Kabushiki Kaisha
- HIROYUKI MUNETSUGU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMATION METHOD
- Publication number 20240231248
- Publication date Jul 11, 2024
- KYOCERA DOCUMENT SOLUTIONS INC.
- Toru TAKATSUNA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE INCLUDING FRAME HAVING PHOTOSENSITIVE DRUM, DRUM...
- Publication number 20240210851
- Publication date Jun 27, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Naoya KAMIMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMATION METHOD
- Publication number 20240134297
- Publication date Apr 25, 2024
- KYOCERA DOCUMENT SOLUTIONS INC.
- Toru TAKATSUNA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, CONTROL METHOD THEREOF, AND STORAGE MEDIUM
- Publication number 20240111228
- Publication date Apr 4, 2024
- Canon Kabushiki Kaisha
- KOU HIRAIKE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Component Movement Mechanism for an Image Forming Apparatus
- Publication number 20240069464
- Publication date Feb 29, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Yoh NISHIMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TONER PRODUCTION METHOD, AND IMAGE-FORMING METHOD
- Publication number 20240061355
- Publication date Feb 22, 2024
- Canon Kabushiki Kaisha
- YUTA KOMIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, DEVELOPER, TONER-STORING UNIT, IMAGE FORMING APPARATUS, IMAG...
- Publication number 20230305413
- Publication date Sep 28, 2023
- Hidekazu KAKINUMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ACCOMMODATING CONTAINER AND IMAGE FORMING SYSTEM
- Publication number 20230266695
- Publication date Aug 24, 2023
- Canon Kabushiki Kaisha
- HIROYUKI MUNETSUGU
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE I...
- Publication number 20230168598
- Publication date Jun 1, 2023
- FUJIFILM Business Innovation Corp.
- Moegi IGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE INCLUDING FRAME HAVING PHOTOSENSITIVE DRUM, DRUM...
- Publication number 20230168603
- Publication date Jun 1, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Naoya KAMIMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE I...
- Publication number 20230098553
- Publication date Mar 30, 2023
- FUJIFILM Business Innovation Corp.
- Atsushi SUGAWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS WITH CHANGE ROLLER AND FLYWHEEL
- Publication number 20230062618
- Publication date Mar 2, 2023
- FUJIFILM Business Innovation Corp.
- Ko UMENAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20220404739
- Publication date Dec 22, 2022
- Canon Kabushiki Kaisha
- Tomofumi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TONER CARTRIDGE, IMAGE FORMING APPARATUS
- Publication number 20220365455
- Publication date Nov 17, 2022
- Toshiba Tec Kabushiki Kaisha
- Yuichiro Takeda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
RECOVERY CONTAINER AND POWDER COATING DEVICE
- Publication number 20220308521
- Publication date Sep 29, 2022
- FUJIFILM Business Innovation Corp.
- Yusuke SAKAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER SUPPLYING DEVICE
- Publication number 20220128930
- Publication date Apr 28, 2022
- SEIKO EPSON CORPORATION
- Taiki KONO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220107583
- Publication date Apr 7, 2022
- Konica Minolta, Inc.
- Atsuto HIRAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Component Movement Mechanism for an Image Forming Apparatus
- Publication number 20220082959
- Publication date Mar 17, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Yoh NISHIMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC DEVELOPER SET INCLUDING TONER AND POWDER ADHESI...
- Publication number 20220035264
- Publication date Feb 3, 2022
- Canon Kabushiki Kaisha
- Shohei Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220019169
- Publication date Jan 20, 2022
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hiroaki OHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20210397121
- Publication date Dec 23, 2021
- KYOCERA DOCUMENT SOLUTIONS INC.
- Yuki Uohashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TONER ACCOMMODATING UNIT, IMAGE FORMING APPARATUS, AND IMAGE...
- Publication number 20210389686
- Publication date Dec 16, 2021
- RICOH COMPANY, LTD.
- Hidekazu KAKINUMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image Forming Apparatus and Process Cartridge
- Publication number 20210356881
- Publication date Nov 18, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Naoya KAMIMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PRINTED MATTER, INFRARED-ABSORBING-PIGMENT-CONTAINING TONER, TONNER...
- Publication number 20210341851
- Publication date Nov 4, 2021
- RICOH COMPANY, LTD.
- Kazumi SUZUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS WHICH USE...
- Publication number 20210294241
- Publication date Sep 23, 2021
- Canon Kabushiki Kaisha
- Shigeo Miyabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20210286287
- Publication date Sep 16, 2021
- FUJIFILM Business Innovation Corp.
- Kaori Iwaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image Forming Apparatus and Process Cartridge
- Publication number 20210240100
- Publication date Aug 5, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Naoya KAMIMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BRILLIANT DEVELOPER, DEVELOPER CONTAINER, DEVELOPING DEVICE, IMAGE...
- Publication number 20210200110
- Publication date Jul 1, 2021
- Oki Data Corporation
- Karin NAKAHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...
- Publication number 20210132520
- Publication date May 6, 2021
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Takeshi KAWAUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Arrangements for preparing, mixing, supplying or dispensing developer

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Accommodating container and image forming system

Toner container and image forming system

Process cartridge including frame having photosensitive drum, drum...

Toner cartridge including ventilation port plug removable through a...

Toner cartridge and image forming apparatus including a screw to co...

Printed matter, infrared-absorbing-pigment-containing toner, tonner...

Component movement mechanism for an image forming apparatus

Image forming apparatus

Powder storage device and image-forming apparatus equipped with the...

Image forming apparatus

Electrophotographic developer set including toner and powder adhesi...

Image forming apparatus with change roller and flywheel

Process cartridge including frame having photosensitive drum, drum...

Carrier core material and electrophotographic development carrier u...

Toner, toner accommodating unit, image forming apparatus, and image...

Recovery container and powder coating device

Image forming apparatus

Toner cartridge for an image forming apparatus including a pump to...

Powder leveler, powder container device, powder transporter, and po...

Image forming apparatus with detachable drum unit and developing unit

Image forming apparatus and process cartridge

Toner container configured to be attachable to and detachable from...

Brilliant developer, developer container, developing device, image...

Component movement mechanism for an image forming apparatus

Image-forming apparatus with reduced number of motors for moving de...

Developer filling method and developer filling apparatus

Powder transport apparatus

Image forming apparatus that discharges developer

Image forming apparatus and process cartridge

Additive manufacturing material management station

Patents Applicationslast 30 patents

TONER CONTAINER AND IMAGE FORMING SYSTEM

IMAGE FORMING APPARATUS AND IMAGE FORMATION METHOD

PROCESS CARTRIDGE INCLUDING FRAME HAVING PHOTOSENSITIVE DRUM, DRUM...

IMAGE FORMING APPARATUS AND IMAGE FORMATION METHOD

IMAGE FORMING APPARATUS, CONTROL METHOD THEREOF, AND STORAGE MEDIUM

Component Movement Mechanism for an Image Forming Apparatus

TONER, TONER PRODUCTION METHOD, AND IMAGE-FORMING METHOD

TONER, DEVELOPER, TONER-STORING UNIT, IMAGE FORMING APPARATUS, IMAG...

ACCOMMODATING CONTAINER AND IMAGE FORMING SYSTEM

ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE I...

PROCESS CARTRIDGE INCLUDING FRAME HAVING PHOTOSENSITIVE DRUM, DRUM...

ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE I...

IMAGE FORMING APPARATUS WITH CHANGE ROLLER AND FLYWHEEL

TONER CARTRIDGE AND IMAGE FORMING APPARATUS

TONER, TONER CARTRIDGE, IMAGE FORMING APPARATUS

RECOVERY CONTAINER AND POWDER COATING DEVICE

POWDER SUPPLYING DEVICE

IMAGE FORMING APPARATUS

Component Movement Mechanism for an Image Forming Apparatus

ELECTROPHOTOGRAPHIC DEVELOPER SET INCLUDING TONER AND POWDER ADHESI...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

TONER, TONER ACCOMMODATING UNIT, IMAGE FORMING APPARATUS, AND IMAGE...

Image Forming Apparatus and Process Cartridge

PRINTED MATTER, INFRARED-ABSORBING-PIGMENT-CONTAINING TONER, TONNER...

CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS WHICH USE...

IMAGE FORMING APPARATUS

Image Forming Apparatus and Process Cartridge

BRILLIANT DEVELOPER, DEVELOPER CONTAINER, DEVELOPING DEVICE, IMAGE...

CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...