Cartridges having electronically readable memory

Industry

CPC
G03G2221/1823

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Parent Industries

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

Current Industry

G03G2221/1823Cartridges having electronically readable memory

Industries

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Patents Grantslast 30 patents

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
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
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
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
Image forming apparatus
- Patent number 11,966,194
- Issue date Apr 23, 2024
- Brother Kogyo Kabushiki Kaisha
- Kentaro Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of controlling extension of use of...
- Patent number 11,934,144
- Issue date Mar 19, 2024
- Brother Kogyo Kabushiki Kaisha
- Tadao Kyotani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge unit
- Patent number 11,927,913
- Issue date Mar 12, 2024
- Canon Kabushiki Kaisha
- Noriyuki Komatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including development cartridge having a de...
- Patent number 11,899,388
- Issue date Feb 13, 2024
- Brother Kogyo Kabushiki Kaisha
- Kazuma Hinoue
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for error handling in the toner refill process
- Patent number 11,892,781
- Issue date Feb 6, 2024
- Hewlett-Packard Development Company, L.P.
- Mok-Hwa Lim
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of making toner cartridge completel...
- Patent number 11,892,798
- Issue date Feb 6, 2024
- Brother Kogyo Kabushiki Kaisha
- Ryuji Noda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including a memory mounting portion and image forming app...
- Patent number 11,841,675
- Issue date Dec 12, 2023
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including controller capable of determining...
- Patent number 11,835,904
- Issue date Dec 5, 2023
- Brother Kogyo Kabushiki Kaisha
- Tadao Kyotani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Consumable chip and control method of consumable chip, consumable m...
- Patent number 11,822,263
- Issue date Nov 21, 2023
- ZHUHAI PANTUM ELECTRONICS CO., LTD.
- Bo Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including developing roller memory, and termin...
- Patent number 11,815,842
- Issue date Nov 14, 2023
- Brother Kogyo Kabushiki Kaisha
- Masahiro Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Information storage system including a plurality of terminals
- Patent number 11,768,448
- Issue date Sep 26, 2023
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Drum cartridge including electrical contact surface movable relativ...
- Patent number 11,762,331
- Issue date Sep 19, 2023
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus that determines whether cartridge can be us...
- Patent number 11,762,310
- Issue date Sep 19, 2023
- Brother Kogyo Kabushiki Kaisha
- Tadao Kyotani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method to prevent cloning of electronic components using public key...
- Patent number 11,716,317
- Issue date Aug 1, 2023
- STMicroelectronics, Inc.
- Sean Newton
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Drum cartridge including electrical contact surface positioned at o...
- Patent number 11,687,030
- Issue date Jun 27, 2023
- Brother Kogyo Kabushiki Kaisha
- Koji Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus rewriting usage status information to infor...
- Patent number 11,681,253
- Issue date Jun 20, 2023
- Brother Kogyo Kabushiki Kaisha
- Tadao Kyotani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge including a memory mounting portion and image forming app...
- Patent number 11,579,565
- Issue date Feb 14, 2023
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus performing rewriting process to rewrite ide...
- Patent number 11,573,505
- Issue date Feb 7, 2023
- Brother Kogyo Kabushiki Kaisha
- Takashi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum cartridge including electrical contact surface movable relativ...
- Patent number 11,500,328
- Issue date Nov 15, 2022
- Brother Kogyo Kabushiki Kaisha
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Controlling toner refill by using toner refill cartridge
- Patent number 11,442,380
- Issue date Sep 13, 2022
- Hewlett-Packard Development Company, L.P.
- Jea Hong Park
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information storage system including a plurality of terminals
- Patent number 11,429,036
- Issue date Aug 30, 2022
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus performing rewriting process to rewrite ide...
- Patent number 11,397,389
- Issue date Jul 26, 2022
- Brother Kogyo Kabushiki Kaisha
- Takashi Suzuki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus including drum cartridge having photosensit...
- Patent number 11,392,083
- Issue date Jul 19, 2022
- Brother Kogyo Kabushiki Kaisha
- Shunji Yoshimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of controlling extension of use of...
- Patent number 11,378,913
- Issue date Jul 5, 2022
- Brother Kogyo Kabushiki Kaisha
- Tadao Kyotani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Resource conditioning
- Patent number 11,307,514
- Issue date Apr 19, 2022
- Hewlett-Packard Development Company, L.P.
- Aleix Fort Filgueira
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum cartridge including electrical contact surface positioned at o...
- Patent number 11,300,922
- Issue date Apr 12, 2022
- Brother Kogyo Kabushiki Kaisha
- Koji Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

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
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
IMAGE FORMING DEVICE, PROCESS CARTRIDGE, AND DEVELOPER CARTRIDGE
- Publication number 20240184239
- Publication date Jun 6, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Masahiro Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE UNIT
- Publication number 20240176287
- Publication date May 30, 2024
- Canon Kabushiki Kaisha
- Noriyuki KOMATSU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR ERROR HANDLING IN THE TONER REFILL PROCESS
- Publication number 20240142892
- Publication date May 2, 2024
- Hewlett-Packard Development Company, L.P.
- Mok-Hwa LIM
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING A MEMORY MOUNTING PORTION AND IMAGE FORMING APP...
- Publication number 20240061373
- Publication date Feb 22, 2024
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING CONTROLLER CAPABLE OF DETERMINING...
- Publication number 20240045362
- Publication date Feb 8, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Tadao KYOTANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS PERFORMING REWRITING PROCESS TO REWRITE IDE...
- Publication number 20240027935
- Publication date Jan 25, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Takashi SUZUKI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS
- Publication number 20230418181
- Publication date Dec 28, 2023
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
CARTRIDGE, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20230418221
- Publication date Dec 28, 2023
- Canon Kabushiki Kaisha
- YOSUKE KASHIIDE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE MOVABLE RELATIV...
- Publication number 20230408971
- Publication date Dec 21, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao ITABASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE POSITIONED AT O...
- Publication number 20230280690
- Publication date Sep 7, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Koji ABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230244183
- Publication date Aug 3, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Kentaro MORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CARTRIDGE INCLUDING MEMORY HOLDER COVER HAVING PAWL ENGAGED W...
- Publication number 20230205132
- Publication date Jun 29, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Ryuji NODA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS CAPABLE OF MAKING TONER CARTRIDGE COMPLETEL...
- Publication number 20230205131
- Publication date Jun 29, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Ryuji NODA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE INCLUDING A MEMORY MOUNTING PORTION AND IMAGE FORMING APP...
- Publication number 20230168625
- Publication date Jun 1, 2023
- Canon Kabushiki Kaisha
- Yu Fukasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE MOVABLE RELATIV...
- Publication number 20230057407
- Publication date Feb 23, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao ITABASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS
- Publication number 20220357684
- Publication date Nov 10, 2022
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS PERFORMING REWRITING PROCESS TO REWRITE IDE...
- Publication number 20220342346
- Publication date Oct 27, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Takashi SUZUKI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
CONSUMABLE CHIP AND CONTROL METHOD OF CONSUMABLE CHIP, CONSUMABLE M...
- Publication number 20220326636
- Publication date Oct 13, 2022
- ZHUHAI PANTUM ELECTRONICS CO., LTD.
- Bo WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS CAPABLE OF CONTROLLING EXTENSION OF USE OF...
- Publication number 20220276605
- Publication date Sep 1, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Tadao KYOTANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE POSITIONED AT O...
- Publication number 20220229394
- Publication date Jul 21, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Koji ABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE UNIT
- Publication number 20220107604
- Publication date Apr 7, 2022
- Canon Kabushiki Kaisha
- Noriyuki KOMATSU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR ERROR HANDLING IN THE TONER REFILL PROCESS
- Publication number 20220075307
- Publication date Mar 10, 2022
- Hewlett-Packard Development Company, L.P.
- Mok-Hwa LIM
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING DEVICE, PROCESS CARTRIDGE, AND DEVELOPER CARTRIDGE
- Publication number 20220011714
- Publication date Jan 13, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Masahiro Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE MOVABLE RELATIV...
- Publication number 20210397124
- Publication date Dec 23, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS
- Publication number 20210356884
- Publication date Nov 18, 2021
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
IMAGE FORMING APPARATUS CAPABLE OF CONTROLLING EXTENSION OF USE OF...
- Publication number 20210232086
- Publication date Jul 29, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Tadao KYOTANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD TO PREVENT CLONING OF ELECTRONIC COMPONENTS USING PUBLIC KEY...
- Publication number 20210218730
- Publication date Jul 15, 2021
- STMicroelectronics, Inc.
- Sean Newton
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CARTRIDGE UNIT
- Publication number 20210200147
- Publication date Jul 1, 2021
- Canon Kabushiki Kaisha
- Noriyuki KOMATSU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Cartridges having electronically readable memory

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for error handling in the toner refill process

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

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

Drum cartridge including electrical contact surface movable relativ...

Image forming apparatus

Image forming apparatus capable of controlling extension of use of...

Cartridge unit

Image forming apparatus including development cartridge having a de...

Method for error handling in the toner refill process

Image forming apparatus capable of making toner cartridge completel...

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

Image forming apparatus including controller capable of determining...

Consumable chip and control method of consumable chip, consumable m...

Developing cartridge including developing roller memory, and termin...

Information storage system including a plurality of terminals

Drum cartridge including electrical contact surface movable relativ...

Image forming apparatus that determines whether cartridge can be us...

Method to prevent cloning of electronic components using public key...

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

Image forming apparatus rewriting usage status information to infor...

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

Image forming apparatus performing rewriting process to rewrite ide...

Drum cartridge including electrical contact surface movable relativ...

Controlling toner refill by using toner refill cartridge

Information storage system including a plurality of terminals

Image forming apparatus performing rewriting process to rewrite ide...

Image forming apparatus including drum cartridge having photosensit...

Image forming apparatus capable of controlling extension of use of...

Resource conditioning

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

Patents Applicationslast 30 patents

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

DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE MOVABLE RELATIV...

IMAGE FORMING DEVICE, PROCESS CARTRIDGE, AND DEVELOPER CARTRIDGE

CARTRIDGE UNIT

METHOD FOR ERROR HANDLING IN THE TONER REFILL PROCESS

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

IMAGE FORMING APPARATUS INCLUDING CONTROLLER CAPABLE OF DETERMINING...

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

INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS

CARTRIDGE, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS

DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE MOVABLE RELATIV...

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

IMAGE FORMING APPARATUS

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

IMAGE FORMING APPARATUS CAPABLE OF MAKING TONER CARTRIDGE COMPLETEL...

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

DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE MOVABLE RELATIV...

INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS

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

CONSUMABLE CHIP AND CONTROL METHOD OF CONSUMABLE CHIP, CONSUMABLE M...

IMAGE FORMING APPARATUS CAPABLE OF CONTROLLING EXTENSION OF USE OF...

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

CARTRIDGE UNIT

METHOD FOR ERROR HANDLING IN THE TONER REFILL PROCESS

IMAGE FORMING DEVICE, PROCESS CARTRIDGE, AND DEVELOPER CARTRIDGE

DRUM CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE MOVABLE RELATIV...

INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS

IMAGE FORMING APPARATUS CAPABLE OF CONTROLLING EXTENSION OF USE OF...

METHOD TO PREVENT CLONING OF ELECTRONIC COMPONENTS USING PUBLIC KEY...

CARTRIDGE UNIT