Yuwen WANG

Person

Nagoya-shi, JP

People

Patents Grantslast 30 patents

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
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
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
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
Image forming apparatus capable of suppressing increase in size
- Patent number 12,105,444
- Issue date Oct 1, 2024
- Brother Kogyo Kabushiki Kaisha
- Junichi Hashimoto
- 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
Developing cartridge having electrode contactable with another elec...
- Patent number 12,032,307
- Issue date Jul 9, 2024
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including shaft and cam having cam surface
- Patent number 12,032,329
- Issue date Jul 9, 2024
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including first and second inclined surfaces,...
- Patent number 11,947,310
- Issue date Apr 2, 2024
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum unit
- Patent number 11,921,457
- Issue date Mar 5, 2024
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including blade and blade holder for supportin...
- Patent number 11,846,893
- Issue date Dec 19, 2023
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including shaft and cam having cam surface
- Patent number 11,714,378
- Issue date Aug 1, 2023
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer cartridge
- Patent number 11,693,331
- Issue date Jul 4, 2023
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge
- Patent number D989856
- Issue date Jun 20, 2023
- Brother Industries, Ltd.
- Yuwen Wang
- D18 - Printing and office machinery
Information Patent Grant
Image forming apparatus capable of suppressing increase in size
- Patent number 11,650,522
- Issue date May 16, 2023
- Brother Kogyo Kabushiki Kaisha
- Junichi Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including inclined surface movable together wi...
- Patent number 11,630,414
- Issue date Apr 18, 2023
- Brother Kogyo Kabushiki Kaisha
- Junichi Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge having electrode contactable with another elec...
- Patent number 11,573,503
- Issue date Feb 7, 2023
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge
- Patent number D976310
- Issue date Jan 24, 2023
- Brother Industries, Ltd.
- Yuwen Wang
- D18 - Printing and office machinery
Information Patent Grant
Developing cartridge including first and second inclined surfaces,...
- Patent number 11,550,256
- Issue date Jan 10, 2023
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drawer including drawer frame, connector, and holder holding the sa...
- Patent number 11,550,252
- Issue date Jan 10, 2023
- Brother Kogyo Kabushiki Kaisha
- Shota Shinoya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including first arm pivotally movable along wi...
- Patent number 11,520,285
- Issue date Dec 6, 2022
- Brother Kogyo Kabushiki Kaisha
- Go Iwasa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge capable of maintaining contacting pressure bet...
- Patent number 11,467,515
- Issue date Oct 11, 2022
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and control method therefor
- Patent number 11,402,769
- Issue date Aug 2, 2022
- Brother Kogyo Kabushiki Kaisha
- Yusuke Ikegami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including developing roller to contact photose...
- Patent number 11,402,796
- Issue date Aug 2, 2022
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum unit
- Patent number 11,320,779
- Issue date May 3, 2022
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including blade and blade holder for supportin...
- Patent number 11,300,898
- Issue date Apr 12, 2022
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image-forming apparatus including driving portion provided at only...
- Patent number 11,275,336
- Issue date Mar 15, 2022
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum unit capable of suppressing complication of wiring
- Patent number 11,269,292
- Issue date Mar 8, 2022
- Brother Kogyo Kabushiki Kaisha
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS CAPABLE OF SUPPRESSING INCREASE IN SIZE
- Publication number 20250013170
- Publication date Jan 9, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Junichi HASHIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE HAVING ELECTRODE CONTACTABLE WITH ANOTHER ELEC...
- Publication number 20250013165
- Publication date Jan 9, 2025
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen Wang
- 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
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
DRUM UNIT
- Publication number 20240272579
- Publication date Aug 15, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE
- Publication number 20240272580
- Publication date Aug 15, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE
- Publication number 20240027953
- Publication date Jan 25, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS CONFIGURED TO PERFORM CLEANING OPERATION FO...
- Publication number 20230408954
- Publication date Dec 21, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Toshio FURUKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD OF ASSEMBLING DEVELOPING CARTRIDGE
- Publication number 20230350338
- Publication date Nov 2, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING MOVABLE SHAFT, AND CAM PROVIDED ON S...
- Publication number 20230315001
- Publication date Oct 5, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CARTRIDGE INCLUDING CONVEYER MEMBER ROTATABLE ABOUT AXIS INSI...
- Publication number 20230297006
- Publication date Sep 21, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM CARTRIDGE INCLUDING DRUM CONTACT MOVABLE IN ACCORDANCE WITH AT...
- Publication number 20230297022
- Publication date Sep 21, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CARTRIDGE
- Publication number 20230280673
- Publication date Sep 7, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS CAPABLE OF SUPPRESSING INCREASE IN SIZE
- Publication number 20230244159
- Publication date Aug 3, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Junichi HASHIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230176514
- Publication date Jun 8, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Nao Itabashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE HAVING ELECTRODE CONTACTABLE WITH ANOTHER ELEC...
- Publication number 20230136526
- Publication date May 4, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING FIRST AND SECOND INCLINED SURFACES,...
- Publication number 20230134221
- Publication date May 4, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM UNIT
- Publication number 20220236689
- Publication date Jul 28, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING BLADE AND BLADE HOLDER FOR SUPPORTIN...
- Publication number 20220229381
- Publication date Jul 21, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM UNIT CAPABLE OF SUPPRESSING COMPLICATION OF WIRING
- Publication number 20220187760
- Publication date Jun 16, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen Wang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CARTRIDGE
- Publication number 20220146960
- Publication date May 12, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE
- Publication number 20220137549
- Publication date May 5, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CONTROL METHOD THEREFOR
- Publication number 20220066354
- Publication date Mar 3, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Yusuke IKEGAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING INCLINED SURFACE MOVABLE TOGETHER WI...
- Publication number 20220057744
- Publication date Feb 24, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Junichi HASHIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE CAPABLE OF MAINTAINING CONTACTING PRESSURE BET...
- Publication number 20220035266
- Publication date Feb 3, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING FIRST AND SECOND INCLINED SURFACES,...
- Publication number 20220004143
- Publication date Jan 6, 2022
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING FIRST ARM PIVOTALLY MOVABLE ALONG WI...
- Publication number 20210341876
- Publication date Nov 4, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Go IWASA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS CAPABLE OF SUPPRESSING INCREASE IN SIZE
- Publication number 20210311414
- Publication date Oct 7, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Junichi HASHIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DRUM UNIT CAPABLE OF SUPPRESSING COMPLICATION OF WIRING
- Publication number 20210311433
- Publication date Oct 7, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE-FORMING APPARATUS INCLUDING DRIVING PORTION PROVIDED AT ONLY...
- Publication number 20210255576
- Publication date Aug 19, 2021
- BROTHER KOGYO KABUSHIKI KAISHA
- Yuwen WANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Person

Patents Grantslast 30 patents

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

Developing cartridge including shaft and cam having cam surface

Developer cartridge

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

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

Image forming apparatus capable of suppressing increase in size

Image forming apparatus

Drum unit capable of suppressing complication of wiring

Developing cartridge having electrode contactable with another elec...

Developing cartridge including shaft and cam having cam surface

Developing cartridge including first and second inclined surfaces,...

Drum unit

Developing cartridge including blade and blade holder for supportin...

Developing cartridge including shaft and cam having cam surface

Developer cartridge

Toner cartridge

Image forming apparatus capable of suppressing increase in size

Developing cartridge including inclined surface movable together wi...

Developing cartridge having electrode contactable with another elec...

Toner cartridge

Developing cartridge including first and second inclined surfaces,...

Drawer including drawer frame, connector, and holder holding the sa...

Developing cartridge including first arm pivotally movable along wi...

Developing cartridge capable of maintaining contacting pressure bet...

Image forming apparatus and control method therefor

Developing cartridge including developing roller to contact photose...

Drum unit

Developing cartridge including blade and blade holder for supportin...

Image-forming apparatus including driving portion provided at only...

Drum unit capable of suppressing complication of wiring

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS CAPABLE OF SUPPRESSING INCREASE IN SIZE

DEVELOPING CARTRIDGE HAVING ELECTRODE CONTACTABLE WITH ANOTHER ELEC...

DRUM UNIT CAPABLE OF SUPPRESSING COMPLICATION OF WIRING

IMAGE FORMING APPARATUS

DRUM UNIT

DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE

DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE

IMAGE FORMING APPARATUS CONFIGURED TO PERFORM CLEANING OPERATION FO...

METHOD OF ASSEMBLING DEVELOPING CARTRIDGE

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

TONER CARTRIDGE INCLUDING CONVEYER MEMBER ROTATABLE ABOUT AXIS INSI...

DRUM CARTRIDGE INCLUDING DRUM CONTACT MOVABLE IN ACCORDANCE WITH AT...

DEVELOPER CARTRIDGE

IMAGE FORMING APPARATUS CAPABLE OF SUPPRESSING INCREASE IN SIZE

IMAGE FORMING APPARATUS

DEVELOPING CARTRIDGE HAVING ELECTRODE CONTACTABLE WITH ANOTHER ELEC...

DEVELOPING CARTRIDGE INCLUDING FIRST AND SECOND INCLINED SURFACES,...

DRUM UNIT

DEVELOPING CARTRIDGE INCLUDING BLADE AND BLADE HOLDER FOR SUPPORTIN...

DRUM UNIT CAPABLE OF SUPPRESSING COMPLICATION OF WIRING

DEVELOPER CARTRIDGE

DEVELOPING CARTRIDGE INCLUDING SHAFT AND CAM HAVING CAM SURFACE

IMAGE FORMING APPARATUS AND CONTROL METHOD THEREFOR

DEVELOPING CARTRIDGE INCLUDING INCLINED SURFACE MOVABLE TOGETHER WI...

DEVELOPING CARTRIDGE CAPABLE OF MAINTAINING CONTACTING PRESSURE BET...

DEVELOPING CARTRIDGE INCLUDING FIRST AND SECOND INCLINED SURFACES,...

DEVELOPING CARTRIDGE INCLUDING FIRST ARM PIVOTALLY MOVABLE ALONG WI...

IMAGE FORMING APPARATUS CAPABLE OF SUPPRESSING INCREASE IN SIZE

DRUM UNIT CAPABLE OF SUPPRESSING COMPLICATION OF WIRING

IMAGE-FORMING APPARATUS INCLUDING DRIVING PORTION PROVIDED AT ONLY...