Masatoshi Yamashita

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 12,050,432
- Issue date Jul 30, 2024
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 11,960,237
- Issue date Apr 16, 2024
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 11,874,627
- Issue date Jan 16, 2024
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device with frame having metal plates with improved r...
- Patent number 11,852,999
- Issue date Dec 26, 2023
- Canon Kabushiki Kaisha
- Yoichiro Iizuka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 11,614,710
- Issue date Mar 28, 2023
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 11,520,284
- Issue date Dec 6, 2022
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with frame having metal plates with improve...
- Patent number 11,493,875
- Issue date Nov 8, 2022
- Canon Kabushiki Kaisha
- Yoichiro Iizuka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 11,474,478
- Issue date Oct 18, 2022
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 11,442,406
- Issue date Sep 13, 2022
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 11,385,593
- Issue date Jul 12, 2022
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 11,112,751
- Issue date Sep 7, 2021
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 10,996,623
- Issue date May 4, 2021
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 10,901,365
- Issue date Jan 26, 2021
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 10,712,708
- Issue date Jul 14, 2020
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 10,705,480
- Issue date Jul 7, 2020
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and cartridge
- Patent number 10,520,886
- Issue date Dec 31, 2019
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 10,228,652
- Issue date Mar 12, 2019
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 10,139,777
- Issue date Nov 27, 2018
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and cartridge
- Patent number 9,996,051
- Issue date Jun 12, 2018
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a supporting member for dismountably...
- Patent number 9,857,761
- Issue date Jan 2, 2018
- Canon Kabushiki Kaisha
- Yuichiro Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cartridge, process cartridge and electrophotographic image forming...
- Patent number 9,804,560
- Issue date Oct 31, 2017
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and cartridge
- Patent number 9,494,915
- Issue date Nov 15, 2016
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and electrophotographic image forming apparatus
- Patent number 9,429,877
- Issue date Aug 30, 2016
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Frame for image forming apparatus and manufacturing method thereof
- Patent number 9,411,301
- Issue date Aug 9, 2016
- Canon Kabushiki Kaisha
- Tetsuji Suzuki
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electrophotographic image forming apparatus with demountable image...
- Patent number 9,268,302
- Issue date Feb 23, 2016
- Canon Kabushiki Kaisha
- Ryuji Tanaami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus provided with an agitation member configure...
- Patent number 9,063,461
- Issue date Jun 23, 2015
- Canon Kabushiki Kaisha
- Yukio Kubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Opening and closing mechanism and image-forming apparatus
- Patent number 9,037,036
- Issue date May 19, 2015
- Canon Kabushiki Kaisha
- Masatoshi Yamashita
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Image forming apparatus having a member for forming an image
- Patent number 9,022,675
- Issue date May 5, 2015
- Canon Kabushiki Kaisha
- Yoshiyuki Maekawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image bearing member unit and image forming apparatus
- Patent number 9,026,001
- Issue date May 5, 2015
- Canon Kabushiki Kaisha
- Tetsuya Numata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge, developing device and image forming apparatus
- Patent number 8,983,335
- Issue date Mar 17, 2015
- Canon Kabushiki Kaisha
- Masatoshi Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20240319663
- Publication date Sep 26, 2024
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20240069489
- Publication date Feb 29, 2024
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20230195031
- Publication date Jun 22, 2023
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING DEVICE WITH FRAME HAVING METAL PLATES WITH IMPROVED R...
- Publication number 20230023209
- Publication date Jan 26, 2023
- Canon Kabushiki Kaisha
- Yoichiro IIZUKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20220350292
- Publication date Nov 3, 2022
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20220283538
- Publication date Sep 8, 2022
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220019170
- Publication date Jan 20, 2022
- Canon Kabushiki Kaisha
- Yoichiro IIZUKA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20210191314
- Publication date Jun 24, 2021
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20210191312
- Publication date Jun 24, 2021
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20210088965
- Publication date Mar 25, 2021
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20200301355
- Publication date Sep 24, 2020
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20200125029
- Publication date Apr 23, 2020
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20190146410
- Publication date May 16, 2019
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20190064732
- Publication date Feb 28, 2019
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CARTRIDGE
- Publication number 20180253059
- Publication date Sep 6, 2018
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20180017936
- Publication date Jan 18, 2018
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CARTRIDGE
- Publication number 20170031313
- Publication date Feb 2, 2017
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20160370757
- Publication date Dec 22, 2016
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160349698
- Publication date Dec 1, 2016
- Canon Kabushiki Kaisha
- Yuichiro Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20160291540
- Publication date Oct 6, 2016
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CARTRIDGE
- Publication number 20160026151
- Publication date Jan 28, 2016
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FRAME FOR IMAGE FORMING APPARATUS AND MANUFACTURING METHOD THEREOF
- Publication number 20150220047
- Publication date Aug 6, 2015
- Canon Kabushiki Kaisha
- Tetsuji Suzuki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...
- Publication number 20150093146
- Publication date Apr 2, 2015
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CARTRIDGE
- Publication number 20150010325
- Publication date Jan 8, 2015
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPENING AND CLOSING MECHANISM AND IMAGE-FORMING APPARATUS
- Publication number 20140137372
- Publication date May 22, 2014
- Canon Kabushiki Kaisha
- Masatoshi Yamashita
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140010561
- Publication date Jan 9, 2014
- Yukio Kubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE BEARING MEMBER UNIT AND IMAGE FORMING APPARATUS
- Publication number 20130322922
- Publication date Dec 5, 2013
- Canon Kabushiki Kaisha
- Tetsuya Numata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130251402
- Publication date Sep 26, 2013
- Canon Kabushiki Kaisha
- Masatoshi Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CARTRIDGE
- Publication number 20130108316
- Publication date May 2, 2013
- Canon Kabushiki Kaisha
- Masaaki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130108342
- Publication date May 2, 2013
- Canon Kabushiki Kaisha
- Yoshiyuki Maekawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Masatoshi Yamashita

Person

Patents Grantslast 30 patents

Cartridge, process cartridge and electrophotographic image forming...

Cartridge, process cartridge and electrophotographic image forming...

Cartridge, process cartridge and electrophotographic image forming...

Image forming device with frame having metal plates with improved r...

Cartridge, process cartridge and electrophotographic image forming...

Cartridge, process cartridge and electrophotographic image forming...

Image forming apparatus with frame having metal plates with improve...

Cartridge, process cartridge and electrophotographic image forming...

Cartridge, process cartridge and electrophotographic image forming...

Cartridge, process cartridge and electrophotographic image forming...

Cartridge, process cartridge and electrophotographic image forming...

Cartridge, process cartridge and electrophotographic image forming...

Cartridge, process cartridge and electrophotographic image forming...

Cartridge, process cartridge and electrophotographic image forming...

Cartridge, process cartridge and electrophotographic image forming...

Image forming apparatus and cartridge

Cartridge, process cartridge and electrophotographic image forming...

Cartridge, process cartridge and electrophotographic image forming...

Image forming apparatus and cartridge

Image forming apparatus having a supporting member for dismountably...

Cartridge, process cartridge and electrophotographic image forming...

Image forming apparatus and cartridge

Process cartridge and electrophotographic image forming apparatus

Frame for image forming apparatus and manufacturing method thereof

Electrophotographic image forming apparatus with demountable image...

Image forming apparatus provided with an agitation member configure...

Opening and closing mechanism and image-forming apparatus

Image forming apparatus having a member for forming an image

Image bearing member unit and image forming apparatus

Process cartridge, developing device and image forming apparatus

Patents Applicationslast 30 patents

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

IMAGE FORMING DEVICE WITH FRAME HAVING METAL PLATES WITH IMPROVED R...

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

IMAGE FORMING APPARATUS

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

IMAGE FORMING APPARATUS AND CARTRIDGE

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

IMAGE FORMING APPARATUS AND CARTRIDGE

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

IMAGE FORMING APPARATUS

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

IMAGE FORMING APPARATUS AND CARTRIDGE

FRAME FOR IMAGE FORMING APPARATUS AND MANUFACTURING METHOD THEREOF

CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING...

IMAGE FORMING APPARATUS AND CARTRIDGE

OPENING AND CLOSING MECHANISM AND IMAGE-FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE BEARING MEMBER UNIT AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND CARTRIDGE

IMAGE FORMING APPARATUS