plural shutters for openings of process cartridge

Industry

CPC
G03G2221/1612

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Parent Industries

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

Current Industry

G03G2221/1612plural shutters for openings of process cartridge

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Powder container having a flexible sheet to contact the conveying r...
- Patent number 11,789,380
- Issue date Oct 17, 2023
- Ricoh Company, Ltd.
- Hiroaki Nieda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation unit and image formation apparatus having image car...
- Patent number 11,435,692
- Issue date Sep 6, 2022
- Oki Electric Industry Co., Ltd.
- Hisatoshi Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container with a contact portion to cancel a restriction mem...
- Patent number 11,307,517
- Issue date Apr 19, 2022
- Ricoh Company, Ltd.
- Hiroaki Nieda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container having contact portion to contact a restriction me...
- Patent number 10,866,537
- Issue date Dec 15, 2020
- Ricoh Company, Ltd.
- Hiroaki Nieda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and drum cartridge
- Patent number 10,452,023
- Issue date Oct 22, 2019
- Brother Kogyo Kabushiki Kaisha
- Keigo Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 7,383,000
- Issue date Jun 3, 2008
- Matsushita Electric Industrial Co., Ltd.
- Mitsuhiro Koumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 7,283,766
- Issue date Oct 16, 2007
- Canon Kabushiki Kaisha
- Takeshi Arimitsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 7,155,140
- Issue date Dec 26, 2006
- Canon Kabushiki Kaisha
- Takeshi Arimitsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and electrophotographic image forming apparatus
- Patent number 7,149,457
- Issue date Dec 12, 2006
- Canon Kabushiki Kaisha
- Shigeo Miyabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge having shiftable cover with specific spacing betw...
- Patent number 6,097,911
- Issue date Aug 1, 2000
- Canon Kabushiki Kaisha
- Kazushi Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge having shiftable cover and guide member for direc...
- Patent number 6,075,956
- Issue date Jun 13, 2000
- Canon Kabushiki Kaisha
- Kazushi Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and electrophotographic image forming apparatus
- Patent number 5,937,242
- Issue date Aug 10, 1999
- Canon Kabushiki Kaisha
- Katsunori Yokoyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge having shiftable cover with inner protrusion
- Patent number 5,878,304
- Issue date Mar 2, 1999
- Canon Kabushiki Kaisha
- Kazushi Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Shutter having first and second shutter members, process cartridge...
- Patent number 5,729,796
- Issue date Mar 17, 1998
- Canon Kabushiki Kaisha
- Kouji Miura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 5,585,889
- Issue date Dec 17, 1996
- Canon Kabushiki Kaisha
- Kazuo Shishido
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus with photoreceptor protector
- Patent number 5,486,898
- Issue date Jan 23, 1996
- Konica Corporation
- Yozo Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having process cartridge
- Patent number 5,160,963
- Issue date Nov 3, 1992
- Konica Corporation
- Satoshi Haneda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member protection shutter for use in a color image f...
- Patent number 5,119,134
- Issue date Jun 2, 1992
- Konica Corporation
- Satoshi Haneda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Drum cartridge for electrophotographic apparatus with two-piece pro...
- Patent number 5,113,220
- Issue date May 12, 1992
- Samsung Electronics Co., Ltd.
- Jin-keun Kwak
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductive cartridge having shutter locking device for holding...
- Patent number 5,083,158
- Issue date Jan 21, 1992
- Brother Kogyo Kabushiki Kaisha
- Hiroyuki Kashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic recording apparatus having photoconductive drum cartri...
- Patent number 5,061,959
- Issue date Oct 29, 1991
- Brother Kogyo Kabushiki Kaisha
- Naohisa Kinoshita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic copier process kit having removable closure mem...
- Patent number 4,965,633
- Issue date Oct 23, 1990
- Tyrone N. Surti
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and a process unit for use in the same
- Patent number 4,708,455
- Issue date Nov 24, 1987
- Canon Kabushiki Kaisha
- Atsushi Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Corona discharger system
- Patent number 4,627,701
- Issue date Dec 9, 1986
- Canon Kabushiki Kaisha
- Shigeyoshi Onoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process unit detachably mountable thereto
- Patent number 4,588,280
- Issue date May 13, 1986
- Canon Kabushiki Kaisha
- Hiroshi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process kit and an image forming apparatus using the same
- Patent number 4,575,221
- Issue date Mar 11, 1986
- Canon Kabushiki Kaisha
- Shigeyoshi Onoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process unit
- Patent number 4,470,689
- Issue date Sep 11, 1984
- Canon Kabushiki Kaisha
- Akihiro Nomura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation apparatus using a process unit with a protective cover
- Patent number 4,462,677
- Issue date Jul 31, 1984
- Canon Kabushiki Kaisha
- Shigeyoshi Onoda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
POWDER CONTAINER WITH A CONTACT PORTION TO CANCEL A RESTRICTION MEM...
- Publication number 20220206413
- Publication date Jun 30, 2022
- RICOH COMPANY, LTD.
- Hiroaki NIEDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS IN...
- Publication number 20210041805
- Publication date Feb 11, 2021
- Hiroaki NIEDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20060285878
- Publication date Dec 21, 2006
- Canon Kabushiki Kaisha
- Takeshi Arimitsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20060216064
- Publication date Sep 28, 2006
- Matsushita Electric Industrial Co., Ltd.
- Mitsuhiro KOUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Process cartridge and electrophotographic image forming apparatus
- Publication number 20050220486
- Publication date Oct 6, 2005
- Canon Kabushiki Kaisha
- Shigeo Miyabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Process cartridge and image forming apparatus
- Publication number 20050169664
- Publication date Aug 4, 2005
- Canon Kabushiki Kaisha
- Takeshi Arimitsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

plural shutters for openings of process cartridge

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Powder container having a flexible sheet to contact the conveying r...

Image formation unit and image formation apparatus having image car...

Powder container with a contact portion to cancel a restriction mem...

Powder container having contact portion to contact a restriction me...

Image forming apparatus and drum cartridge

Process cartridge and image forming apparatus

Process cartridge and image forming apparatus

Process cartridge and image forming apparatus

Process cartridge and electrophotographic image forming apparatus

Process cartridge having shiftable cover with specific spacing betw...

Process cartridge having shiftable cover and guide member for direc...

Process cartridge and electrophotographic image forming apparatus

Process cartridge having shiftable cover with inner protrusion

Shutter having first and second shutter members, process cartridge...

Process cartridge and image forming apparatus

Color image forming apparatus with photoreceptor protector

Image forming apparatus having process cartridge

Photosensitive member protection shutter for use in a color image f...

Drum cartridge for electrophotographic apparatus with two-piece pro...

Photoconductive cartridge having shutter locking device for holding...

Photographic recording apparatus having photoconductive drum cartri...

Electrophotographic copier process kit having removable closure mem...

Image forming apparatus and a process unit for use in the same

Corona discharger system

Image forming apparatus and process unit detachably mountable thereto

Process kit and an image forming apparatus using the same

Image forming apparatus and process unit

Image formation apparatus using a process unit with a protective cover

Patents Applicationslast 30 patents

POWDER CONTAINER WITH A CONTACT PORTION TO CANCEL A RESTRICTION MEM...

POWDER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS IN...

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

Process cartridge and electrophotographic image forming apparatus

Process cartridge and image forming apparatus