Inventor

IKEMOTO ISAO

JP84 patents

Patents

50 patents

US7403733B2Jul 22, 2008

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

CANON KK68 citations99

US6400914B1Jun 4, 2002

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

CANON KK196 citations99

US6029032AFeb 22, 2000

Process cartridge and electrophotographic image forming apparatus

CANON KK169 citations99

US6006058ADec 21, 1999

Process cartridge and electrophotographic image forming apparatus having an improved driving system

CANON KK154 citations99

US5966566AOct 12, 1999

Recycle method for process cartridge and image forming apparatus

CANON KK235 citations99

US5689774ANov 18, 1997

Process cartridge and image forming apparatus using such a process cartridge

CANON KK122 citations99

US5640650AJun 17, 1997

Process cartridge including a spaced rolling members support feature and image forming apparatus using the same

CANON KK152 citations99

US5543898AAug 6, 1996

Process cartridge, method for assembling process cartridge and image forming apparatus

CANON KK182 citations99

US5500714AMar 19, 1996

Process cartridge, method for assembling process cartridge and image forming appararatus

CANON KK200 citations99

US5470635ANov 28, 1995

Process cartridge, electrophotographic image forming apparatus and coupling therebetween

CANON KK114 citations98

US5937237AAug 10, 1999

Seal member, toner container and process cartridge

CANON KK90 citations98

US5926672AJul 20, 1999

Photosensitive drum provided in an image forming apparatus including helical gears disposed at an end of the drum

CANON KK101 citations98

US5828928AOct 27, 1998

Process cartridge mountable in an image forming system and a method for assembling a cleaning device

CANON KK114 citations98

US5809374ASep 15, 1998

Process cartridge including a seal member formed from a liquid-foam material

CANON KK127 citations98

US5669042ASep 16, 1997

Image forming system having means to support at least one component of a process cartridge

CANON KK128 citations98

US5659847AAug 19, 1997

Process cartridge having positioning member for positioning optical device

CANON KK110 citations98

US5623328AApr 22, 1997

Process cartridge and image forming system on which process cartridge is mountable

CANON KK146 citations98

US5617579AApr 1, 1997

Process cartridge, method for assembling process cartridge and image forming apparatus

CANON KK117 citations98

US5608509AMar 4, 1997

Process cartridge with blade member having a flat-surface side and an angled-surface side

CANON KK109 citations98

US5602623AFeb 11, 1997

Photosensitive drum provided in an image forming apparatus including gears disposed at an end of drum

CANON KK108 citations98

US5510878AApr 23, 1996

Process cartridge and image forming system

CANON KK112 citations98

US5488459AJan 30, 1996

Image bearing member having an asymmetrically weighted base, process cartridge and image forming apparatus

CANON KK113 citations98

US5475470ADec 12, 1995

Process cartridge and image forming system on which the process cartridge is mountable using a handgrip

CANON KK109 citations98

US5345294ASep 6, 1994

Process cartridge and image forming apparatus using same

CANON KK127 citations98

US5331372AJul 19, 1994

Process cartridge and image forming apparatus on which process cartridge is mountable

CANON KK135 citations98

US7092655B2Aug 15, 2006

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

CANON KK51 citations96

US6999696B2Feb 14, 2006

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

CANON KK52 citations96

US6324363B1Nov 27, 2001

Process cartridge and electrophotographic image forming apparatus

CANON KK66 citations96

US6118961ASep 12, 2000

Detachable two-frame process cartridge for an image forming apparatus

CANON KK46 citations96

US6101348AAug 8, 2000

Developing unit, process cartridge and electrophotographic image forming apparatus

CANON KK78 citations96

US5987278ANov 16, 1999

Process cartridge and image forming apparatus usable therewith

CANON KK46 citations96

US5920752AJul 6, 1999

Process cartridge including a toner frame swingably coupled with a drum frame feature and a grip feature, and an apparatus using the same

CANON KK69 citations96

US5907749AMay 25, 1999

Process cartridge and image forming apparatus usable therewith

CANON KK65 citations96

US5890036AMar 30, 1999

Process cartridge, process cartridge assembly method, and image forming apparatus

CANON KK71 citations96

US5774766AJun 30, 1998

Process cartridge, process cartridge assembly method, and electrophotographic image forming apparatus

CANON KK76 citations96

US5768660AJun 16, 1998

Charging device and process cartridge

CANON KK61 citations96

US5749027AMay 5, 1998

Process cartridge, process cartridge assembly method, and image forming apparatus

CANON KK79 citations96

US5740499AApr 14, 1998

Image forming apparatus including process cartridge having elastic sealing members interposed between frames

CANON KK65 citations96

US5682579AOct 28, 1997

Detachable two-frame process cartridge for an image forming apparatus

CANON KK42 citations96

US5583613ADec 10, 1996

Image forming system

CANON KK97 citations96

US5581325ADec 3, 1996

Process cartridge having an electroconductive grounding member and an image forming apparatus using such a process cartridge

CANON KK70 citations96

US5223893AJun 29, 1993

Process cartridge detachably mountable to image forming apparatus

CANON KK105 citations96

US5208634AMay 4, 1993

Process cartridge detachably mountable to image forming apparatus featuring an injectable sealing member

CANON KK93 citations96

Showing the top 50 of 84 patents by PatentIndex Score.

IKEMOTO ISAO

Patents

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

Process cartridge and electrophotographic image forming apparatus

Process cartridge and electrophotographic image forming apparatus having an improved driving system

Recycle method for process cartridge and image forming apparatus

Process cartridge and image forming apparatus using such a process cartridge

Process cartridge including a spaced rolling members support feature and image forming apparatus using the same

Process cartridge, method for assembling process cartridge and image forming apparatus

Process cartridge, method for assembling process cartridge and image forming appararatus

Blade member having a flat-surface side and an angled-surface side

Rotary member a process cartridge and an assembling method for rolling members

Process cartridge and image forming apparatus

Detachable two-frame process cartridge for an image forming apparatus

Process cartridge and electrophotographic image forming apparatus

Process cartridge and electrophotographic image forming apparatus

Process cartridge and electrophotographic image forming apparatus

Process cartridge, electrophotographic image forming apparatus and coupling therebetween

Seal member, toner container and process cartridge

Photosensitive drum provided in an image forming apparatus including helical gears disposed at an end of the drum

Process cartridge mountable in an image forming system and a method for assembling a cleaning device

Process cartridge including a seal member formed from a liquid-foam material

Image forming system having means to support at least one component of a process cartridge

Process cartridge having positioning member for positioning optical device

Process cartridge and image forming system on which process cartridge is mountable

Process cartridge, method for assembling process cartridge and image forming apparatus

Process cartridge with blade member having a flat-surface side and an angled-surface side

Photosensitive drum provided in an image forming apparatus including gears disposed at an end of drum

Process cartridge and image forming system

Image bearing member having an asymmetrically weighted base, process cartridge and image forming apparatus

Process cartridge and image forming system on which the process cartridge is mountable using a handgrip

Process cartridge and image forming apparatus using same

Process cartridge and image forming apparatus on which process cartridge is mountable

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus

Process cartridge and electrophotographic image forming apparatus

Detachable two-frame process cartridge for an image forming apparatus

Developing unit, process cartridge and electrophotographic image forming apparatus

Process cartridge and image forming apparatus usable therewith

Process cartridge including a toner frame swingably coupled with a drum frame feature and a grip feature, and an apparatus using the same

Process cartridge and image forming apparatus usable therewith

Process cartridge, process cartridge assembly method, and image forming apparatus

Process cartridge, process cartridge assembly method, and electrophotographic image forming apparatus

Charging device and process cartridge

Process cartridge, process cartridge assembly method, and image forming apparatus

Image forming apparatus including process cartridge having elastic sealing members interposed between frames

Detachable two-frame process cartridge for an image forming apparatus

Image forming system

Process cartridge having an electroconductive grounding member and an image forming apparatus using such a process cartridge

Process cartridge detachably mountable to image forming apparatus

Process cartridge detachably mountable to image forming apparatus featuring an injectable sealing member