Inventor

KARAKAMA TOSHIYUKI

JP84 patents

Patents

50 patents

US7136604B2Nov 14, 2006

Process cartridge having electrical contact connectable to electrical contact in electrophotographic image forming apparatus

CANON KK196 citations99

US5966566AOct 12, 1999

Recycle method for process cartridge and image forming apparatus

CANON KK235 citations99

US5878310AMar 2, 1999

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

CANON KK202 citations99

US5689774ANov 18, 1997

Process cartridge and image forming apparatus using such a process cartridge

CANON KK122 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

US5294960AMar 15, 1994

Detachable two-frame process cartridge for an image forming apparatus

CANON KK144 citations99

US7082276B2Jul 25, 2006

Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus

CANON KK79 citations98

US7024131B2Apr 4, 2006

Process cartridge assembling method, process cartridge remanufacturing method, and connecting member

CANON KK121 citations98

US6826380B2Nov 30, 2004

Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus

CANON KK95 citations98

US6266500B1Jul 24, 2001

Developing apparatus and process cartridge

CANON KK98 citations98

US6070028AMay 30, 2000

Process cartridge, electrophotographic image forming apparatus and coupling therebetween

CANON KK114 citations98

US5943528AAug 24, 1999

Toner accommodating container with a gripping cover feature usable with a process cartridge, a process cartridge using the same, and an apparatus using the process cartridge

CANON KK99 citations98

US5828928AOct 27, 1998

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

CANON KK114 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

US5585895ADec 17, 1996

Developing device and process cartridge with it

CANON KK143 citations98

US6898392B2May 24, 2005

Process cartridge and electrophotographic image forming apparatus

CANON KK64 citations96

US6836639B2Dec 28, 2004

Cleaning apparatus having a cleaning member, a cleaning frame, and a connecting portion connecting both end surfaces of the frame

CANON KK58 citations96

US6408142B1Jun 18, 2002

Process cartridge and image forming apparatus

CANON KK70 citations96

US6308028B1Oct 23, 2001

Process cartridge having a particular electrical contact arrangement and image forming apparatus using such a process cartridge

CANON KK47 citations96

US6118961ASep 12, 2000

Detachable two-frame process cartridge for an image forming apparatus

CANON KK46 citations96

US6101354AAug 8, 2000

Electrophotographic image forming apparatus to which a process cartridge is detachably mountable and such a process cartridge whose developing member is supported at a position which deviates from a developing position

CANON KK86 citations96

US6064842AMay 16, 2000

Process cartridge having a conductive member for use in detecting presence of the process cartridge, and image forming apparatus for using such a process cartridge

CANON KK57 citations96

US5987278ANov 16, 1999

Process cartridge and image forming apparatus usable therewith

CANON KK46 citations96

US5953560ASep 14, 1999

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

CANON KK50 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

US5884124AMar 16, 1999

Dip sheet adhering method, cleaning device, process and image forming apparatus

CANON KK61 citations96

US5812909ASep 22, 1998

Developing device

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

US5682579AOct 28, 1997

Detachable two-frame process cartridge for an image forming apparatus

CANON KK42 citations96

US5652647AJul 29, 1997

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

CANON KK69 citations96

US5638161AJun 10, 1997

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

CANON KK54 citations96

US5619309AApr 8, 1997

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

CANON KK56 citations96

US5208634AMay 4, 1993

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

CANON KK93 citations96

US5455665AOct 3, 1995

Cleaning apparatus with a member to prevent peeling of a guide member, and a process cartridge and image forming apparatus using the same

CANON KK79 citations95

US7912404B2Mar 22, 2011

Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frame

CANON KK21 citations93

US7073251B2Jul 11, 2006

Disassembling tool for process cartridge

CANON KK42 citations93

US6987938B2Jan 17, 2006

Process cartridge and image forming apparatus

CANON KK34 citations93

US6859627B2Feb 22, 2005

Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frame

CANON KK19 citations93

US6804475B2Oct 12, 2004

Process cartridge comprising grounding, charging bias, and developing bias contacts and input and output contacts, and electrophotographic image forming apparatus to which the process cartridge is detachably mountable

CANON KK51 citations93

US6738589B2May 18, 2004

Process cartridge including convex and concave portions and electrophotographic image forming apparatus to which such a process cartridge is detachably mountable

CANON KK20 citations93

US6697578B2Feb 24, 2004

Memory member, unit, process cartridge and electrophotographic image forming apparatus

CANON KK25 citations93

Showing the top 50 of 84 patents by PatentIndex Score.

KARAKAMA TOSHIYUKI

Patents

Process cartridge having electrical contact connectable to electrical contact in electrophotographic image forming apparatus

Recycle method for process cartridge and image forming apparatus

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

Process cartridge and image forming apparatus using such a process cartridge

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

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

Detachable two-frame process cartridge for an image forming apparatus

Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus

Process cartridge assembling method, process cartridge remanufacturing method, and connecting member

Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus

Developing apparatus and process cartridge

Process cartridge, electrophotographic image forming apparatus and coupling therebetween

Toner accommodating container with a gripping cover feature usable with a process cartridge, a process cartridge using the same, and an apparatus using the process cartridge

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

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

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

Developing device and process cartridge with it

Process cartridge and electrophotographic image forming apparatus

Cleaning apparatus having a cleaning member, a cleaning frame, and a connecting portion connecting both end surfaces of the frame

Process cartridge and image forming apparatus

Process cartridge having a particular electrical contact arrangement and image forming apparatus using such a process cartridge

Detachable two-frame process cartridge for an image forming apparatus

Electrophotographic image forming apparatus to which a process cartridge is detachably mountable and such a process cartridge whose developing member is supported at a position which deviates from a developing position

Process cartridge having a conductive member for use in detecting presence of the process cartridge, and image forming apparatus for using such a process cartridge

Process cartridge and image forming apparatus usable therewith

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

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

Dip sheet adhering method, cleaning device, process and image forming apparatus

Developing device

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

Detachable two-frame process cartridge for an image forming apparatus

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

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

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

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

Cleaning apparatus with a member to prevent peeling of a guide member, and a process cartridge and image forming apparatus using the same

Cartridge and electrophotographic image forming apparatus

Disassembling tool for process cartridge

Process cartridge remanufacturing method

Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frame

Disassembling tool for process cartridge

Process cartridge and image forming apparatus

Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frame

Process cartridge comprising grounding, charging bias, and developing bias contacts and input and output contacts, and electrophotographic image forming apparatus to which the process cartridge is detachably mountable

Process cartridge including convex and concave portions and electrophotographic image forming apparatus to which such a process cartridge is detachably mountable

Memory member, unit, process cartridge and electrophotographic image forming apparatus