Inventor
NOMURA YOSHIYA
JP41 patents
Patents
41 patentsUS6215969B1Apr 10, 2001
Toner container, toner container assembling method, process cartridge, and electrophotographic image forming apparatus
CANON KK179 citations99
US6072968AJun 6, 2000
Process cartridge, assembling method for process cartridge and electrophotographic image forming apparatus
CANON KK165 citations99
US6064843AMay 16, 2000
Process cartridge and image forming apparatus
CANON KK177 citations99
US6029031AFeb 22, 2000
Process cartridge and remanufacturing method
CANON KK207 citations99
US5878309AMar 2, 1999
Toner container, toner container assembling method, process cartridge, and electrophotographic image forming apparatus
CANON KK208 citations99
US5839028ANov 17, 1998
Process cartridge and refilling method therefor
CANON KK185 citations99
US5452056ASep 19, 1995
Image forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridge
CANON KK274 citations99
US5331373AJul 19, 1994
Image forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridge
CANON KK291 citations99
US5294960AMar 15, 1994
Detachable two-frame process cartridge for an image forming apparatus
CANON KK144 citations99
US6343192B1Jan 29, 2002
Developing device frame, process cartridge, and electrophotographic image forming apparatus
CANON KK111 citations98
US6226476B1May 1, 2001
Developing device holder having antenna contact mounting unit
CANON KK83 citations98
US6084622AJul 4, 2000
Frame structure and an image forming apparatus using such a frame structure
CANON KK171 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
US5528341AJun 18, 1996
Process cartridge with rotary member having bearing attachment portions of different diameters, and method for refusing such a rotary member
CANON KK121 citations98
US5345294ASep 6, 1994
Process cartridge and image forming apparatus using same
CANON KK127 citations98
US6272300B1Aug 7, 2001
Remanufacturing method for process cartridge, process cartridge and image forming apparatus
CANON KK68 citations96
US6169865B1Jan 2, 2001
Developing device frame process cartridge and electrophotographic image forming apparatus
CANON KK80 citations96
US6118961ASep 12, 2000
Detachable two-frame process cartridge for an image forming apparatus
CANON KK46 citations96
US5987278ANov 16, 1999
Process cartridge and image forming apparatus usable therewith
CANON KK46 citations96
US5907749AMay 25, 1999
Process cartridge and image forming apparatus usable therewith
CANON KK65 citations96
US5867751AFeb 2, 1999
Process cartridge detachably mountable to an image forming apparatus having an improved arrangement of voltage applying members
CANON KK66 citations96
US5697022ADec 9, 1997
Process cartridge, image forming apparatus usable therewith and process cartridge assembling method
CANON KK96 citations96
US5682579AOct 28, 1997
Detachable two-frame process cartridge for an image forming apparatus
CANON KK42 citations96
US5678139AOct 14, 1997
Process cartridge with shutter for protecting photosensitive drum
CANON KK75 citations96
US5650841AJul 22, 1997
Process cartridge, image forming apparatus usable therewith and toner seal mounting method for process cartridge
CANON KK78 citations96
US5642187AJun 24, 1997
Process cartridge, image forming apparatus usable therewith and image forming system
CANON KK94 citations96
US5634178AMay 27, 1997
Gear unit, image forming apparatus and gear unit mounting method
CANON KK79 citations96
US5561496AOct 1, 1996
Image forming apparatus, assembling method of image forming apparatus, and mounting method of outer casing
CANON KK52 citations96
US5559581ASep 24, 1996
Image forming apparatus with helical gear drive train
CANON KK56 citations96
US5825472AOct 20, 1998
Photosensitive drum, process cartridge and image forming apparatus
CANON KK91 citations95
US6208816B1Mar 27, 2001
Developing device, process cartridge, electrophotographic image forming apparatus and agitating member
CANON KK27 citations93
US6201935B1Mar 13, 2001
Electrophotographic image forming apparatus, electrophotographic image forming system, and process cartridge
CANON KK23 citations93
US5907751AMay 25, 1999
Process cartridge with mounting projections and image forming apparatus using such a process cartridge
CANON KK50 citations93
US5787323AJul 28, 1998
Image forming apparatus having a detachably mountable process cartridge
CANON KK46 citations92
US5432590AJul 11, 1995
Image forming apparatus with rotatable member press-contacted to image bearing member
CANON KK38 citations92
US5283619AFeb 1, 1994
Developing apparatus and process cartridge having same
CANON KK39 citations92
US5258811ANov 2, 1993
Image forming system and process cartridge removably mountable on same
CANON KK47 citations92
US6826373B2Nov 30, 2004
Process cartridge, an image forming apparatus, and system designed to block attachment of a process cartridge to an apparatus functionally different from the apparatus to which the process cartridge is designed to be attached
CANON KK19 citations84
US6324364B1Nov 27, 2001
Electrophotographic photosensitive drum, process cartridge, and electrophotographic image forming apparatus
CANON KK11 citations74
US5272505ADec 21, 1993
Charging device, process unit having same and image forming apparatus using process unit
CANON KK18 citations74