Inventor
ISOBE HIRONOBU
JP32 patents
Patents
32 patentsUS6064843AMay 16, 2000
Process cartridge and image forming apparatus
CANON KK177 citations99
US5585889ADec 17, 1996
Process cartridge and image forming apparatus
CANON KK335 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
US7082276B2Jul 25, 2006
Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus
CANON KK79 citations98
US6983115B2Jan 3, 2006
Developing cartridge and process cartridge having first and second projected portions and image forming apparatus mounting such a developing cartridge
CANON KK79 citations98
US6826380B2Nov 30, 2004
Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus
CANON KK95 citations98
US6782219B2Aug 24, 2004
Cartridge and electrophotographic image forming apparatus
CANON KK101 citations98
US6564029B2May 13, 2003
Cartridge having developer supply opening and image forming apparatus usable therewith
CANON KK85 citations98
US6463233B2Oct 8, 2002
Process cartridge having first and second cartridge guiding portions and an electrophotographic image forming apparatus to which the process cartridge is attached
CANON KK133 citations98
US6442359B1Aug 27, 2002
Process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus comprising means for rotating a charging unit if first and second rotational directions and the apparatus mounting such a process cartridge
CANON KK126 citations98
US6324370B1Nov 27, 2001
Electrophotographic image forming apparatus detachably mounting a developer replenishing container or in which a plurality of cartridges and developer replenishing containers are attachably and detachably positioned
CANON KK106 citations98
US7155137B2Dec 26, 2006
Process cartridge, developing cartridge and developing roller
CANON KK46 citations96
US6978100B2Dec 20, 2005
Process cartridge, developing cartridge and developing roller
CANON KK46 citations96
US6418292B1Jul 9, 2002
Developer replenishing container with movable shutter feature, cartridge and image forming apparatus employing developer replenishing container
CANON KK65 citations96
US5995782ANov 30, 1999
Developing cartridge with mounting positioning feature and image forming apparatus using the same
CANON KK60 citations96
US5923926AJul 13, 1999
Developing device and electrophotographic image forming apparatus
CANON KK27 citations93
US5383655AJan 24, 1995
Sheet feeding apparatus
CANON KK27 citations93
US5155537AOct 13, 1992
Sheet feeding apparatus with a plurality of easily loaded cassettes
CANON KK53 citations93
US6754454B1Jun 22, 2004
Image forming apparatus capable of discriminating a service life of detachably mounted process unit
CANON KK16 citations92
US6704521B2Mar 9, 2004
Image forming apparatus and image forming method
CANON KK28 citations92
USD477631SJul 22, 2003
Developing cartridge
CANON KK30 citations92
US6556800B2Apr 29, 2003
Developer supply container and image forming apparatus capable of mounting the container thereon
CANON KK23 citations92
US6381419B1Apr 30, 2002
Image forming apparatus with developer density and developer remaining amount detection features
CANON KK25 citations92
US5739900AApr 14, 1998
Cylindrical member and engagement member assembly using plural fitting portion pairs
CANON KK34 citations92
US5283619AFeb 1, 1994
Developing apparatus and process cartridge having same
CANON KK39 citations92
US7110684B2Sep 19, 2006
Cartridge for replenishing developer including a memory device and a control system featuring the cartridge
CANON KK14 citations84
US6839534B2Jan 4, 2005
Image forming apparatus and developer supply container removably mountable in image forming apparatus
CANON KK16 citations84
US6295429B1Sep 25, 2001
Image forming apparatus featuring intermittent operation of a developing unit supporting rotary member based on fixing temperature
CANON KK15 citations84
US6253043B1Jun 26, 2001
Developer sealing member and developing apparatus provided with the same
CANON KK6 citations74
US6064844AMay 16, 2000
Developing apparatus
CANON KK12 citations74
US6718144B2Apr 6, 2004
Image forming apparatus and process unit mountable to image forming apparatus
CANON KK2 citations63