Inventor
HIGETA AKIRA
JP40 patents
⚠️ This page may combine multiple inventors who share the name “HIGETA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
39 patentsUS6400914B1Jun 4, 2002
Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus
CANON KK196 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
US6185390B1Feb 6, 2001
Electrophotographic image forming apparatus having process cartridge with particular arrangement of electrical contacts
CANON KK145 citations98
US5809374ASep 15, 1998
Process cartridge including a seal member formed from a liquid-foam material
CANON KK127 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
US6311026B1Oct 30, 2001
Process cartridge and image forming apparatus including means for detecting mounting of the process cartridge to main body of image forming apparatus, and process cartridge and developer cartridge including positioning portion
CANON KK73 citations96
US6101348AAug 8, 2000
Developing unit, process cartridge and electrophotographic image forming apparatus
CANON KK78 citations96
US5740499AApr 14, 1998
Image forming apparatus including process cartridge having elastic sealing members interposed between frames
CANON KK65 citations96
US5485249AJan 16, 1996
Process cartridge frame, process cartridge and image forming apparatus
CANON KK64 citations96
US5162857ANov 10, 1992
Sheet conveyer having a sheet aligner
CANON KK58 citations95
US5167409ADec 1, 1992
Apparatus and method for aligning a sheet against a side registrating member using plural alignment devices
CANON KK22 citations93
US7660545B2Feb 9, 2010
Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus
CANON KK9 citations92
US7630661B2Dec 8, 2009
Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus
CANON KK12 citations92
US7489885B2Feb 10, 2009
Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus
CANON KK16 citations92
US7231161B2Jun 12, 2007
Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus
CANON KK12 citations92
US6763209B2Jul 13, 2004
Process cartridge remanufacturing method
CANON KK22 citations92
US6721520B2Apr 13, 2004
Remanufacturing method for process cartridge
CANON KK38 citations92
US6643482B2Nov 4, 2003
Remanufacturing method for process cartridge
CANON KK40 citations92
US6615008B2Sep 2, 2003
Remanufacturing method for process cartridge
CANON KK24 citations92
US6519430B2Feb 11, 2003
Remanufacturing method comprising developing blade dismounting and mounting steps
CANON KK29 citations92
US6505020B1Jan 7, 2003
Remanufacturing method of process cartridge
CANON KK28 citations92
US4953846ASep 4, 1990
Apparatus for conveying a sheet obliquely
CANON KK26 citations92
US7062199B1Jun 13, 2006
Process cartridge remanufacturing method
CANON KK13 citations84
US6643481B2Nov 4, 2003
Remanufacturing method for process cartridge
CANON KK14 citations84
US6577829B2Jun 10, 2003
Remanufacturing method for a process cartridge having a toner seal that is unsealed upon the start of use of the cartridge comprising the steps of separating first and second units of the cartridge and recoupling the units without remounting the toner seal
CANON KK15 citations84
US6574445B2Jun 3, 2003
Method of remanufacturing process cartridge including additional seal mounting step
CANON KK18 citations84
US6493527B1Dec 10, 2002
Process cartridge
CANON KK14 citations84
US6473577B1Oct 29, 2002
Process cartridge remanufacturing method
CANON KK17 citations84
US6397025B1May 28, 2002
Process cartridge remanufacturing method
CANON KK15 citations84
US7920806B2Apr 5, 2011
Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatus
CANON KK4 citations74
US6415111B1Jul 2, 2002
Process cartridge and image forming apparatus having process cartridge that has a plurality of measuring electrode members
CANON KK10 citations74
US5682587AOct 28, 1997
Developing apparatus using hollow magnet roller
CANON KK17 citations74
US6735404B2May 11, 2004
Process cartridge and remanufacturing method therefor
CANON KK7 citations73
US5230503AJul 27, 1993
Sheet feeding apparatus with adjustable urging members
CANON KK13 citations72
US6714751B2Mar 30, 2004
Connecting pin for process cartridge, and process cartridge
CANON KK5 citations63
US5708913AJan 13, 1998
Coating apparatus, process cartridge and electrophotographic image forming apparatus
CANON KK4 citations63