Inventor
NITTANI SUSUMU
JP79 patents
⚠️ This page may combine multiple inventors who share the name “NITTANI SUSUMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
42 patentsUS7509071B2Mar 24, 2009
Image forming apparatus detachably mounting a process cartridge having developing roller movable to contact and be spaced from a photosensitive drum
CANON KK92 citations99
US6980758B2Dec 27, 2005
Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus
CANON KK155 citations99
US6681088B2Jan 20, 2004
Process cartridge, image forming apparatus and separating mechanism for separating developing member from photosensitive drum
CANON KK250 citations99
US6463234B2Oct 8, 2002
Process cartridge and electrophotographic image forming apparatus
CANON KK171 citations99
US7953340B2May 31, 2011
Process cartridge having electrical contact and image forming apparatus having electrical contact in urging member
CANON KK44 citations98
US7890012B2Feb 15, 2011
Process cartridge having a drum, a developing roller, and first and second frames, and electrophotographic image forming apparatus on which such process cartridge is mountable
CANON KK60 citations98
US7813671B2Oct 12, 2010
Process cartridge and electrophotographic image forming apparatus
CANON KK63 citations98
US7715746B2May 11, 2010
Process cartridge having electrical contact and image forming apparatus having electrical contact in urging member
CANON KK63 citations98
US7340197B2Mar 4, 2008
Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus
CANON KK62 citations98
US7162181B2Jan 9, 2007
Remanufacturing method for process cartridge
CANON KK74 citations98
US7088939B2Aug 8, 2006
Process cartridge and electrophotographic image forming apparatus
CANON KK80 citations98
US7072603B2Jul 4, 2006
Process cartridge and holding member
CANON KK106 citations98
US7027756B2Apr 11, 2006
Process cartridge and assemblying method therefor
CANON KK97 citations98
US6834171B2Dec 21, 2004
Developer container having a grip member, process cartridge mountable to an image forming apparatus having such a developer container, an image forming apparatus detachably mounting a process cartridge having such a developer container, a bearing structure having a grip member, and a side cover having a grip member
CANON KK98 citations98
US6459869B2Oct 1, 2002
Process cartridge and image forming apparatus
CANON KK119 citations98
US6256467B1Jul 3, 2001
Side cover of developing cartridge, mounting method thereof and developing cartridge
CANON KK95 citations98
US7894733B2Feb 22, 2011
Process cartridge and image forming apparatus
CANON KK42 citations96
US7869740B2Jan 11, 2011
Process cartridge and image forming apparatus
CANON KK37 citations96
US7860433B2Dec 28, 2010
Process cartridge and electrophotographic image forming apparatus
CANON KK44 citations96
US7272339B2Sep 18, 2007
Process cartridge including first and second frames and separating member moving the second frame to a separated position and image forming apparatus detachably mounting the cartridge
CANON KK58 citations96
US7215909B2May 8, 2007
Developing device, and process cartridge maintaining position of developing roller, and image forming apparatus using these
CANON KK67 citations96
US6282395B1Aug 28, 2001
Developing device and process cartridge
CANON KK62 citations96
US7024137B2Apr 4, 2006
Developing device, developing cartridge, and process cartridge each urging developing roller into regulating portion, and image forming apparatus having such developing device or process cartridge
CANON KK46 citations94
US8971760B2Mar 3, 2015
Process cartridge and image forming apparatus
CANON KK10 citations93
US8712284B2Apr 29, 2014
Process cartridge and electrophotographic image forming apparatus
CANON KK19 citations93
US7386241B2Jun 10, 2008
Processing cartridge rotating a drum shaft in different directions and image forming apparatus mounting such a cartridge
CANON KK42 citations93
US6654583B2Nov 25, 2003
Developing apparatus
CANON KK49 citations93
US6622001B2Sep 16, 2003
Cleaning unit with conveying device
CANON KK22 citations93
US6535709B2Mar 18, 2003
Developing apparatus featuring an end of a regulating member coupled to a supporting member of the apparatus, regulating member, and method for assembling the same
CANON KK25 citations93
US6438347B2Aug 20, 2002
Developing device featuring a control member having a center portion width wider than end portions width in a longitudinal direction thereof for controlling developer thickness and method for using same
CANON KK39 citations93
US6070027AMay 30, 2000
Developing apparatus with auxiliary seal disposed outside of end seal
CANON KK41 citations93
US8862015B2Oct 14, 2014
Image forming apparatus with urging member that establishes electrical connection with a cartridge
CANON KK18 citations92
US7856192B2Dec 21, 2010
Process cartridge and electrophotographic image forming apparatus
CANON KK44 citations92
US7088938B2Aug 8, 2006
Seal member, developing apparatus, process cartridge and image forming apparatus
CANON KK21 citations92
US11467514B2Oct 11, 2022
Image forming apparatus and image forming system
CANON KK8 citations85
US11460802B2Oct 4, 2022
Process cartridge and image forming apparatus
CANON KK2 citations84
US11215949B2Jan 4, 2022
Process cartridge and image forming apparatus
CANON KK2 citations84
US10234820B2Mar 19, 2019
Process cartridge and image forming apparatus
CANON KK2 citations84
US10162304B2Dec 25, 2018
Process cartridge and image forming apparatus
CANON KK3 citations84
US9829856B2Nov 28, 2017
Process cartridge and image forming apparatus
CANON KK2 citations84
USD631092SJan 18, 2011
Process cartridge
CANON KK15 citations84
US7512361B2Mar 31, 2009
Process cartridge whose developing roller and drum contact and separate from each other and image forming apparatus using such cartridge
CANON KK16 citations84
KOISHI ISAO
2 patentsYOSHIMURA AKIRA
2 patentsTANABE MASATO
1 patentKUBO YUKIO
1 patentNITTANI SUSUMU
1 patentTOBA SHINJIRO
1 patentShowing the top 50 of 79 patents by PatentIndex Score.