Inventor
YOSHINO YASUFUMI
JP29 patents
⚠️ This page may combine multiple inventors who share the name “YOSHINO YASUFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
20 patentsUS7068965B2Jun 27, 2006
Developing cartridge, side cover mounting method and electrophotographic image forming apparatus
CANON KK77 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
US6915092B2Jul 5, 2005
Process cartridge remanufacturing method
CANON KK68 citations98
US6782219B2Aug 24, 2004
Cartridge and electrophotographic image forming apparatus
CANON KK101 citations98
US7756441B2Jul 13, 2010
Process cartridge and electrophotographic image forming apparatus
CANON KK38 citations96
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
US7929881B2Apr 19, 2011
Process cartridge and electrophotographic image forming apparatus
CANON KK40 citations93
US9310762B2Apr 12, 2016
Process cartridge and electrophotographic image forming apparatus
CANON KK11 citations92
US8805237B2Aug 12, 2014
Process cartridge and electrophotographic image forming apparatus
CANON KK21 citations92
US8385775B2Feb 26, 2013
Process cartridge and electrophotographic image forming apparatus
CANON KK23 citations92
USD633137SFeb 22, 2011
Process cartridge
CANON KK25 citations92
USD631089SJan 18, 2011
Process cartridge
CANON KK24 citations92
USD631091SJan 18, 2011
Process cartridge
CANON KK23 citations92
USD631088SJan 18, 2011
Process cartridge
CANON KK29 citations92
USD631090SJan 18, 2011
Process cartridge
CANON KK26 citations92
USD477631SJul 22, 2003
Developing cartridge
CANON KK30 citations92
USD599847SSep 8, 2009
Toner cartridge
CANON KK10 citations84
USD599846SSep 8, 2009
Process cartridge
CANON KK15 citations84
US7805093B2Sep 28, 2010
Process cartridge and electrophotographic image forming apparatus usable therewith
CANON KK5 citations63
KANNO KAZUHIKO
7 patentsUS8059988B2Nov 15, 2011
Process cartridge and electrophotographic image forming apparatus
KANNO KAZUHIKO43 citations94
US8494410B2Jul 23, 2013
Process cartridge and electrophotographic image forming apparatus
KANNO KAZUHIKO21 citations92
US8437661B2May 7, 2013
Process cartridge and electrophotographic image forming apparatus
KANNO KAZUHIKO21 citations92
US8170444B2May 1, 2012
Process cartridge and electrophotographic image forming apparatus
KANNO KAZUHIKO27 citations92
US8170445B2May 1, 2012
Process cartridge and electrophotographic image forming apparatus
KANNO KAZUHIKO23 citations92
US8155557B2Apr 10, 2012
Process cartridge and electrophotographic image forming apparatus
KANNO KAZUHIKO27 citations92
US8090292B2Jan 3, 2012
Process cartridge and electrophotographic image forming apparatus
KANNO KAZUHIKO26 citations92