Inventor
YASUI KOJIRO
JP36 patents
Patents
36 patentsUS6681088B2Jan 20, 2004
Process cartridge, image forming apparatus and separating mechanism for separating developing member from photosensitive drum
CANON KK250 citations99
US7085516B2Aug 1, 2006
Process cartridge and electrophotographic image forming apparatus
CANON KK76 citations98
US7068965B2Jun 27, 2006
Developing cartridge, side cover mounting method and electrophotographic image forming apparatus
CANON KK77 citations98
US7016626B2Mar 21, 2006
Electrophotographic photosensitive drum having caulked flanges, process cartridge having such a drum, and image forming apparatus having such a process cartridge
CANON KK109 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
US9885978B2Feb 6, 2018
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus
CANON KK30 citations94
US9665040B2May 30, 2017
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus
CANON KK31 citations94
US9529304B2Dec 27, 2016
Developer accommodating unit, process cartridge, and electrophotographic image forming apparatus
CANON KK35 citations94
US9383678B2Jul 5, 2016
Developer accommodating container, process cartridge and image forming apparatus
CANON KK25 citations94
US9304440B2Apr 5, 2016
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus
CANON KK32 citations94
US9302801B2Apr 5, 2016
Developer accommodating unit, manufacturing method thereof, process cartridge and image forming apparatus
CANON KK30 citations94
US9291942B2Mar 22, 2016
Developer accommodating unit, process cartridge and image forming apparatus
CANON KK26 citations94
US9207581B2Dec 8, 2015
Developer accommodating unit, developing device, process cartridge and image forming apparatus
CANON KK48 citations94
US9152081B2Oct 6, 2015
Developer accommodating container, process cartridge, electrophotographic image forming apparatus
CANON KK29 citations94
US9146500B2Sep 29, 2015
Developer accommodating unit
CANON KK35 citations94
US6859629B2Feb 22, 2005
Image forming apparatus having developer container with light transmitting window used for remaining developer amount detection
CANON KK48 citations93
US6654583B2Nov 25, 2003
Developing apparatus
CANON KK49 citations93
US10175609B2Jan 8, 2019
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus
CANON KK13 citations92
US9341983B2May 17, 2016
Developer accommodating unit, developing device, process cartridge and image forming apparatus
CANON KK22 citations92
US10620567B2Apr 14, 2020
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus
CANON KK4 citations84
US10001727B2Jun 19, 2018
Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatus
CANON KK4 citations84
US9599930B2Mar 21, 2017
Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatus
CANON KK7 citations84
US9360831B2Jun 7, 2016
Developing unit, process cartridge and image forming apparatus
CANON KK11 citations84
US9304439B2Apr 5, 2016
Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatus
CANON KK9 citations84
USD599846SSep 8, 2009
Process cartridge
CANON KK15 citations84
USD599847SSep 8, 2009
Toner cartridge
CANON KK10 citations84
US6839529B2Jan 4, 2005
Developing device and process cartridge
CANON KK7 citations74
US10739702B2Aug 11, 2020
Developer accommodating unit, cartridge and image forming apparatus
CANON KK2 citations73
US10162289B2Dec 25, 2018
Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatus
CANON KK3 citations73
US9715191B2Jul 25, 2017
Powder feeding mechanism, powder feeding method, developer accommodating container, cartridge and image forming apparatus
CANON KK6 citations73
US9366994B2Jun 14, 2016
Developer container, cartridge, and image forming apparatus
CANON KK3 citations73
US8824918B2Sep 2, 2014
Developer accommodating unit, process cartridge, electrophotographic image forming apparatus
CANON KK4 citations73
US11221584B2Jan 11, 2022
Image forming apparatus and cartridge with a coupling member that contacts another coupling member by an electrostatic adsorption force
CANON KK0 citations52
US9250565B2Feb 2, 2016
Developing device, process cartridge, and image forming apparatus
CANON KK0 citations42
US9042769B2May 26, 2015
Developing device, process cartridge, and image forming apparatus
CANON KK0 citations42