Inventor
SUGAHARA NOBUYOSHI
JP38 patents
Patents
38 patentsUS7396626B2Jul 8, 2008
Toner
CANON KK55 citations98
US7288348B2Oct 30, 2007
Color toner
CANON KK60 citations98
US7279262B2Oct 9, 2007
Magnetic carrier and two-component developer
CANON KK60 citations98
US7147980B2Dec 12, 2006
Toner and image forming apparatus
CANON KK69 citations98
US6751424B2Jun 15, 2004
Image-forming method in high-speed mode and in low-speed mode
CANON KK71 citations98
US9778598B2Oct 3, 2017
Magnetic carrier
CANON KK24 citations94
US9599920B2Mar 21, 2017
Magnetic carrier and two-component developer
CANON KK29 citations94
US9500975B2Nov 22, 2016
Magnetic carrier and two-component developer
CANON KK30 citations93
US7442478B2Oct 28, 2008
Toner and method for forming image
CANON KK34 citations93
US7396629B2Jul 8, 2008
Image forming method and image forming apparatus
CANON KK53 citations93
US7320850B2Jan 22, 2008
Magenta toner
CANON KK25 citations93
US7297455B2Nov 20, 2007
Toner, and image forming method
CANON KK40 citations93
US6528222B2Mar 4, 2003
Toner
CANON KK49 citations93
US7300733B2Nov 27, 2007
Black toner with defined loss tangent
CANON KK38 citations92
US7144668B2Dec 5, 2006
Toner and two-component developer
CANON KK37 citations92
US7138213B2Nov 21, 2006
Cyan toner and method for forming an image
CANON KK34 citations92
US6929894B2Aug 16, 2005
Toner and fixing method
CANON KK37 citations92
US6326114B1Dec 4, 2001
Toner, and process for producing a toner
CANON KK33 citations92
US9958809B2May 1, 2018
Magnetic carrier
CANON KK18 citations86
US10409188B2Sep 10, 2019
Magnetic carrier, two-component developer, replenishing developer, and image forming method
CANON KK10 citations84
US10007206B2Jun 26, 2018
Magnetic carrier, two-component developer, replenishing developer, and image-forming method
CANON KK11 citations84
US9785070B2Oct 10, 2017
Magnetic carrier, two-component developer, replenishment developer, and image formation method
CANON KK14 citations84
US7983581B2Jul 19, 2011
Fixing method and fixing device with specified temperature relationships for recording medium
CANON KK7 citations84
US7272348B2Sep 18, 2007
Developing method using a developer with a specified degree of compression and shearing stress
CANON KK12 citations84
US7022449B2Apr 4, 2006
Black toner with defined loss tangent
CANON KK15 citations84
US10877391B2Dec 29, 2020
Magnetic carrier, two-component developer, replenishing developer, and image forming method
CANON KK5 citations73
US10859936B2Dec 8, 2020
Magnetic carrier, two-component developer, replenishment developer, and image forming method
CANON KK5 citations73
US10838317B2Nov 17, 2020
Magnetic carrier, two-component developer, replenishing developer, and image forming method
CANON KK5 citations73
US11698594B2Jul 11, 2023
Toner
CANON KK2 citations72
US12429793B2Sep 30, 2025
Magnetic carrier and two-component developer
CANON KK0 citations52
US12386282B2Aug 12, 2025
Magnetic carrier, two-component developer, and developer for replenishment
CANON KK0 citations52
US10852653B2Dec 1, 2020
Magnetic carrier, two-component developer, developer for replenishment, and image forming method
CANON KK0 citations52
US7381515B2Jun 3, 2008
Image forming method and image forming apparatus
CANON KK1 citations52
US12429791B2Sep 30, 2025
Toner
CANON KK0 citations51
US12099326B2Sep 24, 2024
Toner
CANON KK0 citations51
US9541853B2Jan 10, 2017
Magnetic carrier, two-component developer, replenishing developer, and image forming method
CANON KK0 citations40
US9513571B2Dec 6, 2016
Magnetic carrier, two-component developer, developer for replenishment, and image forming method
CANON KK0 citations40
US9341973B2May 17, 2016
Magnetic carrier, two-component developer, developer for replenishment, and image forming method
CANON KK0 citations40