Inventor
KOBORI TAKAKUNI
JP43 patents
⚠️ This page may combine multiple inventors who share the name “KOBORI TAKAKUNI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
40 patentsUS9152088B1Oct 6, 2015
Developer replenishing cartridge and developer replenishing method
CANON KK57 citations98
US7288348B2Oct 30, 2007
Color toner
CANON KK60 citations98
US7279262B2Oct 9, 2007
Magnetic carrier and two-component developer
CANON KK60 citations98
US6670087B2Dec 30, 2003
Toner, image-forming apparatus, process cartridge and image forming method
CANON KK59 citations96
US6235441B1May 22, 2001
Positively chargeable toner, image forming method and image forming apparatus
CANON KK67 citations96
US6203959B1Mar 20, 2001
Toner
CANON KK80 citations96
US10474049B2Nov 12, 2019
Toner
CANON KK32 citations94
US10451986B2Oct 22, 2019
Toner
CANON KK32 citations94
US10401748B2Sep 3, 2019
Toner
CANON KK35 citations94
US10197936B2Feb 5, 2019
Toner
CANON KK39 citations94
US10175595B2Jan 8, 2019
Toner
CANON KK41 citations94
US10146146B2Dec 4, 2018
Toner and method of producing toner
CANON KK38 citations94
US10082743B2Sep 25, 2018
Toner
CANON KK35 citations94
US10036970B2Jul 31, 2018
Magenta toner
CANON KK36 citations94
US9665026B2May 30, 2017
Toner and two-component developer
CANON KK39 citations94
US9651883B2May 16, 2017
Toner
CANON KK41 citations94
US9436112B2Sep 6, 2016
Toner and two-component developer
CANON KK36 citations94
US9417540B2Aug 16, 2016
Toner and two-component developer
CANON KK49 citations94
US9348253B2May 24, 2016
Image-forming method
CANON KK45 citations94
US7855042B2Dec 21, 2010
Developer and image forming method
CANON KK51 citations94
US7147981B2Dec 12, 2006
Toner
CANON KK41 citations93
US6653036B1Nov 25, 2003
Magnetic toner and image forming method
CANON KK49 citations93
US6156471ADec 5, 2000
Toner and image forming method
CANON KK51 citations93
US6007957ADec 28, 1999
Magnetic toner, image forming method and process cartridge
CANON KK27 citations92
US6002895ADec 14, 1999
Process cartridge
CANON KK34 citations92
US5972553AOct 26, 1999
Toner for developing electrostatic image, process-cartridge and image forming method
CANON KK50 citations92
US5736288AApr 7, 1998
Toner for developing electrostatic images, process cartridge, and image forming method
CANON KK20 citations92
US5712073AJan 27, 1998
Toner for developing electrostatic image, apparatus unit and image forming method
CANON KK48 citations92
US5700616ADec 23, 1997
Developer for developing an electrostatic image and image forming method
CANON KK55 citations92
US5464722ANov 7, 1995
Production of toner for developing electrostatic images
CANON KK23 citations92
US5424810AJun 13, 1995
Magnetic toner, magnetic developer, apparatus unit, image forming apparatus and facsimile apparatus
CANON KK37 citations92
US10955765B2Mar 23, 2021
Magnetic carrier and two-component developer
CANON KK10 citations86
US10935902B2Mar 2, 2021
Toner
CANON KK10 citations86
US10642178B2May 5, 2020
Toner
CANON KK17 citations85
US5663026ASep 2, 1997
Magnetic toner, process cartridge and image forming method
CANON KK18 citations84
US11429032B2Aug 30, 2022
Toner and method of producing toner
CANON KK6 citations74
US11720036B2Aug 8, 2023
Toner
CANON KK3 citations73
US10620556B2Apr 14, 2020
Toner
CANON KK0 citations52
US10809640B2Oct 20, 2020
Toner
CANON KK0 citations51
US10048610B2Aug 14, 2018
Toner and method for manufacturing toner
CANON KK0 citations41