Inventor
ISHIGAMI KOH
JP47 patents
⚠️ This page may combine multiple inventors who share the name “ISHIGAMI KOH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
37 patentsUS9665023B2May 30, 2017
Toner and two-component developer
CANON KK53 citations98
US8927188B2Jan 6, 2015
Method of producing magnetic carrier and magnetic carrier that uses this production method
CANON KK60 citations98
US7767370B2Aug 3, 2010
Two-component developer, replenishing developer, and image-forming method
CANON KK47 citations98
US7396626B2Jul 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
US7939233B2May 10, 2011
Magnetic carrier and two-component developer
CANON KK58 citations97
US7927775B2Apr 19, 2011
Magnetic carrier and two component developer
CANON KK58 citations97
US7858283B2Dec 28, 2010
Magnetic carrier and two-component developer
CANON KK57 citations97
US7611813B2Nov 3, 2009
Toner and image forming method
CANON KK58 citations97
US10775710B1Sep 15, 2020
Toner
CANON KK33 citations94
US10423090B2Sep 24, 2019
Magenta toner and toner kit
CANON KK30 citations94
US10234777B2Mar 19, 2019
Toner and method for manufacturing toner
CANON KK34 citations94
US10216108B2Feb 26, 2019
Toner production method and polymer
CANON KK33 citations94
US10133201B2Nov 20, 2018
Toner
CANON KK34 citations94
US10012918B2Jul 3, 2018
Toner and method for producing toner
CANON KK37 citations94
US10012921B2Jul 3, 2018
Toner
CANON KK37 citations94
US9969834B2May 15, 2018
Wax dispersant for toner and toner
CANON KK42 citations94
US9915885B2Mar 13, 2018
Toner
CANON KK35 citations94
US9063443B2Jun 23, 2015
Magnetic carrier and two-component developer
CANON KK50 citations94
US9058924B2Jun 16, 2015
Magnetic carrier and two-component developer
CANON KK50 citations94
US8974994B2Mar 10, 2015
Magnetic carrier, two-component developer, and developer for replenishment
CANON KK33 citations94
US8921023B2Dec 30, 2014
Magnetic carrier and two-component developer
CANON KK51 citations94
US7629100B2Dec 8, 2009
Toner
CANON KK36 citations93
US7396629B2Jul 8, 2008
Image forming method and image forming apparatus
CANON KK53 citations93
US7906262B2Mar 15, 2011
Two-component developer, replenishing developer, and image-forming method
CANON KK32 citations92
US10642178B2May 5, 2020
Toner
CANON KK17 citations85
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
US11429032B2Aug 30, 2022
Toner and method of producing toner
CANON KK6 citations74
US11720036B2Aug 8, 2023
Toner
CANON KK3 citations73
US11698594B2Jul 11, 2023
Toner
CANON KK2 citations72
US7912389B2Mar 22, 2011
Image forming apparatus
CANON KK2 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
US10809640B2Oct 20, 2020
Toner
CANON KK0 citations51