Inventor
KATSURA TAIJI
JP29 patents
Patents
29 patentsUS11003105B2May 11, 2021
Toner and toner manufacturing method
CANON KK21 citations94
US11003104B2May 11, 2021
Toner
CANON KK21 citations94
US10976679B2Apr 13, 2021
Toner
CANON KK21 citations94
US10942466B2Mar 9, 2021
Toner with an external additive of an organosilicon polymer particle having a hydroxyl group
CANON KK21 citations94
US10114303B2Oct 30, 2018
Toner
CANON KK46 citations94
US9632441B2Apr 25, 2017
Toner
CANON KK34 citations94
US9720340B2Aug 1, 2017
Toner
CANON KK33 citations92
US11249408B2Feb 15, 2022
Toner
CANON KK12 citations86
US11169460B2Nov 9, 2021
Toner
CANON KK19 citations86
US10635011B2Apr 28, 2020
Toner
CANON KK17 citations85
US8980517B2Mar 17, 2015
Toner
CANON KK11 citations84
US11573519B2Feb 7, 2023
Electrophotographic apparatus and process cartridge
CANON KK4 citations73
US9645518B2May 9, 2017
Toner
CANON KK3 citations73
US9563142B2Feb 7, 2017
Toner
CANON KK2 citations73
US12596315B2Apr 7, 2026
Toner
CANON KK0 citations62
US12585209B2Mar 24, 2026
Toner
CANON KK0 citations62
US12547089B2Feb 10, 2026
Toner and toner production method
CANON KK0 citations62
US10409186B2Sep 10, 2019
Toner and image forming method
CANON KK1 citations62
US9005865B2Apr 14, 2015
Toner
CANON KK2 citations62
US11841681B2Dec 12, 2023
Toner
CANON KK0 citations59
US12405545B2Sep 2, 2025
Toner and method for producing toner
CANON KK0 citations52
US12271150B2Apr 8, 2025
Toner
CANON KK0 citations52
US12147172B2Nov 19, 2024
Developing device, cleaning method, process cartridge and electrophotographic image forming apparatus
CANON KK0 citations52
US12474649B2Nov 18, 2025
Toner and method for producing toner
CANON KK0 citations51
US11960242B2Apr 16, 2024
Toner
CANON KK0 citations51
US12443119B2Oct 14, 2025
Process cartridge and electrophotographic apparatus
CANON KK0 citations48
US12210317B2Jan 28, 2025
Toner, external additive for toner, and fine particle
CANON KK0 citations48
US9494887B2Nov 15, 2016
Toner
CANON KK0 citations42
US9023575B2May 5, 2015
Toner and method for producing toner
CANON KK0 citations41