Inventor
TOMINAGA TSUNEYOSHI
JP35 patents
⚠️ This page may combine multiple inventors who share the name “TOMINAGA TSUNEYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
33 patentsUS10545422B2Jan 28, 2020
Toner
CANON KK39 citations97
US10503090B2Dec 10, 2019
Toner
CANON KK41 citations97
US10429757B2Oct 1, 2019
Toner
CANON KK41 citations97
US10303074B2May 28, 2019
Toner
CANON KK41 citations97
US11003105B2May 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
US9921501B2Mar 20, 2018
Toner and process for producing toner
CANON KK45 citations94
US9897932B2Feb 20, 2018
Toner
CANON KK37 citations94
US9829820B2Nov 28, 2017
Toner and method for producing toner
CANON KK34 citations94
US9785077B2Oct 10, 2017
Toner
CANON KK28 citations94
US9733583B2Aug 15, 2017
Toner
CANON KK27 citations94
US9733584B2Aug 15, 2017
Toner
CANON KK24 citations94
US9423708B2Aug 23, 2016
Method for producing toner particle
CANON KK38 citations94
US9720340B2Aug 1, 2017
Toner
CANON KK33 citations92
US8383313B2Feb 26, 2013
Toner
CANON KK23 citations92
US8372573B2Feb 12, 2013
Toner
CANON KK34 citations92
US11249408B2Feb 15, 2022
Toner
CANON KK12 citations86
US11169460B2Nov 9, 2021
Toner
CANON KK19 citations86
US11061342B2Jul 13, 2021
Electrophotographic apparatus, process cartridge and cartridge set
CANON KK9 citations85
US10845721B2Nov 24, 2020
Toner
CANON KK16 citations85
US10635011B2Apr 28, 2020
Toner
CANON KK17 citations85
US7858282B2Dec 28, 2010
Toner
CANON KK9 citations84
US11320756B2May 3, 2022
Electrophotographic apparatus, process cartridge, and cartridge set
CANON KK5 citations73
US9864290B2Jan 9, 2018
Toner for electrophotographic processes and electrostatic printing processes
CANON KK4 citations73
US12429789B2Sep 30, 2025
Toner and method for producing toner
CANON KK0 citations62
US12429790B2Sep 30, 2025
Toner and method for producing toner
CANON KK0 citations62
US9529289B2Dec 27, 2016
Method for producing toner particles
CANON KK2 citations59
US11448982B2Sep 20, 2022
Electrophotographic apparatus, process cartridge, and cartridge set
CANON KK0 citations52
US9556300B2Jan 31, 2017
Method for manufacturing resin particles and method for manufacturing toner particles
CANON KK0 citations52
US12449742B2Oct 21, 2025
Toner and method for manufacturing toner
CANON KK0 citations51
US10324399B2Jun 18, 2019
Image forming apparatus and image forming method
CANON KK0 citations41