Inventor
SUZUMURA YOSHITAKA
JP37 patents
⚠️ This page may combine multiple inventors who share the name “SUZUMURA YOSHITAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
32 patentsUS9239528B2Jan 19, 2016
Toner
CANON KK56 citations98
US9213250B2Dec 15, 2015
Toner
CANON KK55 citations98
US10698327B2Jun 30, 2020
Toner
CANON KK25 citations94
US10545420B2Jan 28, 2020
Magnetic toner and image-forming method
CANON KK37 citations94
US10310397B2Jun 4, 2019
Toner
CANON KK32 citations94
US10228627B2Mar 12, 2019
Toner
CANON KK30 citations94
US9964874B2May 8, 2018
Toner
CANON KK49 citations94
US9841692B2Dec 12, 2017
Toner
CANON KK38 citations94
US9804514B2Oct 31, 2017
Method for producing toner
CANON KK36 citations94
US9244371B2Jan 26, 2016
Magnetic toner
CANON KK35 citations94
US8918035B2Dec 23, 2014
Developing apparatus, developing method and magnetic toner for developing apparatus
CANON KK36 citations94
US7811734B2Oct 12, 2010
Hydrophobic inorganic fine particles and toner
CANON KK49 citations94
US9964881B2May 8, 2018
Toner
CANON KK27 citations93
US9417542B2Aug 16, 2016
Magnetic toner
CANON KK17 citations92
US9971264B2May 15, 2018
Magnetic toner
CANON KK17 citations86
US9971262B2May 15, 2018
Magnetic toner
CANON KK17 citations86
US10012923B2Jul 3, 2018
Toner
CANON KK18 citations85
US9946181B2Apr 17, 2018
Toner
CANON KK18 citations85
US9946179B2Apr 17, 2018
Toner
CANON KK18 citations85
US9927728B2Mar 27, 2018
Method for producing toner particle
CANON KK18 citations85
US9625841B2Apr 18, 2017
Toner having silica fine particles
CANON KK12 citations84
US9804519B2Oct 31, 2017
Method for producing toner
CANON KK18 citations83
US11360426B2Jun 14, 2022
Electrophotographic apparatus, process cartridge, and cartridge set
CANON KK3 citations73
US9335650B2May 10, 2016
Image forming apparatus and process cartridge utilizing a porous charging member
CANON KK3 citations73
US9291936B2Mar 22, 2016
Image-forming apparatus with electro-conductive resin layer having resin particles and process cartridge
CANON KK5 citations73
US11360405B2Jun 14, 2022
Electrophotographic apparatus, process cartridge and cartridge set
CANON KK5 citations72
US12443120B2Oct 14, 2025
Toner
CANON KK0 citations58
US11829104B2Nov 28, 2023
Toner
CANON KK0 citations52
US9372424B2Jun 21, 2016
Toner
CANON KK0 citations52
US12529972B2Jan 20, 2026
Toner
CANON KK0 citations50
US12405544B2Sep 2, 2025
Toner and method for producing toner
CANON KK0 citations50
US12339619B2Jun 24, 2025
Toner
CANON KK0 citations50