Inventor
UMEDA NORIYOSHI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “UMEDA NORIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
22 patentsUS9285697B2Mar 15, 2016
Toner
CANON KK60 citations98
US9261806B2Feb 16, 2016
Toner
CANON KK63 citations98
US7767370B2Aug 3, 2010
Two-component developer, replenishing developer, and image-forming method
CANON KK47 citations98
US7611813B2Nov 3, 2009
Toner and image forming method
CANON KK58 citations97
US10678155B2Jun 9, 2020
Toner comprising a surface layer of an organosilicon polymer protrusion
CANON KK20 citations94
US9785068B2Oct 10, 2017
Toner
CANON KK25 citations93
US7629100B2Dec 8, 2009
Toner
CANON KK36 citations93
US7906262B2Mar 15, 2011
Two-component developer, replenishing developer, and image-forming method
CANON KK32 citations92
US7135263B2Nov 14, 2006
Toner
CANON KK42 citations92
US11061342B2Jul 13, 2021
Electrophotographic apparatus, process cartridge and cartridge set
CANON KK9 citations85
US10976678B2Apr 13, 2021
Toner
CANON KK15 citations85
US10845721B2Nov 24, 2020
Toner
CANON KK16 citations85
US10747133B2Aug 18, 2020
Image-forming apparatus
CANON KK20 citations85
US10635011B2Apr 28, 2020
Toner
CANON KK17 citations85
US11112712B2Sep 7, 2021
Toner
CANON KK7 citations84
US11320756B2May 3, 2022
Electrophotographic apparatus, process cartridge, and cartridge set
CANON KK5 citations73
US7280785B2Oct 9, 2007
Image forming apparatus
CANON KK2 citations63
US7177581B2Feb 13, 2007
Image forming apparatus
CANON KK2 citations63
US11294296B2Apr 5, 2022
Toner
CANON KK1 citations61
US11448982B2Sep 20, 2022
Electrophotographic apparatus, process cartridge, and cartridge set
CANON KK0 citations52
US9541852B2Jan 10, 2017
Toner and two-component developer
CANON KK0 citations52
US11022933B2Jun 1, 2021
Process cartridge, image forming apparatus and cleaning apparatus
CANON KK0 citations50