Inventor
MATSUNAGA TOMONORI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “MATSUNAGA TOMONORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
27 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
US6836639B2Dec 28, 2004
Cleaning apparatus having a cleaning member, a cleaning frame, and a connecting portion connecting both end surfaces of the frame
CANON KK58 citations96
US10678155B2Jun 9, 2020
Toner comprising a surface layer of an organosilicon polymer protrusion
CANON KK20 citations94
US9885978B2Feb 6, 2018
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus
CANON KK30 citations94
US9665040B2May 30, 2017
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus
CANON KK31 citations94
US9310717B2Apr 12, 2016
Developer accommodating container, developing device, process cartridge and image forming apparatus
CANON KK31 citations94
US9063464B2Jun 23, 2015
Developer containing unit, process cartridge, and electrophotographic image forming apparatus
CANON KK37 citations94
US10175609B2Jan 8, 2019
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus
CANON KK13 citations92
US10942465B2Mar 9, 2021
Toner
CANON KK14 citations86
US10976678B2Apr 13, 2021
Toner
CANON KK15 citations85
US10747133B2Aug 18, 2020
Image-forming apparatus
CANON KK20 citations85
US11112712B2Sep 7, 2021
Toner
CANON KK7 citations84
US10620567B2Apr 14, 2020
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus
CANON KK4 citations84
US10564594B2Feb 18, 2020
Image forming apparatus
CANON KK7 citations84
US10095178B2Oct 9, 2018
Image forming apparatus
CANON KK7 citations84
US9304484B2Apr 5, 2016
Image forming apparatus with moving light exposure units
CANON KK13 citations84
US11846899B2Dec 19, 2023
Image forming apparatus
CANON KK2 citations73
US12416881B2Sep 16, 2025
Image forming apparatus
CANON KK0 citations62
US7664442B2Feb 16, 2010
Developing apparatus
CANON KK2 citations62
US11294296B2Apr 5, 2022
Toner
CANON KK1 citations61
US9772581B2Sep 26, 2017
Developer container configured to reduce dead space in the path of the developer
CANON KK0 citations52
US9091963B2Jul 28, 2015
Developing device, cartridge and electrophotographic image forming apparatus
CANON KK1 citations52
US8958726B2Feb 17, 2015
Developer accommodating container, process cartridge and electrophotographic image forming apparatus
CANON KK1 citations51
US11022933B2Jun 1, 2021
Process cartridge, image forming apparatus and cleaning apparatus
CANON KK0 citations50
TOKUYAMA CORP
5 patentsUS5475074ADec 12, 1995
Polymerizable composition, organic glass and ophthalmic lens
TOKUYAMA CORP42 citations91
US7923142B2Apr 12, 2011
Onium salt, electrolyte for nonaqueous cell containing the novel onium salt for nonaqueous cell and method for optimizing negative electrode using electrolyte containing onium salt
TOKUYAMA CORP2 citations58
US7846576B2Dec 7, 2010
Onium salt, electrolyte for non-aqueous cell containing the novel onium salt for nonaqueous cell, and method for optimizing negative electrode using elecrolyte containing onium salt
TOKUYAMA CORP0 citations48
US7964541B2Jun 21, 2011
Lubricant composition for polishing a magnetic head with fixed abrasive grains
TOKUYAMA CORP1 citations46
US5789598AAug 4, 1998
Process for production of alkoxycarbonylaminothiazoleacetic acid derivative
TOKUYAMA CORP0 citations31