Inventor · disambiguated record
Tomonori Matsunaga
Also filed as: MATSUNAGA TOMONORI
33 granted patents·1 pending application·521 citations·filing 1994–2025
97Inventor score
Top patents by PatentIndex Score
34 records- 0199US9885978B2Developer accommodating unit, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2017·Granted Feb 6, 2018·30 cites·19 claims
- 0299US9665040B2Developer accommodating unit, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted May 30, 2017·31 cites·41 claims
- 0398US10545422B2TonerCANON KK·Filed 2019·Granted Jan 28, 2020·39 cites·11 claims
- 0498US10503090B2TonerCANON KK·Filed 2018·Granted Dec 10, 2019·41 cites·5 claims
- 0598US10429757B2TonerCANON KK·Filed 2018·Granted Oct 1, 2019·41 cites·3 claims
- 0698US10303074B2TonerCANON KK·Filed 2018·Granted May 28, 2019·41 cites·11 claims
- 0798US9310717B2Developer accommodating container, developing device, process cartridge and image forming apparatusCANON KK·Filed 2013·Granted Apr 12, 2016·31 cites·17 claims
- 0898US9063464B2Developer containing unit, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Jun 23, 2015·37 cites·22 claims
- 0997US11112712B2TonerCANON KK·Filed 2020·Granted Sep 7, 2021·7 cites·5 claims
- 1097US10747133B2Image-forming apparatusCANON KK·Filed 2019·Granted Aug 18, 2020·20 cites·8 claims
- 1197US10678155B2Toner comprising a surface layer of an organosilicon polymer protrusionCANON KK·Filed 2019·Granted Jun 9, 2020·20 cites·9 claims
- 1297US10175609B2Developer accommodating unit, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2017·Granted Jan 8, 2019·13 cites·20 claims
- 1396US10976678B2TonerCANON KK·Filed 2019·Granted Apr 13, 2021·15 cites·6 claims
- 1496US10942465B2TonerCANON KK·Filed 2019·Granted Mar 9, 2021·14 cites·7 claims
- 1596US9304484B2Image forming apparatus with moving light exposure unitsCANON KK·Filed 2015·Granted Apr 5, 2016·13 cites·20 claims
- 1695US10564594B2Image forming apparatusCANON KK·Filed 2018·Granted Feb 18, 2020·7 cites·20 claims
- 1795US10095178B2Image forming apparatusCANON KK·Filed 2016·Granted Oct 9, 2018·7 cites·7 claims
- 1895US6836639B2Cleaning apparatus having a cleaning member, a cleaning frame, and a connecting portion connecting both end surfaces of the frameCANON KK·Filed 2002·Granted Dec 28, 2004·58 cites·8 claims
- 1994US11846899B2Image forming apparatusCANON KK·Filed 2021·Granted Dec 19, 2023·2 cites·29 claims
- 2094US10620567B2Developer accommodating unit, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2018·Granted Apr 14, 2020·4 cites·11 claims
- 2191US2025362629A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 2280US12416881B2Image forming apparatusCANON KK·Filed 2023·Granted Sep 16, 2025·0 cites·25 claims
- 2379US11294296B2TonerCANON KK·Filed 2020·Granted Apr 5, 2022·1 cites·7 claims
- 2475US5475074APolymerizable composition, organic glass and ophthalmic lensTOKUYAMA CORP·Filed 1994·Granted Dec 12, 1995·42 cites·22 claims
- 2573US7923142B2Onium salt, electrolyte for nonaqueous cell containing the novel onium salt for nonaqueous cell and method for optimizing negative electrode using electrolyte containing onium saltTOKUYAMA CORP·Filed 2007·Granted Apr 12, 2011·2 cites·4 claims
- 2671US8958726B2Developer accommodating container, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Feb 17, 2015·1 cites·16 claims
- 2768US9091963B2Developing device, cartridge and electrophotographic image forming apparatusCANON KK·Filed 2012·Granted Jul 28, 2015·1 cites·34 claims
- 2863US7964541B2Lubricant composition for polishing a magnetic head with fixed abrasive grainsTOKUYAMA CORP·Filed 2006·Granted Jun 21, 2011·1 cites·3 claims
- 2962US7664442B2Developing apparatusCANON KK·Filed 2007·Granted Feb 16, 2010·2 cites·11 claims
- 3052US9772581B2Developer container configured to reduce dead space in the path of the developerCANON KK·Filed 2016·Granted Sep 26, 2017·0 cites·14 claims
- 3146US8565632B2Image forming apparatus for controlling a temperature of a fixing device thereinKATO MASAHITO·Filed 2011·Granted Oct 22, 2013·0 cites·16 claims
- 3243US7846576B2Onium salt, electrolyte for non-aqueous cell containing the novel onium salt for nonaqueous cell, and method for optimizing negative electrode using elecrolyte containing onium saltTOKUYAMA CORP·Filed 2002·Granted Dec 7, 2010·0 cites·2 claims
- 3342US11022933B2Process cartridge, image forming apparatus and cleaning apparatusCANON KK·Filed 2020·Granted Jun 1, 2021·0 cites·39 claims
- 3421US5789598AProcess for production of alkoxycarbonylaminothiazoleacetic acid derivativeTOKUYAMA CORP·Filed 1996·Granted Aug 4, 1998·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →