Inventor · disambiguated record
Fumito Nonaka
Also filed as: NONAKA FUMITO
33 granted patents·2 pending applications·660 citations·filing 1997–2024
97Inventor score
Technology areasG03G
Files withCANON KK35
Top patents by PatentIndex Score
35 records- 0198US8879954B2Cartridge with member for fixing a member-to-be-energizedCANON KK·Filed 2012·Granted Nov 4, 2014·28 cites·10 claims
- 0298US6826380B2Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2002·Granted Nov 30, 2004·95 cites·29 claims
- 0397US9188940B2Developing device, process cartridge and drum unitCANON KK·Filed 2014·Granted Nov 17, 2015·20 cites·9 claims
- 0497US8909096B2Developing device, process cartridge and drum unitCANON KK·Filed 2012·Granted Dec 9, 2014·23 cites·28 claims
- 0597US7082276B2Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2004·Granted Jul 25, 2006·79 cites·29 claims
- 0696US9377716B2Unit and image forming apparatusCANON KK·Filed 2015·Granted Jun 28, 2016·17 cites·22 claims
- 0796US9128417B2Unit and image forming apparatusCANON KK·Filed 2013·Granted Sep 8, 2015·24 cites·30 claims
- 0896US7865115B2Process cartridge, electrophotographic image forming apparatus, method of manufacturing a process cartridge, and method of remanufacturing a process cartridgeCANON KK·Filed 2006·Granted Jan 4, 2011·29 cites·11 claims
- 0996US5937237ASeal member, toner container and process cartridgeCANON KK·Filed 1997·Granted Aug 10, 1999·90 cites·62 claims
- 1095US6101348ADeveloping unit, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 1998·Granted Aug 8, 2000·78 cites·39 claims
- 1194US9280135B2Process cartridge and image forming apparatusCANON KK·Filed 2013·Granted Mar 8, 2016·9 cites·18 claims
- 1293US6922534B2Process cartridge and electrophotographic image forming apparatus having electrical connection for memoryCANON KK·Filed 2002·Granted Jul 26, 2005·67 cites·23 claims
- 1391US9529306B2Cartridge and unit with injection molded seal memberCANON KK·Filed 2014·Granted Dec 27, 2016·4 cites·20 claims
- 1485US6356730B1Developing apparatus and cleaning apparatusCANON KK·Filed 2000·Granted Mar 12, 2002·24 cites·16 claims
- 1584US10185251B2Reproduction method for developing deviceCANON KK·Filed 2017·Granted Jan 22, 2019·2 cites·8 claims
- 1683US9002233B2Process cartridge unitCANON KK·Filed 2013·Granted Apr 7, 2015·3 cites·13 claims
- 1780US9146526B2Unit, cleaning unit, process cartridge, and image forming apparatusCANON KK·Filed 2013·Granted Sep 29, 2015·2 cites·28 claims
- 1875US10175599B2Rotating member, process cartridge, and image forming apparatusCANON KK·Filed 2017·Granted Jan 8, 2019·1 cites·13 claims
- 1975USD622309SProcess cartridgeCANON KK·Filed 2008·Granted Aug 24, 2010·19 cites·1 claims
- 2074US9348264B2Unit, cleaning unit, process cartridge, and image forming apparatusCANON KK·Filed 2015·Granted May 24, 2016·1 cites·19 claims
- 2174USD583860SToner cartridgeCANON KK·Filed 2007·Granted Dec 30, 2008·19 cites·1 claims
- 2273US9069291B2Cartridge and unit, for use with an image bearing member, having a seal member that seals a gap between a blade member and a frameCANON KK·Filed 2012·Granted Jun 30, 2015·1 cites·50 claims
- 2369USD622308SProcess cartridgeCANON KK·Filed 2008·Granted Aug 24, 2010·15 cites·1 claims
- 2466US10732565B2Cartridge and method for manufacturing cartridgeCANON KK·Filed 2018·Granted Aug 4, 2020·0 cites·10 claims
- 2563US9971282B2Cartridge having a seal member filling a gap between a frame and a blade memberCANON KK·Filed 2016·Granted May 15, 2018·0 cites·18 claims
- 2660US10642189B2Developer container unit, developing apparatus, and process cartridgeCANON KK·Filed 2019·Granted May 5, 2020·0 cites·22 claims
- 2759US10191406B2Rotatable member and electrophotographic image forming apparatus including the rotatable memberCANON KK·Filed 2018·Granted Jan 29, 2019·0 cites·20 claims
- 2858USD585482SToner cartridgeCANON KK·Filed 2007·Granted Jan 27, 2009·10 cites·1 claims
- 2957US12092970B2Image forming apparatusCANON KK·Filed 2022·Granted Sep 17, 2024·0 cites·6 claims
- 3057US2025110423A1Toner cartridge, developing cartridge, image forming apparatus and toner discharging memberCANON KK·Filed 2024·Application pending·0 cites
- 3156US10747143B2Developer accommodating unit, process cartridge, and image forming apparatusCANON KK·Filed 2019·Granted Aug 18, 2020·0 cites·21 claims
- 3256US10203654B2Cartridge and method for manufacturing cartridgeCANON KK·Filed 2015·Granted Feb 12, 2019·0 cites·12 claims
- 3356US2025123590A1Process unit and reception unitCANON KK·Filed 2024·Application pending·0 cites
- 3447US10571857B2Rotatable member, process cartridge and image forming apparatusCANON KK·Filed 2018·Granted Feb 25, 2020·0 cites·19 claims
- 3546US9996020B2Roller, rotating member unit, cartridge, and image forming apparatusCANON KK·Filed 2017·Granted Jun 12, 2018·0 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →