Inventor · disambiguated record
Teruhiko Sasaki
Also filed as: SASAKI TERUHIKO
76 granted patents·15 pending applications·1,317 citations·filing 1986–2025
99Inventor score
Top patents by PatentIndex Score
91 records- 0199US5920753AProcess cartridge and electrophotographic image forming apparatusCANON KK·Filed 1997·Granted Jul 6, 1999·277 cites·23 claims
- 0298US11822265B2Toner container and image forming systemCANON KK·Filed 2023·Granted Nov 21, 2023·6 cites·31 claims
- 0398US11662673B2Toner container having nozzle and projection at bottom of container and image forming system using containerCANON KK·Filed 2022·Granted May 30, 2023·7 cites·20 claims
- 0498US11592766B2Toner container and image forming systemCANON KK·Filed 2022·Granted Feb 28, 2023·10 cites·30 claims
- 0598US11029640B1Process cartridgeCANON KK·Filed 2020·Granted Jun 8, 2021·4 cites·5 claims
- 0698US8688004B2Process cartridge, electrophotographic image forming apparatus and electrophotographic photosensitive drum unitCANON KK·Filed 2012·Granted Apr 1, 2014·22 cites·20 claims
- 0798US8369744B2Process cartridge including a photosensitive drum for an electrophotographic image forming apparatusCANON KK·Filed 2012·Granted Feb 5, 2013·42 cites·6 claims
- 0898US8270876B2Process cartridge and electrophotographic photosensitive drum unitMORIOKA MASANARI·Filed 2009·Granted Sep 18, 2012·67 cites·24 claims
- 0997US11906927B2Cartridge, drum unit and image forming apparatusCANON KK·Filed 2022·Granted Feb 20, 2024·3 cites·24 claims
- 1097US10156825B2Developing apparatus with independently rotatable members supporting a developing frame body, process cartridge, and image forming apparatusCANON KK·Filed 2017·Granted Dec 18, 2018·9 cites·30 claims
- 1197US6714749B2Cartridge detachably mountable on image forming apparatusCANON KK·Filed 2002·Granted Mar 30, 2004·85 cites·10 claims
- 1296US11841668B2Foreign substance collection apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2022·Granted Dec 12, 2023·2 cites·11 claims
- 1396US8121517B2Process cartridge, electrophotographic image forming apparatus and electrographic photosensitive drum unitASANUMA NAOYA·Filed 2009·Granted Feb 21, 2012·27 cites·27 claims
- 1496US7194220B2Process cartridge having cartridge electrical contact connected to a cartridge memory element and connectable to a main assembly electrical contact and image forming apparatus to which such cartridge is mountableCANON KK·Filed 2005·Granted Mar 20, 2007·31 cites·12 claims
- 1596US6336012B1Developing device, process cartridge and electric energy supply part to developing rollerCANON KK·Filed 2000·Granted Jan 1, 2002·80 cites·38 claims
- 1696US6178302B1Developer container seal, developer container, developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 1998·Granted Jan 23, 2001·82 cites·98 claims
- 1795US9285765B2Developer supply cartridge with shutter portion for opening and closing a supply openingCANON KK·Filed 2014·Granted Mar 15, 2016·10 cites·24 claims
- 1894US12140884B2Toner container and image forming systemCANON KK·Filed 2023·Granted Nov 12, 2024·1 cites·21 claims
- 1994US6901229B2Driving-force transmitting part, electrophotographic photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2001·Granted May 31, 2005·34 cites·29 claims
- 2093US12038716B2Cartridge, drum unit and image forming apparatusCANON KK·Filed 2022·Granted Jul 16, 2024·1 cites·27 claims
- 2193US12032330B2Cartridge, drum unit and image forming apparatusCANON KK·Filed 2022·Granted Jul 9, 2024·1 cites·18 claims
- 2293US9684276B2Cleaning apparatus, process cartridge and image forming apparatusCANON KK·Filed 2016·Granted Jun 20, 2017·5 cites·12 claims
- 2391US12169376B2Toner cartridge and image forming apparatusCANON KK·Filed 2023·Granted Dec 17, 2024·1 cites·37 claims
- 2491US10613469B2Developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2018·Granted Apr 7, 2020·2 cites·34 claims
- 2591US6141508ADeveloping apparatus and process cartridgeCANON KK·Filed 1999·Granted Oct 31, 2000·51 cites·25 claims
- 2690US2025315006A1Cartridge, drum unit and image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 2789USD462984SImage forming apparatusCANON KK·Filed 2001·Granted Sep 17, 2002·39 cites·1 claims
- 2889US6366746B1Developing device and electric energy supply part for applying developing bias voltageCANON KK·Filed 2000·Granted Apr 2, 2002·34 cites·18 claims
- 2989US6137973ACleaning apparatus and process cartridge having such cleaning apparatusCANON KK·Filed 1998·Granted Oct 24, 2000·46 cites·24 claims
- 3088US7062195B2Toner seal member, and process cartridgeCANON KK·Filed 2004·Granted Jun 13, 2006·34 cites·6 claims
- 3187US6327448B1Connecting member, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2000·Granted Dec 4, 2001·29 cites·26 claims
- 3286US11314193B2Foreign substance collection apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2020·Granted Apr 26, 2022·1 cites·22 claims
- 3386US8873992B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2012·Granted Oct 28, 2014·4 cites·14 claims
- 3485US12449759B2Cartridge, drum unit and image forming apparatusCANON KK·Filed 2024·Granted Oct 21, 2025·0 cites·20 claims
- 3585USD632731SProcess cartridgeCANON KK·Filed 2009·Granted Feb 15, 2011·31 cites·1 claims
- 3685US6385413B2Developing device to which developing voltage is applied from non-driving sideCANON KK·Filed 2001·Granted May 7, 2002·24 cites·6 claims
- 3785US2024411245A1Toner container and image forming systemCANON KK·Filed 2024·Application pending·0 cites
- 3885US2025013184A1Foreign substance collection apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3983US12474670B2Cartridge unitCANON KK·Filed 2024·Granted Nov 18, 2025·0 cites·9 claims
- 4083US12124205B2Foreign substance collection apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2023·Granted Oct 22, 2024·0 cites·15 claims
- 4183USD881986SProcess cartridge for image forming apparatusCANON KK·Filed 2018·Granted Apr 21, 2020·1 cites·1 claims
- 4283USD614691SProcess cartridgeCANON KK·Filed 2009·Granted Apr 27, 2010·29 cites·1 claims
- 4383US2025199464A1Process cartridgeCANON KK·Filed 2025·Application pending·0 cites
- 4482US12271146B2Process cartridgeCANON KK·Filed 2023·Granted Apr 8, 2025·0 cites·12 claims
- 4580US11698600B2Developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2022·Granted Jul 11, 2023·0 cites·7 claims
- 4680US2024319665A1Process unit including first and second resin materials and image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 4780US2025370402A1Image forming apparatus and cartridge setCANON KK·Filed 2025·Application pending·0 cites
- 4879US11740585B2Process cartridgeCANON KK·Filed 2022·Granted Aug 29, 2023·0 cites·5 claims
- 4978US12038717B2Process unit including first and second resin materials and image forming apparatusCANON KK·Filed 2022·Granted Jul 16, 2024·0 cites·38 claims
- 5078US6137971AEnd member and process cartridgeCANON KK·Filed 1999·Granted Oct 24, 2000·27 cites·23 claims
Showing the top 50 of 91 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →